From 38d6c54c690df6d2589a7994dabe29ed3c541ec1 Mon Sep 17 00:00:00 2001
From: koksnuss <koksnuss@arcor.de>
Date: Sun, 23 Sep 2018 15:09:50 +0200
Subject: [PATCH] add ok function to exit with a generic error message after a
 previous call went wring

---
 bsf.sh | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/bsf.sh b/bsf.sh
index d660ab2..13ac63b 100644
--- a/bsf.sh
+++ b/bsf.sh
@@ -12,6 +12,10 @@ sayn ()   { printf %s "$*" ; }
 ## check if user is root
 root ()   { [[ "$EUID" -eq 0 ]] ; }
 
+## check if last call had errors
+## if yes print generic error message and exit
+ok() { [[ "$?" -ne 0 ]] && echo "ERROR, aborting." && exit 1; }
+
 ## colors
 # use ANSI escape codes
 normal () { printf '\033[0m'    ; }