[78b3cd61] | 1 | <sect1 id="postlfs-config-vimrc" xreflabel="/etc/vimrc, ~/.vimrc">
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[bae6e15] | 2 | <?dbhtml filename="vimrc.html"?>
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[f45b1953] | 3 | <title>/etc/vimrc, ~/.vimrc</title>
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| 4 |
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[78b3cd61] | 5 | <para>The <acronym>LFS</acronym> book installs
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| 6 | <application>vim</application> as its editor. At this point we should
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[f45b1953] | 7 | state that there are a <emphasis>lot</emphasis> of different editors out
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[78b3cd61] | 8 | there including <application>emacs</application>,
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| 9 | <application>nano</application>, <application>joe</application> and many
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| 10 | more. Anyone who has been around the Internet (especially usenet) for a
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| 11 | short time will certainly have observed at least one flame war, usually
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| 12 | involving <application>vim</application> and
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| 13 | <application>emacs</application> users!</para>
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| 14 |
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| 15 | <para>The <acronym>LFS</acronym> book gives a basic <filename>vimrc
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| 16 | </filename> file. Here, we attempt to enhance this file. At startup,
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| 17 | <command>vim</command> reads <filename>/etc/vimrc</filename> and
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| 18 | <filename>~/.vimrc</filename> (i.e., the global
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| 19 | <filename>vimrc</filename> and the user-specific one.). Note that this is
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| 20 | only true if you compiled <application>vim</application> using
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| 21 | <acronym>LFS</acronym>-3.1 onwards. Prior to this,
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| 22 | the global <filename>vimrc</filename> was <filename>/usr/share/vim/vimrc
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| 23 | </filename>.</para>
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| 24 |
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| 25 | <para>Here is a slightly expanded <filename>vimrc</filename> that you can
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| 26 | put in <filename>/etc/vimrc</filename> to provide global effect. Of course, if
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[cfc2a54] | 27 | you put it into <filename>/etc/skel/.vimrc</filename> instead, it will
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| 28 | be made available to users you add to the system later. You can also copy
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| 29 | the file from <filename>/etc/skel/.vimrc</filename> to
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| 30 | <filename>/etc/vimrc</filename> and the home directory of users already
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| 31 | on the system, like root. Be sure to set permissions, owner and group if
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| 32 | you do copy anything directly from <filename>/etc/skel</filename>.</para>
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[f45b1953] | 33 |
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[c442d19] | 34 | <screen>" Begin .vimrc
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[f45b1953] | 35 |
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[1cae4b1] | 36 | set nocompatible
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[f45b1953] | 37 | set bs=2
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[36ae4612] | 38 | set columns=80
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[f45b1953] | 39 | set background=dark
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[36ae4612] | 40 | set wrapmargin=8
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[f45b1953] | 41 | syntax on
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| 42 | set ruler
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| 43 |
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[c442d19] | 44 | " End .vimrc</screen>
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[f45b1953] | 45 |
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[78b3cd61] | 46 | <para>A <acronym>FAQ</acronym> on the lfs mailing lists regards the
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| 47 | comment tags in <filename>vimrc</filename>. Note that they are " instead
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| 48 | of the more usual # or //. This is correct, the syntax for <filename>vimrc
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| 49 | </filename> is slightly unusual.</para>
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[f45b1953] | 50 |
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| 51 | <para>We'll run through a quick explanation of what each of the
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| 52 | options in this example file means here:</para>
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| 53 | <itemizedlist>
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| 54 |
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[1cae4b1] | 55 | <listitem><para><option>set nocompatible</option> : This option
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| 56 | stops <command>vim</command> from behaving in a strongly <command>vi
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| 57 | </command>-compatible way. It should be at the start of any <filename>vimrc
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| 58 | </filename> file as it can affect lots of other options which you may want to
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| 59 | override.</para></listitem>
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| 60 |
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[2df36e4] | 61 | <listitem><para><option>set bs=2</option>: This influences the behavior
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[3df86b66] | 62 | of the backspace option. It is fairly complex so see <command>:help 'bs'
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| 63 | </command> for more details.</para></listitem>
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[f45b1953] | 64 |
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[2df36e4] | 65 | <listitem><para><option>set columns=80</option>: This simply sets the
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[78b3cd61] | 66 | number of columns used on the screen.</para></listitem>
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[f45b1953] | 67 |
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[2df36e4] | 68 | <listitem><para><option>set background=dark</option>: This tells
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[78b3cd61] | 69 | <command>vim</command> to use colors which look good on a dark
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[f45b1953] | 70 | background.</para></listitem>
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| 71 |
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[2df36e4] | 72 | <listitem><para><option>set wrapmargin=8</option>: This is the number of
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[36ae4612] | 73 | characters from the right window border where wrapping starts.</para>
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| 74 | </listitem>
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| 75 |
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[2df36e4] | 76 | <listitem><para><option>syntax on</option>: Enables
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[78b3cd61] | 77 | <command>vim</command>'s syntax highlighting.</para></listitem>
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[f45b1953] | 78 |
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[2df36e4] | 79 | <listitem><para><option>set ruler</option>: This makes <command>vim
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[78b3cd61] | 80 | </command> show the current row and column at the bottom right of
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[f45b1953] | 81 | the screen.</para></listitem>
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| 82 |
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| 83 |
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| 84 | </itemizedlist>
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| 85 |
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[78b3cd61] | 86 | <para>More information on the <emphasis>many</emphasis> <command>vim</command>
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| 87 | options can be found by reading the help inside <command>vim</command> itself.
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[3df86b66] | 88 | Do this by typing <command>:</command><option>help</option> in
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[78b3cd61] | 89 | <command>vim</command> to get the general help, or by typing <command>:
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[3df86b66] | 90 | </command><option>help usr_toc.txt</option> to view
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[78b3cd61] | 91 | the User Manual Table of Contents.</para>
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[f45b1953] | 92 |
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| 93 | </sect1>
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| 94 |
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