From 8c3ce92e29095539e5581535da5201782306eb06 Mon Sep 17 00:00:00 2001
From: VG <vg@devys.org>
Date: Sun, 24 Jan 2016 18:27:20 +0100
Subject: add error message for controlling/interactive terminal for clarity

---
 bulkrename | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/bulkrename b/bulkrename
index 5a5c9d1..997f3a3 100755
--- a/bulkrename
+++ b/bulkrename
@@ -9,11 +9,11 @@ if [ $# -ne 0 ] ; then
     exit
 fi
 
-[ -x "$(which "$EDITOR" 2>/dev/null)" ] || EDITOR='vi'
+EDITOR="${EDITOR:-vi}"
 
 file=/tmp/blkrn-$$
 cat > ${file}.1
-exec </dev/tty >/dev/tty
+exec </dev/tty >/dev/tty || { echo 'Interactive terminal needed' >&2; exit; }
 
 cp ${file}.1 ${file}.2
 "$EDITOR" ${file}.2
-- 
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