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let's eat our own—SC2250—dog food

Andrei Korshikov
2025-01-27 22:59:50 +06:00
parent 6c141e77af
commit df2c49bdd9
1 changed files with 6 additions and 6 deletions
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12
SC2231.md

@@ -1,20 +1,20 @@
## Quote expansions in this `for` loop glob to prevent wordsplitting, e.g. `"$dir"/*.txt` .
## Quote expansions in this `for` loop glob to prevent word splitting, e.g. `"${dir}"/*.txt`.
### Problematic code:
```sh
for file in $dir/*.txt
for file in ${dir}/*.txt
do
echo "Found $file"
echo "Found ${file}"
done
```
### Correct code:
```sh
for file in "$dir"/*.txt
for file in "${dir}"/*.txt
do
echo "Found $file"
echo "Found ${file}"
done
```
@@ -22,7 +22,7 @@ done
When iterating over globs containing expansions, you can still quote all expansions in the path to better handle whitespace and special characters.
Just make sure glob characters are outside quotes. `"$dir/*.txt"` will not glob expand, but `"$dir"/*.txt` or `"$dir"/*."$ext"` will.
Just make sure glob characters are outside quotes. `"${dir}/*.txt"` will not glob expand, but `"${dir}"/*.txt` or `"${dir}"/*."${ext}"` will.
### Exceptions: