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doc: faq: avoid overwriting config.fish.
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In FAQ:

> I'm seeing weird output before each prompt when using screen. What's wrong?

The command provided is

    echo 'function fish_title;end' > ~/.config/fish/config.fish

Using `>` will overwrite current config.fish.

We should use `>>` instead.
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@weakish @ridiculousfish
weakish authored and ridiculousfish committed May 4, 2015
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Expand Up @@ -162,7 +162,7 @@ Quick answer:
Run the following command in fish:

\fish{cli-dark}
echo 'function fish_title;end' > ~/.config/fish/config.fish
echo 'function fish_title;end' >> ~/.config/fish/config.fish
\endfish

Problem solved!
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3 comments on commit cec1dc2

@KamilaBorowska
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I feel like it should instead point to funcsave, but that may be just me.

@ridiculousfish
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Good point. It might be shorter too: function fish_title; end; funcsave fish_title

@zanchey
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I've made that change in 1c99ef5 on the 2.2.0 branch.

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