config

commit b2c762854c93f9b02aadaa0d85a63038596733d5
parent c3a032531581e5596be91222f4f35f4967327129
Author: Jacob R. Edwards <jacobouno@protonmail.com>
Date:   Thu, 10 Sep 2020 10:50:56 -0700

Reformat, shorten usage, and quote first argument.

Diffstat:
M
scripts/.local/bin/loop
 | 
22
+++++++---------------

1 file changed, 7 insertions(+), 15 deletions(-)
diff --git a/scripts/.local/bin/loop b/scripts/.local/bin/loop
@@ -1,30 +1,22 @@
 #!/usr/bin/env dash
-# loops command indefinitly.
+# loops commands indefinitly.
 
-# display usage
-usage()
-{
-	echo "usage, `basename $0` [-ih]"
-	echo "\t-i, interactive, prompt at each iteration"
-	echo "\t-e, errexit, exit on error"
-	echo "\t-h, usage"
-}
+usage() { echo "usage, `basename $0` [-ehi]" ;}
 
 while [ $# -ne 0 ]
 do
-	case $1
+	case "$1"
 	in
-		-i) interactive=1; shift;;
-		-e) set -e; shift;;
-		-h) usage; exit 0;;
+		-i) shift; interactive=1;;
+		-h) usage; exit 1;;
+		-e) shift; set -e;;
 		*) break;;
 	esac
 done
 
 while true
 do
-	if [ ${interactive:=0} -eq 1 ]
-	then
+	if [ ${interactive:=0} -eq 1 ]; then
 		read null || break
 	fi
 	eval $@