7x31/shellcheck
1
0
Fork 0
mirror of https://github.com/koalaman/shellcheck.git synced 2025-10-03 11:19:45 +08:00
Code Issues Packages Projects Releases Wiki Activity

Created SC1003 (markdown)

Mingye Wang
2016-02-27 18:57:19 -05:00
parent cd2fcca16e
commit 98a19c0fdc
1 changed files with 24 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
SC1003.md Normal file

@@ -0,0 +1,24 @@
Are you trying to escape that single quote? `echo 'You'\''re doing it wrong'`.
==============================================================================
### Problematic code:
```sh
echo 'You\'re doing it wrong' # unclosed single quote
```
### Correct code:
```sh
echo 'You'\''re doing it wrong'
echo $'You\'re doing it wrong' # ksh/bash/zsh "c-style" quote
```
### Rationale
In POSIX shell, the shell cares about nothing but another single quote to terminate the quoted segment. Not even backslashes are interpreted.
[POSIX.1 Shell Command Language § 2.2.2 Single Quotes](http://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#tag_18_02_02):
> Enclosing characters in single-quotes ( `''` ) shall preserve the literal value of each character within the single-quotes. A single-quote cannot occur within single-quotes.