Sindbad~EG File Manager

#!/bin/sh
# Copyright 2007 Jari Aalto; Released under GNU GPL v2 or any later version
# Copyright 201
ret="$?"

# Prevent recursive loops, where these values are set to this script
p="$(command -v "$0")"
[ -n "$EDITOR" ] && [ "$(command -v "$EDITOR" || true)" = "$p" ] && EDITOR=
[ -n "$VISUAL" ] && [ "$(command -v "$VISUAL" || true)" = "$p" ] && VISUAL=
[ -n "$SELECTED_EDITOR" ] && [ "$(command -v "$SELECTED_EDITOR" || true)" = "$p" ] && SELECTED_EDITOR=

IsError()
{
	# Operating system command not found
	[ "$1" -ne 126 ] && [ $1 -ne 127 ]
}

Run()
{
	"$@"
	ret=$?
	IsError "$ret"
}

# workarround #991982
nano ()
{
    if [ -z "$TERM" ]; then
	return 126
    else
	command nano "$@"
    fi
}

if [ -n "$VISUAL" ]; then
	Run "$VISUAL" "$@" && exit "$ret"
fi

# fix #987675
if [ -n "$HOME" ]; then
    if [ -r ~/.selected_editor ]; then
	. ~/.selected_editor 2>/dev/null || true
    elif [ -z "$EDITOR" ] && [ -z "$SELECTED_EDITOR" ] && [ -t 0 ]; then
	select-editor && . ~/.selected_editor 2>/dev/null || true
    fi
fi

Run ${EDITOR:-${SELECTED_EDITOR:-editor}} "$@" ||
Run nano "$@" ||
Run nano-tiny "$@" ||
Run vi "$@" ||
{
	echo "Couldn't find an editor!" 1>&2
	echo "Set the \$EDITOR environment variable to your desired editor." 1>&2
	exit 1;
}
exit "$ret"