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Updated SC3028 (markdown)

Vidar Holen
2021-08-25 17:15:23 -07:00
parent 263b926162
commit b4f691bdaa
1 changed files with 6 additions and 0 deletions
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SC3028.md

@@ -22,6 +22,12 @@ echo "$(hostname) $(id -u) $(awk 'BEGIN { srand(); print int(rand()*32768) }' /d
The variable you are attempting to use is a special variable in bash or ksh. To get the same information from `dash` or POSIX `sh`, use an external command instead. The variable you are attempting to use is a special variable in bash or ksh. To get the same information from `dash` or POSIX `sh`, use an external command instead.
For `PIPESTATUS`, the pipeline can be instrumented to record the exit value of each command:
```sh
{ cmd0; echo $? > status0; } | { cmd1; echo $? > status1; } | cmd2
```
### Exceptions: ### Exceptions:
If you only intend to target shells that supports this feature, you can change If you only intend to target shells that supports this feature, you can change