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virullius/self-executing-diff.sh

Created December 7, 2016 21:13
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self-executing-diff.sh
#!/bin/bash
PATCH_ARGS=''
DELIMITER=__DIFF__
REALPATH=$(realpath $0)
DATA=$(tail -n +$(( $(grep -n $DELIMITER $REALPATH | tail -n 1 | cut -d : -f 1) + 1 )) $REALPATH)
printf '%s\n' "$DATA" | patch $PATCH_ARGS
exit 0
__DIFF__
--- one 2016-12-07 13:39:56.974517071 -0600
+++ two 2016-12-07 13:40:28.733159927 -0600
@@ -1,4 +1,5 @@
this is a file with content in it
line 2 was left blank
+line 4 is being added
END
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