#!/usr/local/bin/bash
case $1 in 
''|-h)
    # $Id: zmutt,v 1.2 1997/05/20 11:31:01 sec Exp $
    echo This is zmutt, echo a simple frontend for mutt to read gzipped folders
    echo 'Usage: zmutt <filename.gz>'
    ;;
*.gz)
    if [ -f ${1%%.gz}.lock ] ; then
        echo "a copy of mutt is already running on this folder.gz"
        exit 1
    fi
    echo -n "Uncompressing Folder ...."
    gzip -dc $1 >${1%%.gz}
    touch ${1%%.gz}.lock
    echo "done"
    mutt -f ${1%%.gz}
    if [ -z "`find ${1%%.gz} -newer ${1%%.gz}.lock`" ] ;then
        echo "Nothing modified"
        rm ${1%%.gz}
    else
        rm $1
        echo -n "Recompressing Folder ...."
        gzip -9 ${1%%.gz}
        echo "done"
    fi
    rm ${1%%.gz}.lock
    ;;
*)
    echo 'Not a compressed folder, continuing anyway :)'
    exec mutt -f $1
    ;;
esac