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

       NAME_="pdf2txt"
       HTML_="convert pdf to text"
    PURPOSE_="convert pdf file to ascii text; write the converted file to disk"
   SYNOPSIS_="$NAME_ [-vhlr] <file> [file...]"
   REQUIRES_="standard GNU commands, ps2ascii"
    VERSION_="1.0"
       DATE_="2004-04-18; last update: 2005-03-03"
     AUTHOR_="Dawid Michalczyk <dm@eonworks.com>"
        URL_="www.comp.eonworks.com"
   CATEGORY_="text"
   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:
     -r, remove input file after conversion
     -v, verbose
     -h, usage and options (help)
     -l, see this script"
exit 1
}

# arg check
[ $# -eq 0 ] && { echo >&2 missing argument, type $NAME_ -h for help; exit 1; }

# var initializing
rmf=
verbose=

# option and argument handling
while getopts vhlr options; do

    case $options in
        r) rmf=on ;;
        v) verbose=on ;;
        h) usage ;;
        l) more $0 ;;
       \?) echo invalid or missing argument, type $NAME_ -h for help; exit 1 ;;
    esac

done

shift $(( $OPTIND - 1 ))

# check if required command is in $PATH variable
which ps2ascii &> /dev/null
[[ $? != 0 ]] && { echo >&2 the required \"ps2ascii\" command is not in your PATH; exit 1; }

# main
for a in $@; do

        if [ -f ${a%.*}.txt ]; then
            echo ${NAME_}: skipping: ${a%.*}.txt file already exist
            continue
        else
            [[ $verbose ]] && echo "${NAME_}: converting: $a -> ${a%.*}.txt"
            ps2ascii $a > ${a%.*}.txt
            [[ $? == 0 ]] && stat=0 || stat=1
            [[ $stat == 0 ]] && [[ $verbose ]] && [[ $rmf ]] && echo ${NAME_}: removing: $a
            [[ $stat == 0 ]] && [[ $rmf ]] && rm -f -- $a
        fi

done