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Add caveats for unexpanded globs

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Jan Vitturi 2019-09-20 15:36:14 +02:00 committed by GitHub
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@ -439,6 +439,8 @@ $ lines ~/.bashrc
This works by passing the output of the glob to the function and then counting the number of arguments.
**CAVEAT:** When the glob does not match anything (empty directory or no matching files) it is not expanded and the function returns `1`.
**Example Function:**
```sh
@ -575,6 +577,8 @@ done < "file"
Don’t use `ls`.
**CAVEAT:** When the glob does not match anything (empty directory or no matching files) the variable will contain the unexpanded glob.
```shell
# Greedy example.
for file in *; do