echo "syntax:"
echo " $0 "'"filename" "greptext"'
echo ' filename: like *.c or *.cpp'
echo ' greptext: text you want to search.'
echo "example:"
echo " $0 "'"*.c" "TODO:"'
} || {
echo '[exec] find . -name "'$1'" | xargs grep "'$2'"'
find . -name "$1" | xargs grep "$2"
}
