#! /bin/sh
# #############################################################################

       NAME_="samesize"
       HTML_="list files of same size"
    PURPOSE_="list files of same size in current dir"
   SYNOPSIS_="$NAME_ [-hl]"
   REQUIRES_="standard GNU commands"
    VERSION_="1.0"
       DATE_="2005-05-02; last update: 2005-05-02"
     AUTHOR_="Dawid Michalczyk <dm@eonworks.com>"
        URL_="www.comp.eonworks.com"
   CATEGORY_="file"
   PLATFORM_="Linux"
      SHELL_="bash"
 DISTRIBUTE_="yes"

# #############################################################################
# This program is distributed under the terms of the GNU General Public License

usage() {

echo >&2 "$NAME_ $VERSION_ - $PURPOSE_
Usage: $SYNOPSIS_
Requires: $REQUIRES_
Options:
     -h, usage and options (help)
     -l, list the script"

exit 1

}

# tmp file setup
tmp_1=/tmp/tmp.${RANDOM}$$

# signal trapping and tmp file removal
trap 'rm -f $tmp_1 >/dev/null 2>&1' 0
trap "exit 2" 1 2 3 15

# arg handling
while getopts hl options; do

    case $options in

        h) usage ;;
        l) more $0; exit 1 ;;
       \?) echo >&2 invalid argument, type $NAME_ -h for help; exit 1 ;;

    esac

done
shift $(( $OPTIND - 1 ))

# main
for a in *;do

    f_size=$(set -- $(ls -l -- "$a"); echo $5)
    find . -maxdepth 1 -type f ! -name "$a" -size ${f_size}c > $tmp_1
    [ -s $tmp_1 ] && { echo file with same size as file \"$a\": ; cat $tmp_1; }

done