opsb · December 10, 2015 08:38
diff --git a/Bash function to extract regex match or specified group b/Bash function to extract regex match or specified group
 function regex { gawk 'match($0,/'$1'/, ary) {print ary['${2:-'0'}']}'; }
diff --git a/Usage b/Usage
 # Print regex match for each line in STDIN

 $ cat filename | regex '.*'


 # Print first regex group for each line in STDIN

 # cat filename | regex '(.*)' 1
	# Print regex match for each line in STDIN

	$ cat filename \| regex '.*'


	# Print first regex group for each line in STDIN

	# cat filename \| regex '(.*)' 1
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