check-for-src-pattern

#! /bin/bash
#
# simple script to check for a given string pattern in any
# .c, .h, .cpp, .cxx, .m, & .mm source files
#
# Dan Wilcox <danomatika@gmail.com> 2014
#

# super simple command parsing
if [ $# -lt 1 -o "$1" == "-h" -o "$1" == "--help" ] ; then
	echo "Usage: check-for-src-pattern \"pattern to match\""
	exit 0
fi

PATTERN="$1"
echo "Checking for \"$PATTERN\" ..."
echo ""

# set internal field separator to endline so filenames with spaces are not broken up
IFS=$'\n'

# get a list of source files in the given dir
files=$(find . -type file \( -name *.c -o -name *.h -o -name *.cpp -o -name *.cxx -name *.m -o -name *.mm \))
for file in ${files[*]} ; do

	# check against the given pattern, print the filename and grep output if we find a match
	found=$(grep -n "$PATTERN" "$file")
	if [ "$found" != "" ] ; then
		echo "$file:"
		echo $found
		echo ""
	fi

done