config

commit 29d2fea86cbb514388128d3ce5923aad2b09fb68
parent 9f4561b4d17f4d181b34b49a29903567c31113a9
Author: Jacob R. Edwards <jacobouno@protonmail.com>
Date:   Sat, 12 Sep 2020 13:22:31 -0700

Add usage function and flag

Diffstat:
M
scripts/.local/bin/feed
 | 
8
++++++++

1 file changed, 8 insertions(+), 0 deletions(-)
diff --git a/scripts/.local/bin/feed b/scripts/.local/bin/feed
@@ -3,6 +3,13 @@
 
 set -eu
 
+# display usage
+# usage(void)
+usage()
+{
+	echo "usage: `basename $0` [-hln]"
+}
+
 # return html or plain-text from specified files or stdin
 # format([file], ...)
 format()
@@ -35,6 +42,7 @@ if [ $# -gt 0 ]; then
 fi
 case "${cmd:=}"
 in
+	-h) usage; exit 2;;
 	-l) show $@;;
 	-n) nth $@ | format;;
 	*) egrep -i "$cmd" $@ | format;;