ref: e30bac13912ad2f9923542d9e72c327347005365
parent: 6a34b0e46ad23af977dc230f885161f8bdc15520
author: kvik <kvik@a-b.xyz>
date: Sat Apr 18 19:09:08 EDT 2020
vol: improve code readability by a bit
--- a/bin/vol
+++ b/bin/vol
@@ -4,11 +4,12 @@
usage='vol [-+] | [+-]vol | vol'
fn expr {- switch($2){+ op=$2
+ switch($op){case [-+][0-9]*
- echo $1 $2 | bc
+ echo $1 $op | bc
case - +
- echo $1 $2 5 | bc
+ echo $1 $op $step | bc
case *
echo $2
}
@@ -17,6 +18,7 @@
if(~ $#* 0)
usage
+step=5
vol=`{awk '/master/ {print $2, $3}' </dev/volume} switch($#*){case 1