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document creating - abbreviation in FAQ

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Kurtis Rader 2017-02-08 13:22:47 -08:00
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doc_src/faq.hdr
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@ -23,6 +23,7 @@
- <a href='#faq-titlebar'>I'm seeing weird output before each prompt when using screen. What's wrong?</a> - <a href='#faq-titlebar'>I'm seeing weird output before each prompt when using screen. What's wrong?</a>
- <a href='#faq-greeting'>How do I change the greeting message?</a> - <a href='#faq-greeting'>How do I change the greeting message?</a>
- <a href='#faq-history'>Why doesn't history substitution ("!$" etc.) work?</a> - <a href='#faq-history'>Why doesn't history substitution ("!$" etc.) work?</a>
- <a href='#faq-cd-minus'>How to make `-` a shortcut for `cd -`?</a>
- <a href='#faq-uninstalling'>How do I uninstall fish?</a> - <a href='#faq-uninstalling'>How do I uninstall fish?</a>
- <a href='#faq-third-party'>Where can I find extra tools for fish?</a> - <a href='#faq-third-party'>Where can I find extra tools for fish?</a>
@ -183,7 +184,7 @@ Change the value of the variable `fish_greeting` or create a `fish_greeting` fun
set fish_greeting set fish_greeting
\endfish \endfish
<hr>
\section faq-history Why doesn't history substitution ("!$" etc.) work? \section faq-history Why doesn't history substitution ("!$" etc.) work?
Because history substitution is an awkward interface that was invented before interactive line editing was even possible. Fish drops it in favor of perfecting the interactive history recall interface. Switching requires a small change of habits: if you want to modify an old line/word, first recall it, then edit. E.g. don't type "sudo !!" - first press Up, then Home, then type "sudo ". Because history substitution is an awkward interface that was invented before interactive line editing was even possible. Fish drops it in favor of perfecting the interactive history recall interface. Switching requires a small change of habits: if you want to modify an old line/word, first recall it, then edit. E.g. don't type "sudo !!" - first press Up, then Home, then type "sudo ".
@ -202,6 +203,15 @@ Fish history recall is very simple yet effective:
See <a href='index.html#editor'>documentation</a> for more details about line editing in fish. See <a href='index.html#editor'>documentation</a> for more details about line editing in fish.
<hr>
\section faq-cd-minus How to make `-` a shortcut for `cd -`?
In fish versions prior to 2.5.0 it was possible to create a function named `-` that would do `cd -`. Changes in the 2.5.0 release included several bug fixes that enforce the rule that a bare hyphen is not a valid function (or variable) name. However, you can achieve the same effect via an abbreviation:
\fish{cli-dark}
abbr -a -- - 'cd -'
\endfish
<hr> <hr>
\section faq-uninstalling Uninstalling fish \section faq-uninstalling Uninstalling fish