Revision: 783
http://svn.savannah.gnu.org/viewvc/?view=rev&root=administration&revision=783
Author: iank
Date: 2024-04-18 15:22:02 -0400 (Thu, 18 Apr 2024)
Log Message:
-----------
add note about nullglob
Modified Paths:
--------------
trunk/sviki/fsf/bash-style-guide.mdwn
Modified: trunk/sviki/fsf/bash-style-guide.mdwn
===================================================================
--- trunk/sviki/fsf/bash-style-guide.mdwn 2024-04-18 06:26:33 UTC (rev
782)
+++ trunk/sviki/fsf/bash-style-guide.mdwn 2024-04-18 19:22:02 UTC (rev
783)
@@ -533,3 +533,17 @@
readonly this_file this_dir="${this_file%/*}"
cd "$this_dir"
```
+
+
+Globing files needs `shopt -s nullglob` to do succinctly. Once you
+realize you need nullglob, add it at the top of your script. It is very
+easy to forget, so it is a good idea to put it at the top of all your
+scripts.
+
+
+```
+shopt -s nullglob
+for f in dir/*; do
+ some-command $f
+done
+```
