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Updated SC2164 (markdown)

koalaman
2017-04-17 21:40:06 -07:00
parent 31dc8a3c34
commit 63167ca990
1 changed files with 5 additions and 1 deletions
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SC2164.md

@@ -31,7 +31,11 @@ func(){
If/when it does, the script will keep going and do all its operations in the wrong directory. This can be messy, especially if the operations involve creating or deleting a lot of files. If/when it does, the script will keep going and do all its operations in the wrong directory. This can be messy, especially if the operations involve creating or deleting a lot of files.
You should therefore always check the condition of `cd`, either with `|| exit` as suggested, or things like `if cd somewhere; then ...; fi`. To avoid this, make sure you handle the cases when `cd` fails. Ways to do this include
* `cd foo || exit` as suggested to just abort immediately
* `if cd foo; then echo "Ok"; else echo "Fail"; fi` for custom handling
* `<(cd foo && cmd)` as an alternative to `<(cd foo || exit; cmd)` in `<(..)`, `$(..)` or `( )`
### Exceptions: ### Exceptions: