finder

#!/bin/bash

# This is a bash script for search files by regex string.
# It also can search files in archives.
# https://github.com/va1m/shv-file-finder

#file regex
fileregex="$1"
export fileregex

#true/false (optional)
includearch=false
export includearch

#text to search (optional)
text=
export text

#For zip listing lines
removeextrainfo() {
	line="$1"
	line=$(echo "$line" | grep -Po '\d+:\d+\s+(.+)' | cut -d' ' -f2-)
	echo $line
}
export -f removeextrainfo

# Callback function for processing each file
callback() {
	fullname="$1"
	shortname=$(basename "$fullname")

	[ "$(echo $shortname | grep -i -P $fileregex)" != "" ] && {
		echo "$fullname"
	}

	[ "$includearch" == "true" ] && {
		[ "$(echo $shortname | grep -P '.*\.(zip|jar|war)')" != "" ] && {
			res=$(unzip -l "$fullname")
			linenum=3	#3 lines for table header. Skip it.
			echo "$res" | while read fullnameinzip; do
				if [ $linenum == 0 ]; then
					if [[ $fullnameinzip == '--------- '* ]]; then
						#End of listing
						return
					fi
					fullnameinzip=$(removeextrainfo "$fullnameinzip")
					res=$(basename "$fullnameinzip" | grep -i -P "$fileregex")
					[ "$res" != "" ] && {
						echo "$fullname:"
						echo "	$fullnameinzip"
					}
				else
					linenum=$(( $linenum - 1 ))
				fi
			done
			return
		}
		[ "$(echo $shortname | grep -P '.*\.(tar\.gz|tgz)')" != "" ] && {
			res="$(tar -tf $fullname)"
			echo "$res" | while read fullnameinzip; do
				res=$(basename "$fullnameinzip" | grep -i -P "$fileregex")
				[ "$res" != "" ] && {
					echo "$fullname:"
					echo "	$fullnameinzip"
				}
			done
		}
	}

}
export -f callback

parseparams() {
	shift
	for i in "$@"; do
		case $i in
		-a|--arc)
			includearch=true
			shift
			;;
		-t=*|--text=*)
			text="${i#*=}"
			shift # past argument=value
			;;
		*)
			# unknown option
			;;
		esac
	done
}

[ "$fileregex" == "" ] && {
	echo "This is a script for search files by regex string in the current directory, subdirectories and archives."
	echo ""
	echo "Usage:"
	echo "$(basename $0) regex [-a|--arc]"
	echo "regex    - A file name regex for search"
	echo "-a --arc - Search in zip, jar, war, tar.gz, tgz archives. Optional."
	exit 1
}

parseparams $@

find . -type f -exec bash -c 'callback "$0"' '{}' \; 2>&1 | grep -v 'Permission denied'