Re: ls -R | grep char_string

[Krzys Majewski <majewski@cs.ubc.ca>]

Erik Steffl <steffl@bigfoot.com> writes:

>   find . -type f |xargs grep char_string /dev/null

I use

find . -type f | xargs mogrep $1

where $1  is the expression to  search for, and  "mogrep" (below) knows
what to do with binary and compressed files. -chris 

#!/bin/sh

REGEXP=$1
PRGNAME=`basename $0`
TMP=/tmp/${PRGNAME}.$$

shift
for i in $*
do
    SKIP=no
    GZIP=no
    case $i in
	*.gz)
	    GZIP=yes
	    ;;
	*)
	    ;;
    esac
    if [ ${GZIP} = yes ]; then
	if ! zcat $i | file - | grep -i text >> /dev/null 2>&1; then
	    SKIP=yes
	fi
    else
	if ! file $i | grep -i text >> /dev/null 2>&1; then
	    SKIP=yes
	fi
    fi
    if [ ${SKIP} = no ]; then
	GREP=grep
	if [ ${GZIP} = yes ]; then
	    GREP=zgrep
	fi
	${GREP} -i ${REGEXP} $i > ${TMP}
	if [ $? -eq 0 ]; then
	    printf "$i:"
	    cat ${TMP}
	    rm ${TMP}
	fi
    else
#	printf "'$i': Not a text file\n" 1>&2
	printf hello >> /dev/null	
    fi
done