#!/bin/sh

function op {
    case "$1" in
    (*.pdf)
        $fork epdfview "$1"
        ;;
    (*.chm)
        $fork xchm "$1"
        ;;
    (*.jpg|*.png|*.gif)
        $fork gqview "$1"
        ;;
    (*.html|*.htm)
        $fork firefox "$1"
        ;;
    (*.doc|*.odt)
        $fork swriter "$1"
        ;;
    (*.mpg|*.avi|*.mov|*.mpeg|*.mp4|*.flv)
        mplayer "$1"
        ;;
    (*.c|*.cc|*.cpp|*.h|*.hh|*.hpp)
        gvim --remote "$1"
        ;;
    (*)
        echo Unknown file type
        ;;
    esac
}

function et {
    case "$1" in
    (*.html|*.htm)
        gvim --remote "$1"
        ;;
    (*)
        op "$1"
        ;;
    esac
}

function vw {
    case "$1" in
    (*)
        op "$1"
        ;;
    esac
}



if which f > /dev/null 2>&1; then
    fork=f
else
    fork=""
fi
prog_name=$(basename "$0")

case $prog_name in 
    (op|vw|et)
        ;;
    (*)
        echo Unrecognized prog_name
        exit 1
        ;;
esac

while [ "$1" ]; do
    $prog_name "$1"
    shift
done