Linux :: Search text in files

grep -R -i -n 'string' * > result.txt
#!/bin/sh
FILES=`ls *.php`
for i in $FILES;
do echo "$i";
echo "====$i====\n" >> search.result;
cat $i | grep 'wget' >> search.result;
done
 
exit 0
cat * | awk '/wget/ {print "File: " FILENAME " - " $0}'