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A new faq question and some minor documentation edits

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axel 2006-08-09 21:40:48 +10:00
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@ -493,7 +493,7 @@ shells allow you to specify a variable name using '$VARNAME' or
'${VARNAME}'. Fish supports the former, and has no support whatsoever '${VARNAME}'. Fish supports the former, and has no support whatsoever
for the latter or anything like it. So what is '{$VARNAME}' then? for the latter or anything like it. So what is '{$VARNAME}' then?
Well, '{WHATEVER}' is <a href='#brace'>brace expansion</a>, identical Well, '{WHATEVER}' is <a href='#brace'>brace expansion</a>, identical
to that supported by Posix shells, i.e. 'a{b,c}d' -> 'abd acd' works to that supported by e.g. bash. 'a{b,c}d' -> 'abd acd' works
both in bash and on fish. So '{$VARNAME}' is a bracket-expansion with both in bash and on fish. So '{$VARNAME}' is a bracket-expansion with
only a single element, i.e. it becomes expanded to '$VARNAME', which only a single element, i.e. it becomes expanded to '$VARNAME', which
will be variable expanded to the value of the variable 'VARNAME'. So will be variable expanded to the value of the variable 'VARNAME'. So
@ -2454,6 +2454,7 @@ DAMAGES.
- <a href='#faq-cd-implicit'>I accidentally entered a directory path and fish changed directory. What happened?</a> - <a href='#faq-cd-implicit'>I accidentally entered a directory path and fish changed directory. What happened?</a>
- <a href='#faq-open'>The open command doesn't work.</a> - <a href='#faq-open'>The open command doesn't work.</a>
- <a href='#faq-default'>How do I make fish my default shell?</a> - <a href='#faq-default'>How do I make fish my default shell?</a>
- <a href='#faq-titlebar'>I'm seeing weird output before each prompt when using screen. What's wrong?</a>
<hr> <hr>
@ -2525,6 +2526,34 @@ package manager), you first need to add fish to the list of shells by
executing the following command (assuming you installed fish in executing the following command (assuming you installed fish in
/usr/local) as root: /usr/local) as root:
\section faq-titlebar I'm seeing weird output before each prompt when using screen. What's wrong?
Quick answer:
Add
<pre>
function fish_title;end
</pre>
To your ~/.fish file. Problem solved.
The long answer:
Fish is trying to set the titlebar message of your terminal. While
screen itself supports this feature, your terminal does
not. Unfortuntaly, when the underlying terminal doesn't support
setting the titlebar, screen simply passes through the escape codes
and text to the underlying terminal instead of ignoring them. It is
impossible detect and resolve this problem from inside fish since fish
has no way of knowing what the underlying terminal type is. For now,
the only way to fix this is to unset the titlebar message, as
suggested above.
Note that fish has a default titlebar message, so simply unsetting the
fish_title function will not work.
<code>echo /usr/local/bin/fish >>/etc/shells</code> <code>echo /usr/local/bin/fish >>/etc/shells</code>
If you installed a prepackaged version of fish, the package manager If you installed a prepackaged version of fish, the package manager