add an extra flag to the xkcd program

2021-07-01 22:36:24 -05:00 · 2021-07-01 22:36:24 -05:00 · c91325de03
parent 8d18178c34
commit c91325de03
1 changed files with 1 additions and 1 deletions
--- a/sh/xkcd
+++ b/sh/xkcd
@ -1,6 +1,6 @@
 #!/bin/sh

-set -x
+[ -z $XKCD_DBG ] || set -x
 err () {
  printf "err: %s\n" ${1}
  [ -z "${2}" ] && exit 1