From c61126ec0bcdbd64339582d1b2e30bb18b6edadc Mon Sep 17 00:00:00 2001
From: Jephte Clain <Jephte.Clain@univ-reunion.fr>
Date: Fri, 6 Mar 2015 18:00:57 +0400
Subject: [PATCH] =?UTF-8?q?utiliser=20vim=20ou=20EDITOR=20si=20emacs=20n'e?=
 =?UTF-8?q?st=20pas=20install=C3=A9?=
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---
 em | 26 +++++++++++++++++++-------
 1 file changed, 19 insertions(+), 7 deletions(-)

diff --git a/em b/em
index 063b0bc..953d668 100755
--- a/em
+++ b/em
@@ -1,11 +1,23 @@
-#!/bin/sh
+#!/bin/bash
 # -*- coding: utf-8 mode: sh -*- vim:sw=4:sts=4:et:ai:si:sta:fenc=utf-8
 
-GEOMETRY=150x50+0+67
+EMACS_GEOMETRY=150x50+0+67
 
-emacs="`which emacs`"
-if [ -n "$DISPLAY" ]; then
-    exec "$emacs" -g $GEOMETRY "$@" &
-else
-    exec "$emacs" "$@"
+# Essayer avec emacs
+emacs="$(which emacs 2>/dev/null)"
+if [ -x "$emacs" ]; then
+    if [ -n "$DISPLAY" ]; then
+        exec "$emacs" -g "$EMACS_GEOMETRY" "$@" &
+    else
+        exec "$emacs" "$@"
+    fi
 fi
+
+# puis avec vim
+vim="$(which vim 2>/dev/null)"
+[ -x "$vim" ] && exec "$vim" "$@"
+
+# puis avec $EDITOR
+[ -n "$EDITOR" ] && exec "$EDITOR"
+
+exit 1