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bash: Recover broken links using Web Archive (#2004)

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@ -25,7 +25,7 @@ This is a quick reference to getting started with Bash scripting.
- [Learn bash in y minutes](https://learnxinyminutes.com/docs/bash/) _(learnxinyminutes.com)_
- [Bash Guide](http://mywiki.wooledge.org/BashGuide) _(mywiki.wooledge.org)_
- [Bash Hackers Wiki](https://wiki.bash-hackers.org) _(wiki.bash-hackers.org)_
- [Bash Hackers Wiki](https://web.archive.org/web/20230406205817/https://wiki.bash-hackers.org/) _(wiki.bash-hackers.org)_
### Example
@ -68,7 +68,7 @@ echo "I'm in `pwd`" # obsolescent
# Same
```
See [Command substitution](http://wiki.bash-hackers.org/syntax/expansion/cmdsubst)
See [Command substitution](https://web.archive.org/web/20230326081741/https://wiki.bash-hackers.org/syntax/expansion/cmdsubst)
### Conditional execution
@ -124,7 +124,7 @@ echo {A,B}.js
| `{A,B}.js` | Same as `A.js B.js` |
| `{1..5}` | Same as `1 2 3 4 5` |
See: [Brace expansion](http://wiki.bash-hackers.org/syntax/expansion/brace)
See: [Brace expansion](https://web.archive.org/web/20230207192110/https://wiki.bash-hackers.org/syntax/expansion/brace)
Parameter expansions
@ -150,7 +150,7 @@ length=2
echo "${name:0:length}" #=> "Jo"
```
See: [Parameter expansion](http://wiki.bash-hackers.org/syntax/pe)
See: [Parameter expansion](https://web.archive.org/web/20230408142504/https://wiki.bash-hackers.org/syntax/pe)
```bash
str="/path/to/foo.cpp"
@ -364,7 +364,7 @@ fi
**Note**: `$@` and `$*` must be quoted in order to perform as described.
Otherwise, they do exactly the same thing (arguments as separate strings).
See [Special parameters](http://wiki.bash-hackers.org/syntax/shellvars#special_parameters_and_shell_variables).
See [Special parameters](https://web.archive.org/web/20230318164746/https://wiki.bash-hackers.org/syntax/shellvars#special_parameters_and_shell_variables).
Conditionals
------------
@ -809,7 +809,7 @@ read -n 1 ans # Just one character
| `$_` | Last argument of the previous command |
| `${PIPESTATUS[n]}` | return value of piped commands (array) |
See [Special parameters](http://wiki.bash-hackers.org/syntax/shellvars#special_parameters_and_shell_variables).
See [Special parameters](https://web.archive.org/web/20230318164746/https://wiki.bash-hackers.org/syntax/shellvars#special_parameters_and_shell_variables).
### Go to previous directory
@ -840,8 +840,8 @@ fi
## Also see
{: .-one-column}
* [Bash-hackers wiki](http://wiki.bash-hackers.org/) _(bash-hackers.org)_
* [Shell vars](http://wiki.bash-hackers.org/syntax/shellvars) _(bash-hackers.org)_
* [Bash-hackers wiki](https://web.archive.org/web/20230406205817/https://wiki.bash-hackers.org/) _(bash-hackers.org)_
* [Shell vars](https://web.archive.org/web/20230318164746/https://wiki.bash-hackers.org/syntax/shellvars) _(bash-hackers.org)_
* [Learn bash in y minutes](https://learnxinyminutes.com/docs/bash/) _(learnxinyminutes.com)_
* [Bash Guide](http://mywiki.wooledge.org/BashGuide) _(mywiki.wooledge.org)_
* [ShellCheck](https://www.shellcheck.net/) _(shellcheck.net)_