-
Notifications
You must be signed in to change notification settings - Fork 226
/
bb.sh
executable file
·1205 lines (1072 loc) · 46.6 KB
/
bb.sh
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
#!/usr/bin/env bash
# BashBlog, a simple blog system written in a single bash script
# (C) Carlos Fenollosa <carlos.fenollosa@gmail.com>, 2011-2016 and contributors
# https://github.com/carlesfe/bashblog/contributors
# Check out README.md for more details
# Global variables
# It is recommended to perform a 'rebuild' after changing any of this in the code
# Config file. Any settings "key=value" written there will override the
# global_variables defaults. Useful to avoid editing bb.sh and having to deal
# with merges in VCS
global_config=".config"
# This function will load all the variables defined here. They might be overridden
# by the 'global_config' file contents
global_variables() {
global_software_name="BashBlog"
global_software_version="2.10"
# Blog title
global_title="My fancy blog"
# The typical subtitle for each blog
global_description="A blog about turtles and carrots"
# The public base URL for this blog
global_url="http://example.com/blog"
# Your name
global_author="John Smith"
# You can use twitter or facebook or anything for global_author_url
global_author_url="http://twitter.com/example"
# Your email
global_email="john@smith.com"
# CC by-nc-nd is a good starting point, you can change this to "©" for Copyright
global_license="CC by-nc-nd"
# If you have a Google Analytics ID (UA-XXXXX) and wish to use the standard
# embedding code, put it on global_analytics
# If you have custom analytics code (i.e. non-google) or want to use the Universal
# code, leave global_analytics empty and specify a global_analytics_file
global_analytics=""
global_analytics_file=""
# Leave this empty (i.e. "") if you don't want to use feedburner,
# or change it to your own URL
global_feedburner=""
# Change this to your username if you want to use twitter for comments
global_twitter_username=""
# Default image for the Twitter cards. Use an absolute URL
global_twitter_card_image=""
# Set this to false for a Twitter button with share count. The cookieless version
# is just a link.
global_twitter_cookieless="true"
# Default search page, where tweets more than a week old are hidden
global_twitter_search="twitter"
# Change this to your disqus username to use disqus for comments
global_disqus_username=""
# Blog generated files
# index page of blog (it is usually good to use "index.html" here)
index_file="index.html"
number_of_index_articles="8"
# global archive
archive_index="all_posts.html"
tags_index="all_tags.html"
# Non blogpost files. Bashblog will ignore these. Useful for static pages and custom content
# Add them as a bash array, e.g. non_blogpost_files=("news.html" "test.html")
non_blogpost_files=()
# feed file (rss in this case)
blog_feed="feed.rss"
number_of_feed_articles="10"
# "cut" blog entry when putting it to index page. Leave blank for full articles in front page
# i.e. include only up to first '<hr>', or '----' in markdown
cut_do="cut"
# When cutting, cut also tags? If "no", tags will appear in index page for cut articles
cut_tags="yes"
# Regexp matching the HTML line where to do the cut
# note that slash is regexp separator so you need to prepend it with backslash
cut_line='<hr ?\/?>'
# save markdown file when posting with "bb post -m". Leave blank to discard it.
save_markdown="yes"
# prefix for tags/categories files
# please make sure that no other html file starts with this prefix
prefix_tags="tag_"
# personalized header and footer (only if you know what you're doing)
# DO NOT name them .header.html, .footer.html or they will be overwritten
# leave blank to generate them, recommended
header_file=""
footer_file=""
# extra content to add just after we open the <body> tag
# and before the actual blog content
body_begin_file=""
# extra content to add just before we close </body>
body_end_file=""
# extra content to ONLY on the index page AFTER `body_begin_file` contents
# and before the actual content
body_begin_file_index=""
# CSS files to include on every page, f.ex. css_include=('main.css' 'blog.css')
# leave empty to use generated
css_include=()
# HTML files to exclude from index, f.ex. post_exclude=('imprint.html 'aboutme.html')
html_exclude=()
# Localization and i18n
# "Comments?" (used in twitter link after every post)
template_comments="Comments?"
# "Read more..." (link under cut article on index page)
template_read_more="Read more..."
# "View more posts" (used on bottom of index page as link to archive)
template_archive="View more posts"
# "All posts" (title of archive page)
template_archive_title="All posts"
# "All tags"
template_tags_title="All tags"
# "posts" (on "All tags" page, text at the end of each tag line, like "2. Music - 15 posts")
template_tags_posts="posts"
template_tags_posts_2_4="posts" # Some slavic languages use a different plural form for 2-4 items
template_tags_posts_singular="post"
# "Posts tagged" (text on a title of a page with index of one tag, like "My Blog - Posts tagged "Music"")
template_tag_title="Posts tagged"
# "Tags:" (beginning of line in HTML file with list of all tags for this article)
template_tags_line_header="Tags:"
# "Back to the index page" (used on archive page, it is link to blog index)
template_archive_index_page="Back to the index page"
# "Subscribe" (used on bottom of index page, it is link to RSS feed)
template_subscribe="Subscribe"
# "Subscribe to this page..." (used as text for browser feed button that is embedded to html)
template_subscribe_browser_button="Subscribe to this page..."
# "Tweet" (used as twitter text button for posting to twitter)
template_twitter_button="Tweet"
template_twitter_comment="<Type your comment here but please leave the URL so that other people can follow the comments>"
# The locale to use for the dates displayed on screen
date_format="%B %d, %Y"
date_locale="C"
date_inpost="bashblog_timestamp"
# Don't change these dates
date_format_full="%a, %d %b %Y %H:%M:%S %z"
date_format_timestamp="%Y%m%d%H%M.%S"
date_allposts_header="%B %Y"
# Perform the post title -> filename conversion
# Experts only. You may need to tune the locales too
# Leave empty for no conversion, which is not recommended
# This default filter respects backwards compatibility
convert_filename="iconv -f utf-8 -t ascii//translit | sed 's/^-*//' | tr [:upper:] [:lower:] | tr ' ' '-' | tr -dc '[:alnum:]-'"
# URL where you can view the post while it's being edited
# same as global_url by default
# You can change it to path on your computer, if you write posts locally
# before copying them to the server
preview_url=""
# Markdown location. Trying to autodetect by default.
# The invocation must support the signature 'markdown_bin in.md > out.html'
[[ -f Markdown.pl ]] && markdown_bin=./Markdown.pl || markdown_bin=$(which Markdown.pl 2>/dev/null || which markdown 2>/dev/null)
}
# Check for the validity of some variables
# DO NOT EDIT THIS FUNCTION unless you know what you're doing
global_variables_check() {
[[ $header_file == .header.html ]] &&
echo "Please check your configuration. '.header.html' is not a valid value for the setting 'header_file'" &&
exit
[[ $footer_file == .footer.html ]] &&
echo "Please check your configuration. '.footer.html' is not a valid value for the setting 'footer_file'" &&
exit
}
# Test if the markdown script is working correctly
test_markdown() {
[[ -n $markdown_bin ]] &&
(
[[ $("$markdown_bin" <<< $'line 1\n\nline 2') == $'<p>line 1</p>\n\n<p>line 2</p>' ]] ||
[[ $("$markdown_bin" <<< $'line 1\n\nline 2') == $'<p>line 1</p>\n<p>line 2</p>' ]]
)
}
# Parse a Markdown file into HTML and return the generated file
markdown() {
out=${1%.md}.html
while [[ -f $out ]]; do out=${out%.html}.$RANDOM.html; done
$markdown_bin "$1" > "$out"
echo "$out"
}
# Prints the required google analytics code
google_analytics() {
[[ -z $global_analytics && -z $global_analytics_file ]] && return
if [[ -z $global_analytics_file ]]; then
echo "<script type=\"text/javascript\">
var _gaq = _gaq || [];
_gaq.push(['_setAccount', '${global_analytics}']);
_gaq.push(['_trackPageview']);
(function() {
var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
})();
</script>"
else
cat "$global_analytics_file"
fi
}
# Prints the required code for disqus comments
disqus_body() {
[[ -z $global_disqus_username ]] && return
echo '<div id="disqus_thread"></div>
<script type="text/javascript">
/* * * CONFIGURATION VARIABLES: EDIT BEFORE PASTING INTO YOUR WEBPAGE * * */
var disqus_shortname = '"'$global_disqus_username'"'; // required: replace example with your forum shortname
/* * * DONT EDIT BELOW THIS LINE * * */
(function() {
var dsq = document.createElement("script"); dsq.type = "text/javascript"; dsq.async = true;
dsq.src = "//" + disqus_shortname + ".disqus.com/embed.js";
(document.getElementsByTagName("head")[0] || document.getElementsByTagName("body")[0]).appendChild(dsq);
})();
</script>
<noscript>Please enable JavaScript to view the <a href="http://disqus.com/?ref_noscript">comments powered by Disqus.</a></noscript>
<a href="http://disqus.com" class="dsq-brlink">comments powered by <span class="logo-disqus">Disqus</span></a>'
}
# Prints the required code for disqus in the footer
disqus_footer() {
[[ -z $global_disqus_username ]] && return
echo '<script type="text/javascript">
/* * * CONFIGURATION VARIABLES: EDIT BEFORE PASTING INTO YOUR WEBPAGE * * */
var disqus_shortname = '"'$global_disqus_username'"'; // required: replace example with your forum shortname
/* * * DONT EDIT BELOW THIS LINE * * */
(function () {
var s = document.createElement("script"); s.async = true;
s.type = "text/javascript";
s.src = "//" + disqus_shortname + ".disqus.com/count.js";
(document.getElementsByTagName("HEAD")[0] || document.getElementsByTagName("BODY")[0]).appendChild(s);
}());
</script>'
}
# Reads HTML file from stdin, prints its content to stdout
# $1 where to start ("text" or "entry")
# $2 where to stop ("text" or "entry")
# $3 "cut" to remove text from <hr /> to <!-- text end -->
# note that this does not remove <hr /> line itself,
# so you can see if text was cut or not
get_html_file_content() {
awk "/<!-- $1 begin -->/, /<!-- $2 end -->/{
if (!/<!-- $1 begin -->/ && !/<!-- $2 end -->/) print
if (\"$3\" == \"cut\" && /$cut_line/){
if (\"$2\" == \"text\") exit # no need to read further
while (getline > 0 && !/<!-- text end -->/) {
if (\"$cut_tags\" == \"no\" && /^<p>$template_tags_line_header/ ) print
}
}
}"
}
# Edit an existing, published .html file while keeping its original timestamp
# Please note that this function does not automatically republish anything, as
# it is usually called from 'main'.
#
# Note that it edits HTML file, even if you wrote the post as markdown originally
# Note that if you edit title then filename might also change
#
# $1 the file to edit
# $2 (optional) edit mode:
# "keep" to keep old filename
# "full" to edit full HTML, and not only text part (keeps old filename)
# leave empty for default behavior (edit only text part and change name)
edit() {
[[ ! -f "${1%%.*}.html" ]] && echo "Can't edit post "${1%%.*}.html", did you mean to use \"bb.sh post <draft_file>\"?" && exit -1
# Original post timestamp
edit_timestamp=$(LC_ALL=C date -r "${1%%.*}.html" +"$date_format_full" )
touch_timestamp=$(LC_ALL=C date -r "${1%%.*}.html" +"$date_format_timestamp")
tags_before=$(tags_in_post "${1%%.*}.html")
if [[ $2 == full ]]; then
$EDITOR "$1"
filename=$1
else
if [[ ${1##*.} == md ]]; then
test_markdown
if (($? != 0)); then
echo "Markdown is not working, please edit HTML file directly."
exit
fi
# editing markdown file
$EDITOR "$1"
TMPFILE=$(markdown "$1")
filename=${1%%.*}.html
else
# Create the content file
TMPFILE=$(basename "$1").$RANDOM.html
# Title
get_post_title "$1" > "$TMPFILE"
# Post text with plaintext tags
get_html_file_content 'text' 'text' <"$1" | sed "/^<p>$template_tags_line_header/s|<a href='$prefix_tags\([^']*\).html'>\\1</a>|\\1|g" >> "$TMPFILE"
$EDITOR "$TMPFILE"
filename=$1
fi
rm "$filename"
if [[ $2 == keep ]]; then
parse_file "$TMPFILE" "$edit_timestamp" "$filename"
else
parse_file "$TMPFILE" "$edit_timestamp" # this command sets $filename as the html processed file
[[ ${1##*.} == md ]] && mv "$1" "${filename%%.*}.md" 2>/dev/null
fi
rm "$TMPFILE"
fi
touch -t "$touch_timestamp" "$filename"
touch -t "$touch_timestamp" "$1"
chmod 644 "$filename"
echo "Posted $filename"
tags_after=$(tags_in_post "$filename")
relevant_tags=$(echo "$tags_before $tags_after" | tr ',' ' ' | tr ' ' '\n' | sort -u | tr '\n' ' ')
if [[ ! -z $relevant_tags ]]; then
relevant_posts="$(posts_with_tags $relevant_tags) $filename"
rebuild_tags "$relevant_posts" "$relevant_tags"
fi
}
# Create a Twitter summary (twitter "card") for the post
#
# $1 the post file
# $2 the title
twitter_card() {
[[ -z $global_twitter_username ]] && return
echo "<meta name='twitter:card' content='summary' />"
echo "<meta name='twitter:site' content='@$global_twitter_username' />"
echo "<meta name='twitter:title' content='$2' />" # Twitter truncates at 70 char
description=$(grep -v "^<p>$template_tags_line_header" "$1" | sed -e 's/<[^>]*>//g' | tr '\n' ' ' | sed "s/\"/'/g" | head -c 250)
echo "<meta name='twitter:description' content=\"$description\" />"
# For the image we try to locate the first image in the article
image=$(sed -n '2,$ d; s/.*<img.*src="\([^"]*\)".*/\1/p' "$1")
# If none, then we try a global setting image
[[ -z $image ]] && [[ -n $global_twitter_card_image ]] && image=$global_twitter_card_image
# If none, return
[[ -z $image ]] && return
# Final housekeeping
[[ $image =~ ^https?:// ]] || image=$global_url/$image # Check that URL is absolute
echo "<meta name='twitter:image' content='$image' />"
}
# Adds the code needed by the twitter button
#
# $1 the post URL
twitter() {
[[ -z $global_twitter_username ]] && return
if [[ -z $global_disqus_username ]]; then
if [[ $global_twitter_cookieless == true ]]; then
id=$RANDOM
search_engine="https://twitter.com/search?q="
echo "<p id='twitter'><a href='http://twitter.com/intent/tweet?url=$1&text=$template_twitter_comment&via=$global_twitter_username'>$template_comments $template_twitter_button</a> "
echo "<a href='$search_engine""$1'><span id='count-$id'></span></a> </p>"
return;
else
echo "<p id='twitter'>$template_comments ";
fi
else
echo "<p id='twitter'><a href=\"$1#disqus_thread\">$template_comments</a> "
fi
echo "<a href=\"https://twitter.com/share\" class=\"twitter-share-button\" data-text=\"$template_twitter_comment\" data-url=\"$1\""
echo " data-via=\"$global_twitter_username\""
echo ">$template_twitter_button</a> <script>!function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0];if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src=\"//platform.twitter.com/widgets.js\";fjs.parentNode.insertBefore(js,fjs);}}(document,\"script\",\"twitter-wjs\");</script>"
echo "</p>"
}
# Check if the file is a 'boilerplate' (i.e. not a post)
# The return values are designed to be used like this inside a loop:
# is_boilerplate_file <file> && continue
#
# $1 the file
#
# Return 0 (bash return value 'true') if the input file is an index, feed, etc
# or 1 (bash return value 'false') if it is a blogpost
is_boilerplate_file() {
name=${1#./}
# First check against user-defined non-blogpost pages
for item in "${non_blogpost_files[@]}"; do
[[ "$name" == "$item" ]] && return 0
done
case $name in
( "$index_file" | "$archive_index" | "$tags_index" | "$footer_file" | "$header_file" | "$global_analytics_file" | "$prefix_tags"* )
return 0 ;;
( * ) # Check for excluded
for excl in "${html_exclude[@]}"; do
[[ $name == "$excl" ]] && return 0
done
return 1 ;;
esac
}
# Adds all the bells and whistles to format the html page
# Every blog post is marked with a <!-- entry begin --> and <!-- entry end -->
# which is parsed afterwards in the other functions. There is also a marker
# <!-- text begin --> to determine just the beginning of the text body of the post
#
# $1 a file with the body of the content
# $2 the output file
# $3 "yes" if we want to generate the index.html,
# "no" to insert new blog posts
# $4 title for the html header
# $5 original blog timestamp
# $6 post author
create_html_page() {
content=$1
filename=$2
index=$3
title=$4
timestamp=$5
author=$6
# Create the actual blog post
# html, head
{
cat ".header.html"
echo "<title>$title</title>"
google_analytics
twitter_card "$content" "$title"
echo "</head><body>"
# stuff to add before the actual body content
[[ -n $body_begin_file ]] && cat "$body_begin_file"
[[ $filename = $index_file* ]] && [[ -n $body_begin_file_index ]] && cat "$body_begin_file_index"
# body divs
echo '<div id="divbodyholder">'
echo '<div class="headerholder"><div class="header">'
# blog title
echo '<div id="title">'
cat .title.html
echo '</div></div></div>' # title, header, headerholder
echo '<div id="divbody"><div class="content">'
file_url=${filename#./}
file_url=${file_url%.rebuilt} # Get the correct URL when rebuilding
# one blog entry
if [[ $index == no ]]; then
echo '<!-- entry begin -->' # marks the beginning of the whole post
echo "<h3><a class=\"ablack\" href=\"$file_url\">"
# remove possible <p>'s on the title because of markdown conversion
title=${title//<p>/}
title=${title//<\/p>/}
echo "$title"
echo '</a></h3>'
if [[ -z $timestamp ]]; then
echo "<!-- $date_inpost: #$(LC_ALL=$date_locale date +"$date_format_timestamp")# -->"
else
echo "<!-- $date_inpost: #$(LC_ALL=$date_locale date +"$date_format_timestamp" --date="$timestamp")# -->"
fi
if [[ -z $timestamp ]]; then
echo -n "<div class=\"subtitle\">$(LC_ALL=$date_locale date +"$date_format")"
else
echo -n "<div class=\"subtitle\">$(LC_ALL=$date_locale date +"$date_format" --date="$timestamp")"
fi
[[ -n $author ]] && echo -e " — \n$author"
echo "</div>"
echo '<!-- text begin -->' # This marks the text body, after the title, date...
fi
cat "$content" # Actual content
if [[ $index == no ]]; then
echo -e '\n<!-- text end -->'
twitter "$global_url/$file_url"
echo '<!-- entry end -->' # absolute end of the post
fi
echo '</div>' # content
# Add disqus commments except for index and all_posts pages
[[ $index == no ]] && disqus_body
# page footer
cat .footer.html
# close divs
echo '</div></div>' # divbody and divbodyholder
disqus_footer
[[ -n $body_end_file ]] && cat "$body_end_file"
echo '</body></html>'
} > "$filename"
}
# Parse the plain text file into an html file
#
# $1 source file name
# $2 (optional) timestamp for the file
# $3 (optional) destination file name
# note that although timestamp is optional, something must be provided at its
# place if destination file name is provided, i.e:
# parse_file source.txt "" destination.html
parse_file() {
# Read for the title and check that the filename is ok
title=""
while IFS='' read -r line; do
if [[ -z $title ]]; then
# remove extra <p> and </p> added by markdown
title=$(echo "$line" | sed 's/<\/*p>//g')
if [[ -n $3 ]]; then
filename=$3
else
filename=$title
[[ -n $convert_filename ]] &&
filename=$(echo "$title" | eval "$convert_filename")
[[ -n $filename ]] ||
filename=$RANDOM # don't allow empty filenames
filename=$filename.html
# Check for duplicate file names
while [[ -f $filename ]]; do
filename=${filename%.html}$RANDOM.html
done
fi
content=$filename.tmp
# Parse possible tags
elif [[ $line == "<p>$template_tags_line_header"* ]]; then
tags=$(echo "$line" | cut -d ":" -f 2- | sed -e 's/<\/p>//g' -e 's/^ *//' -e 's/ *$//' -e 's/, /,/g')
IFS=, read -r -a array <<< "$tags"
echo -n "<p>$template_tags_line_header " >> "$content"
for item in "${array[@]}"; do
echo -n "<a href='$prefix_tags$item.html'>$item</a>, "
done | sed 's/, $/<\/p>/g' >> "$content"
else
echo "$line" >> "$content"
fi
done < "$1"
# Create the actual html page
create_html_page "$content" "$filename" no "$title" "$2" "$global_author"
rm "$content"
}
# Manages the creation of the text file and the parsing to html file
# also the drafts
write_entry() {
test_markdown && fmt=md || fmt=html
f=$2
[[ $2 == -html ]] && fmt=html && f=$3
if [[ -n $f ]]; then
TMPFILE=$f
if [[ ! -f $TMPFILE ]]; then
echo "The file doesn't exist"
delete_includes
exit
fi
# guess format from TMPFILE
extension=${TMPFILE##*.}
[[ $extension == md || $extension == html ]] && fmt=$extension
# but let user override it (`bb.sh post -html file.md`)
[[ $2 == -html ]] && fmt=html
# Test if Markdown is working before re-posting a .md file
if [[ $extension == md ]]; then
test_markdown
if (($? != 0)); then
echo "Markdown is not working, please edit HTML file directly."
exit
fi
fi
else
TMPFILE=.entry-$RANDOM.$fmt
echo -e "Title on this line\n" >> "$TMPFILE"
[[ $fmt == html ]] && cat << EOF >> "$TMPFILE"
<p>The rest of the text file is an <b>html</b> blog post. The process will continue as soon
as you exit your editor.</p>
<p>$template_tags_line_header keep-this-tag-format, tags-are-optional, example</p>
EOF
[[ $fmt == md ]] && cat << EOF >> "$TMPFILE"
The rest of the text file is a **Markdown** blog post. The process will continue
as soon as you exit your editor.
$template_tags_line_header keep-this-tag-format, tags-are-optional, beware-with-underscores-in-markdown, example
EOF
fi
chmod 600 "$TMPFILE"
post_status="E"
filename=""
while [[ $post_status != "p" && $post_status != "P" ]]; do
[[ -n $filename ]] && rm "$filename" # Delete the generated html file, if any
$EDITOR "$TMPFILE"
if [[ $fmt == md ]]; then
html_from_md=$(markdown "$TMPFILE")
parse_file "$html_from_md"
rm "$html_from_md"
else
parse_file "$TMPFILE" # this command sets $filename as the html processed file
fi
chmod 644 "$filename"
[[ -n $preview_url ]] || preview_url=$global_url
echo "To preview the entry, open $preview_url/$filename in your browser"
echo -n "[P]ost this entry, [E]dit again, [D]raft for later? (p/E/d) "
read -r post_status
if [[ $post_status == d || $post_status == D ]]; then
mkdir -p "drafts/"
chmod 700 "drafts/"
title=$(head -n 1 $TMPFILE)
[[ -n $convert_filename ]] && title=$(echo "$title" | eval "$convert_filename")
[[ -n $title ]] || title=$RANDOM
draft=drafts/$title.$fmt
mv "$TMPFILE" "$draft"
chmod 600 "$draft"
rm "$filename"
delete_includes
echo "Saved your draft as '$draft'"
exit
fi
done
if [[ $fmt == md && -n $save_markdown ]]; then
mv "$TMPFILE" "${filename%%.*}.md"
else
rm "$TMPFILE"
fi
chmod 644 "$filename"
echo "Posted $filename"
relevant_tags=$(tags_in_post $filename)
if [[ -n $relevant_tags ]]; then
relevant_posts="$(posts_with_tags $relevant_tags) $filename"
rebuild_tags "$relevant_posts" "$relevant_tags"
fi
}
# Create an index page with all the posts
all_posts() {
echo -n "Creating an index page with all the posts "
contentfile=$archive_index.$RANDOM
while [[ -f $contentfile ]]; do
contentfile=$archive_index.$RANDOM
done
{
echo "<h3>$template_archive_title</h3>"
prev_month=""
while IFS='' read -r i; do
is_boilerplate_file "$i" && continue
echo -n "." 1>&3
# Month headers
month=$(LC_ALL=$date_locale date -r "$i" +"$date_allposts_header")
if [[ $month != "$prev_month" ]]; then
[[ -n $prev_month ]] && echo "</ul>" # Don't close ul before first header
echo "<h4 class='allposts_header'>$month</h4>"
echo "<ul>"
prev_month=$month
fi
# Title
title=$(get_post_title "$i")
echo -n "<li><a href=\"$i\">$title</a> —"
# Date
date=$(LC_ALL=$date_locale date -r "$i" +"$date_format")
echo " $date</li>"
done < <(ls -t ./*.html)
echo "" 1>&3
echo "</ul>"
echo "<div id=\"all_posts\"><a href=\"./$index_file\">$template_archive_index_page</a></div>"
} 3>&1 >"$contentfile"
create_html_page "$contentfile" "$archive_index.tmp" yes "$global_title — $template_archive_title" "$global_author"
mv "$archive_index.tmp" "$archive_index"
chmod 644 "$archive_index"
rm "$contentfile"
}
# Create an index page with all the tags
all_tags() {
echo -n "Creating an index page with all the tags "
contentfile=$tags_index.$RANDOM
while [[ -f $contentfile ]]; do
contentfile=$tags_index.$RANDOM
done
{
echo "<h3>$template_tags_title</h3>"
echo "<ul>"
for i in $prefix_tags*.html; do
[[ -f "$i" ]] || break
echo -n "." 1>&3
nposts=$(grep -c "<\!-- text begin -->" "$i")
tagname=${i#"$prefix_tags"}
tagname=${tagname%.html}
case $nposts in
1) word=$template_tags_posts_singular;;
2|3|4) word=$template_tags_posts_2_4;;
*) word=$template_tags_posts;;
esac
echo "<li><a href=\"$i\">$tagname</a> — $nposts $word</li>"
done
echo "" 1>&3
echo "</ul>"
echo "<div id=\"all_posts\"><a href=\"./$index_file\">$template_archive_index_page</a></div>"
} 3>&1 > "$contentfile"
create_html_page "$contentfile" "$tags_index.tmp" yes "$global_title — $template_tags_title" "$global_author"
mv "$tags_index.tmp" "$tags_index"
chmod 644 "$tags_index"
rm "$contentfile"
}
# Generate the index.html with the content of the latest posts
rebuild_index() {
echo -n "Rebuilding the index "
newindexfile=$index_file.$RANDOM
contentfile=$newindexfile.content
while [[ -f $newindexfile ]]; do
newindexfile=$index_file.$RANDOM
contentfile=$newindexfile.content
done
# Create the content file
{
n=0
while IFS='' read -r i; do
is_boilerplate_file "$i" && continue;
if ((n >= number_of_index_articles)); then break; fi
if [[ -n $cut_do ]]; then
get_html_file_content 'entry' 'entry' 'cut' <"$i" | awk "/$cut_line/ { print \"<p class=\\\"readmore\\\"><a href=\\\"$i\\\">$template_read_more</a></p>\" ; next } 1"
else
get_html_file_content 'entry' 'entry' <"$i"
fi
echo -n "." 1>&3
n=$(( n + 1 ))
done < <(ls -t ./*.html) # sort by date, newest first
feed=$blog_feed
if [[ -n $global_feedburner ]]; then feed=$global_feedburner; fi
echo "<div id=\"all_posts\"><a href=\"$archive_index\">$template_archive</a> — <a href=\"$tags_index\">$template_tags_title</a> — <a href=\"$feed\">$template_subscribe</a></div>"
} 3>&1 >"$contentfile"
echo ""
create_html_page "$contentfile" "$newindexfile" yes "$global_title" "$global_author"
rm "$contentfile"
mv "$newindexfile" "$index_file"
chmod 644 "$index_file"
}
# Finds all tags referenced in one post.
# Accepts either filename as first argument, or post content at stdin
# Prints one line with space-separated tags to stdout
tags_in_post() {
sed -n "/^<p>$template_tags_line_header/{s/^<p>$template_tags_line_header//;s/<[^>]*>//g;s/[ ,]\+/ /g;p;}" "$1" | tr ', ' ' '
}
# Finds all posts referenced in a number of tags.
# Arguments are tags
# Prints one line with space-separated tags to stdout
posts_with_tags() {
(($# < 1)) && return
set -- "${@/#/$prefix_tags}"
set -- "${@/%/.html}"
sed -n '/^<h3><a class="ablack" href="[^"]*">/{s/.*href="\([^"]*\)">.*/\1/;p;}' "$@" 2> /dev/null
}
# Rebuilds tag_*.html files
# if no arguments given, rebuilds all of them
# if arguments given, they should have this format:
# "FILE1 [FILE2 [...]]" "TAG1 [TAG2 [...]]"
# where FILEn are files with posts which should be used for rebuilding tags,
# and TAGn are names of tags which should be rebuilt.
# example:
# rebuild_tags "one_post.html another_article.html" "example-tag another-tag"
# mind the quotes!
rebuild_tags() {
if (($# < 2)); then
# will process all files and tags
files=$(ls -t ./*.html)
all_tags=yes
else
# will process only given files and tags
files=$(printf '%s\n' $1 | sort -u)
files=$(ls -t $files)
tags=$2
fi
echo -n "Rebuilding tag pages "
n=0
if [[ -n $all_tags ]]; then
rm ./"$prefix_tags"*.html &> /dev/null
else
for i in $tags; do
rm "./$prefix_tags$i.html" &> /dev/null
done
fi
# First we will process all files and create temporal tag files
# with just the content of the posts
tmpfile=tmp.$RANDOM
while [[ -f $tmpfile ]]; do tmpfile=tmp.$RANDOM; done
while IFS='' read -r i; do
is_boilerplate_file "$i" && continue;
echo -n "."
if [[ -n $cut_do ]]; then
get_html_file_content 'entry' 'entry' 'cut' <"$i" | awk "/$cut_line/ { print \"<p class=\\\"readmore\\\"><a href=\\\"$i\\\">$template_read_more</a></p>\" ; next } 1"
else
get_html_file_content 'entry' 'entry' <"$i"
fi >"$tmpfile"
for tag in $(tags_in_post "$i"); do
if [[ -n $all_tags || " $tags " == *" $tag "* ]]; then
cat "$tmpfile" >> "$prefix_tags$tag".tmp.html
fi
done
done <<< "$files"
rm "$tmpfile"
# Now generate the tag files with headers, footers, etc
while IFS='' read -r i; do
tagname=${i#./"$prefix_tags"}
tagname=${tagname%.tmp.html}
create_html_page "$i" "$prefix_tags$tagname.html" yes "$global_title — $template_tag_title \"$tagname\"" "$global_author"
rm "$i"
done < <(ls -t ./"$prefix_tags"*.tmp.html 2>/dev/null)
echo
}
# Return the post title
#
# $1 the html file
get_post_title() {
awk '/<h3><a class="ablack" href=".+">/, /<\/a><\/h3>/{if (!/<h3><a class="ablack" href=".+">/ && !/<\/a><\/h3>/) print}' "$1"
}
# Return the post author
#
# $1 the html file
get_post_author() {
awk '/<div class="subtitle">.+/, /<!-- text begin -->/{if (!/<div class="subtitle">.+/ && !/<!-- text begin -->/) print}' "$1" | sed 's/<\/div>//g'
}
# Displays a list of the tags
#
# $2 if "-n", tags will be sorted by number of posts
list_tags() {
if [[ $2 == -n ]]; then do_sort=1; else do_sort=0; fi
ls ./$prefix_tags*.html &> /dev/null
(($? != 0)) && echo "No posts yet. Use 'bb.sh post' to create one" && return
lines=""
for i in $prefix_tags*.html; do
[[ -f "$i" ]] || break
nposts=$(grep -c "<\!-- text begin -->" "$i")
tagname=${i#"$prefix_tags"}
tagname=${tagname#.html}
((nposts > 1)) && word=$template_tags_posts || word=$template_tags_posts_singular
line="$tagname # $nposts # $word"
lines+=$line\\n
done
if (( do_sort == 1 )); then
echo -e "$lines" | column -t -s "#" | sort -nrk 2
else
echo -e "$lines" | column -t -s "#"
fi
}
# Displays a list of the posts
list_posts() {
ls ./*.html &> /dev/null
(($? != 0)) && echo "No posts yet. Use 'bb.sh post' to create one" && return
lines=""
n=1
while IFS='' read -r i; do
is_boilerplate_file "$i" && continue
line="$n # $(get_post_title "$i") # $(LC_ALL=$date_locale date -r "$i" +"$date_format")"
lines+=$line\\n
n=$(( n + 1 ))
done < <(ls -t ./*.html)
echo -e "$lines" | column -t -s "#"
}
# Generate the feed file
make_rss() {
echo -n "Making RSS "
rssfile=$blog_feed.$RANDOM
while [[ -f $rssfile ]]; do rssfile=$blog_feed.$RANDOM; done
{
pubdate=$(LC_ALL=C date +"$date_format_full")
echo '<?xml version="1.0" encoding="UTF-8" ?>'
echo '<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:dc="http://purl.org/dc/elements/1.1/">'
echo "<channel><title>$global_title</title><link>$global_url/$index_file</link>"
echo "<description>$global_description</description><language>en</language>"
echo "<lastBuildDate>$pubdate</lastBuildDate>"
echo "<pubDate>$pubdate</pubDate>"
echo "<atom:link href=\"$global_url/$blog_feed\" rel=\"self\" type=\"application/rss+xml\" />"
n=0
while IFS='' read -r i; do
is_boilerplate_file "$i" && continue
((n >= number_of_feed_articles)) && break # max 10 items
echo -n "." 1>&3
echo '<item><title>'
get_post_title "$i"
echo '</title><description><![CDATA['
get_html_file_content 'text' 'entry' $cut_do <"$i"
echo "]]></description><link>$global_url/${i#./}</link>"
echo "<guid>$global_url/$i</guid>"
echo "<dc:creator>$(get_post_author "$i")</dc:creator>"
echo "<pubDate>$(LC_ALL=C date -r "$i" +"$date_format_full")</pubDate></item>"
n=$(( n + 1 ))
done < <(ls -t ./*.html)
echo '</channel></rss>'
} 3>&1 >"$rssfile"
echo ""
mv "$rssfile" "$blog_feed"
chmod 644 "$blog_feed"
}
# generate headers, footers, etc
create_includes() {
{
echo "<h1 class=\"nomargin\"><a class=\"ablack\" href=\"$global_url/$index_file\">$global_title</a></h1>"
echo "<div id=\"description\">$global_description</div>"
} > ".title.html"
if [[ -f $header_file ]]; then cp "$header_file" .header.html
else {
echo '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">'
echo '<html xmlns="http://www.w3.org/1999/xhtml"><head>'
echo '<meta http-equiv="Content-type" content="text/html;charset=UTF-8" />'
echo '<meta name="viewport" content="width=device-width, initial-scale=1.0" />'
printf '<link rel="stylesheet" href="%s" type="text/css" />\n' "${css_include[@]}"
if [[ -z $global_feedburner ]]; then
echo "<link rel=\"alternate\" type=\"application/rss+xml\" title=\"$template_subscribe_browser_button\" href=\"$blog_feed\" />"
else
echo "<link rel=\"alternate\" type=\"application/rss+xml\" title=\"$template_subscribe_browser_button\" href=\"$global_feedburner\" />"
fi
} > ".header.html"
fi
if [[ -f $footer_file ]]; then cp "$footer_file" .footer.html
else {
protected_mail=${global_email//@/@}
protected_mail=${protected_mail//./.}
echo "<div id=\"footer\">$global_license <a href=\"$global_author_url\">$global_author</a> — <a href=\"mailto:$protected_mail\">$protected_mail</a><br/>"
echo 'Generated with <a href="https://github.com/cfenollosa/bashblog">bashblog</a>, a single bash script to easily create blogs like this one</div>'
} >> ".footer.html"
fi
}
# Delete the temporarily generated include files
delete_includes() {
rm ".title.html" ".footer.html" ".header.html"
}
# Create the css file from scratch
create_css() {
# To avoid overwriting manual changes. However it is recommended that
# this function is modified if the user changes the blog.css file
(( ${#css_include[@]} > 0 )) && return || css_include=('main.css' 'blog.css')
if [[ ! -f blog.css ]]; then
# blog.css directives will be loaded after main.css and thus will prevail
echo '#title{font-size: x-large;}
a.ablack{color:black !important;}
li{margin-bottom:8px;}
ul,ol{margin-left:24px;margin-right:24px;}
#all_posts{margin-top:24px;text-align:center;}
.subtitle{font-size:small;margin:12px 0px;}
.content p{margin-left:24px;margin-right:24px;}
h1{margin-bottom:12px !important;}
#description{font-size:large;margin-bottom:12px;}
h3{margin-top:42px;margin-bottom:8px;}
h4{margin-left:24px;margin-right:24px;}
img{max-width:100%;}
#twitter{line-height:20px;vertical-align:top;text-align:right;font-style:italic;color:#333;margin-top:24px;font-size:14px;}' > blog.css