generator

#!/bin/sh
########################################################################
#
# generator
# $Id: generator,v 1.2 2021/01/25 21:29:37 elias Exp $
#
# Extract the generator-metatag from a web site.
# Requires GNU sed for the "i" modifier of sed. Yes, I know... ;)
#
########################################################################

PATH=/bin:/usr/bin

for i in "$@"
do
    echo -n "$i\t"
    line=`curl -s "$i" | grep -i \<meta | grep -i generator | sed 1q`
    if [ -z "$line" ]
    then
    echo "WARNING: no generator specified"
    else
    echo $line | sed "s/^.*content=['\"]\\([^'\"]*\\)['\"].*$/\\1/i"
    fi
done