86 lines
3.4 KiB
XML
86 lines
3.4 KiB
XML
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<?xml version="1.0" encoding='UTF-8'?>
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<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook V4.5//EN"
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"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd">
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<sect1 id="setup-files"><title>Customizing bash</title>
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<para>
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To set up bash so that cut and paste work properly, click on the
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"Properties" button of the window, then on the "Misc" tab. Make sure
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that "QuickEdit mode" and "Insert mode" are checked. These settings
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will be remembered next time you run bash from that shortcut. Similarly
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you can set the working directory inside the "Program" tab. The entry
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"%HOME%" is valid, but requires that you set <envar>HOME</envar> in
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the Windows environment.
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</para>
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<para>
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Your home directory should contain three initialization files
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that control the behavior of bash. They are
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<filename>.profile</filename>, <filename>.bashrc</filename> and
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<filename>.inputrc</filename>. The Cygwin base installation creates
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stub files when you start bash for the first time.</para>
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<para>
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<filename>.profile</filename> (other names are also valid, see the bash man
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page) contains bash commands. It is executed when bash is started as login
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shell, e.g. from the command <command>bash --login</command>.
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This is a useful place to define and
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export environment variables and bash functions that will be used by bash
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and the programs invoked by bash. It is a good place to redefine
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<envar>PATH</envar> if needed. We recommend adding a ":." to the end of
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<envar>PATH</envar> to also search the current working directory (contrary
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to DOS, the local directory is not searched by default). Also to avoid
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delays you should either <command>unset</command> <envar>MAILCHECK</envar>
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or define <envar>MAILPATH</envar> to point to your existing mail inbox.
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</para>
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<para>
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<filename>.bashrc</filename> is similar to
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<filename>.profile</filename> but is executed each time an interactive
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bash shell is launched. It serves to define elements that are not
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inherited through the environment, such as aliases. If you do not use
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login shells, you may want to put the contents of
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<filename>.profile</filename> as discussed above in this file
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instead.
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</para>
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<para>
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<screen>
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shopt -s nocaseglob
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</screen>
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will allow bash to glob filenames in a case-insensitive manner.
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Note that <filename>.bashrc</filename> is not called automatically for login
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shells. You can source it from <filename>.profile</filename>.
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</para>
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<para>
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<filename>.inputrc</filename> controls how programs using the readline
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library (including <command>bash</command>) behave. It is loaded
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automatically. For full details see the <literal>Function and Variable
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Index</literal> section of the GNU <systemitem>readline</systemitem> manual.
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Consider the following settings:
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<screen>
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# Ignore case while completing
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set completion-ignore-case on
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# Make Bash 8bit clean
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set meta-flag on
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set convert-meta off
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set output-meta on
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</screen>
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The first command makes filename completion case insensitive, which can
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be convenient in a Windows environment. The next three commands allow
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<command>bash</command> to display 8-bit characters, useful for
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languages with accented characters. Note that tools that do not use
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<systemitem>readline</systemitem> for display, such as
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<command>less</command> and <command>ls</command>, require additional
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settings, which could be put in your <filename>.bashrc</filename>:
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<screen>
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alias less='/bin/less -r'
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alias ls='/bin/ls -F --color=tty --show-control-chars'
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</screen>
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</para>
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</sect1>
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