#!/bin/sh
# vim: set sw=4 ts=4 et:
# wirtten by katja socher <katja@linuxfocus.org>
# and guido socher <guido@linuxfocus.org>
#
#
ver="0.1"
help()
{
    cat <<HELP
imgsrcline -- generate a <img src=... width= height=> line
for a number of images

USAGE: imgsrcline [-h]  image1 image2 ...

OPTIONS: -h this help

EXAMPLE: imgsrcline test.gif

This program uses the identify utility from ImageMagick

version $ver
HELP
    exit 0
}
error()
{
    echo "$1"
    exit "$2"
}
while [ -n "$1" ]; do
case $1 in
    -h) help;shift 1;;
    --) break;;
    -*) echo "error: no such option $1. -h for help";exit 1;;
    *)  break;;
esac
done

if [ -z "$1" ];then
    error "No image specified, -h for help" 1
fi

# process each image
for imgfile in $* ;do
    if [ ! -r "$imgfile" ]; then
        echo "ERROR: can not read $imgfile\n"
    else
        geometry=`identify $imgfile | awk '{print $2}'`
        # geometry can be 563x144+0+0 or 75x98
        # get rid of the +0+0
        width=`echo $geometry | sed 's/[^0-9]/ /g' | awk '{print $1}'`
        height=`echo $geometry | sed 's/[^0-9]/ /g' | awk '{print $2}'`
        echo "<img src=\"$imgfile\" width=\"$width\" height=\"$height\" alt=\"[]\">"
    fi
done

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