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exclude.c
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exclude.c
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/* exclude.c - Print some args without certain values
* Useful for shell wildcards.
* Usage: exclude [args...] [- [blacklist...]]
* e.g. exclude ab cd ef gh ij - cd gh -> ab ef ij
* Example: Move all files except for .jp(e)g files to a directory
* mv `exclude "*" - "*.jpg" "*.jpeg"` non_jpegs/
* NOTE: Quoting wildcards is important because of the way `` works!
*
* WARNING: DO NOT use `exclude` for anything (like rm) that can't be undone!
* I have encountered issues before where it doesn't exclude like it
* should, and I haven't figured out what the cause is yet.
*/
#warning "[1;5;7;33m READ THE COMMENT AT THE TOP OF EXCLUDE.C BEFORE USING IT! [m"
#include <stdio.h>
#include <string.h>
int main(int argc, char *argv[])
{
int dash = argc;
int i;
for (i=1; i<argc; ++i) {
if (!strcmp(argv[i], "-")) {
dash = i;
break;
}
}
for (i=1; i<dash; ++i) {
int excluded = 0;
int j; for (j=dash+1; j<argc; ++j) {
if (!strcmp(argv[i], argv[j])) {
excluded = 1;
break;
}
}
if (!excluded)
puts(argv[i]);
}
return 0;
}