Change scripts to be a little more cross-platform compatible

scripts/chrs_login.sh

@@ -1,3 +1,4 @@
-#!/bin/sh -ex
+#!/usr/bin/env sh
 
+set -ex
 exec chrs login --username chris --password chris1234 --cube http://localhost:8000/api/v1/ --ui http://localhost:8020/api/v1/ --no-keyring

scripts/list_mrns.sh

@@ -1,6 +1,7 @@
-#!/bin/bash -e
+#!/usr/bin/env bash
 # Purpose: list all Patient MRNs inside Orthanc
 
+set -e
 set -o pipefail
 
 curl -sfu orthanc:orthanc http://localhost:8042/patients \

scripts/upload2orthanc.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env sh
 # Purpose: upload a directory of DICOMs to Orthanc.
 
 if ! [ -d "$1" ]; then
@@ -8,5 +8,7 @@ fi
 
 url="http://localhost:8042/instances"
 
-find -L "$1" -type f -name '*.dcm' \
-  | parallel --bar -j 4 "curl -sSfX POST -u orthanc:orthanc http://localhost:8042/instances -H Expect: -H 'Content-Type: application/dicom' -T {} -o /dev/null"
+exec fd -L --ignore-vcs --ignore-case --type f \
+  -j 4 \
+  -x curl -sSfX POST -u orthanc:orthanc "$url" -H 'Expect:' -H 'Content-Type: application/dicom' -T '{}' -o /dev/null \; \
+  '.+\.dcm$' "$1"