#!/bin/sh

if [ -z "$ARB_TEXTEDIT" ]; then
        echo '$ARB_TEXTEDIT not set! Searching for an editor..'
        echo ''

        # try to find an editor (order = basic to convinient; last found is used):

        if [ -x "`which edit`" ] ; then ARB_TEXTEDIT=edit ; fi
        if [ -x "`which vi`" ] ; then ARB_TEXTEDIT=vi ; fi
        if [ -x "`which emacs`" ] ; then ARB_TEXTEDIT=emacs ; fi
        if [ -x "`which xemacs`" ] ; then ARB_TEXTEDIT=xemacs ; fi
        if [ -x "`which textedit`" ] ; then ARB_TEXTEDIT=textedit ; fi
        if [ -x "`which xedit`" ] ; then ARB_TEXTEDIT=xedit ; fi
        if [ -x "`which gedit`" ] ; then ARB_TEXTEDIT=gedit ; fi
        if [ -x "`which kwrite`" ] ; then ARB_TEXTEDIT=kwrite ; fi

        if [ -z "$ARB_TEXTEDIT" ]; then
                echo "Can't guess an editor. Even 'vi' seems to be absent."
                echo "Please set the environment variable \$ARB_TEXTEDIT to the"
                echo "name of your preferred text editor."
                echo ""
                echo "Press ENTER to continue.."
                read x
                exit 1;
        fi
        echo ''
        echo "Using '$ARB_TEXTEDIT' as text editor."
fi

if [ -z "$1" ]; then
    echo "Usage: arb_textedit filename"
    echo "Edits a file with using $ARB_TEXTEDIT"
else
    $ARB_TEXTEDIT $1
fi