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Space title to generate shellcheck.net/wiki page properly

Evan McCarter
2022-05-15 17:33:40 -05:00
parent 8af609003c
commit 1c7c514f1a
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SC2115.md

@@ -21,6 +21,7 @@ Using `:?` will cause the command to fail if the variable is null or unset. Simi
In the case command substitution, assign to a variable first and then use `:?`. This is relevant even if the command seems simple and obviously correct, since forks and execs can fail due to external system limits and conditions, resulting in a blank substitution. In the case command substitution, assign to a variable first and then use `:?`. This is relevant even if the command seems simple and obviously correct, since forks and execs can fail due to external system limits and conditions, resulting in a blank substitution.
For more details about `:?` see the "Parameter Expansion" section of the Bash man page. For more details about `:?` see the "Parameter Expansion" section of the Bash man page.
### Exceptions: ### Exceptions:
None. None.