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_posts/2014-01-14-about-zshrc.html
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@ -10,7 +10,7 @@ commentIssueId: 5
<h3><a name="prepare" class="anchor" href="#prepare"><span class="octicon octicon-link"></span></a>Prepare</h2>
<p align="justify">First install recommended minima:</p>
<pre>pacman -Sy pkgfile zsh zsh-completions zsh-syntax-highlighting</pre>
<p align="justify"><a href="https://www.archlinux.org/packages/pkgfile/">pkgfile</a> is a very useful utility. Alo this command will install shell, additional completion and syntax highlighting.</p>
<p align="justify"><a href="https://www.archlinux.org/packages/pkgfile/">pkgfile</a> is a very useful utility. Also this command will install shell, additional completion and syntax highlighting.</p>
<h3><a name="configuration" class="anchor" href="#configuration"><span class="octicon octicon-link"></span></a>Shell configuration</h2>
<p align="justify">All options are avaible <a href="http://zsh.sourceforge.net/Doc/Release/Options.html">here</a>.</p>
@ -69,7 +69,7 @@ autoload zcalc</pre>
<pre># append history
setopt APPEND_HISTORY</pre>
<p align="justify">Do not save dups to history file:</p>
<pre># ignore dups in history
<pre># ignore spaces in history
setopt HIST_IGNORE_ALL_DUPS</pre>
<p align="justify">...and additional spaces:</p>
<pre># ignore dups in history
@ -82,7 +82,7 @@ setopt HIST_REDUCE_BLANKS</pre>
source /usr/share/doc/pkgfile/command-not-found.zsh</pre>
<h3><a name="highlighting" class="anchor" href="#highlighting"><span class="octicon octicon-link"></span></a>Syntax highlighting</h2>
<div class="codeblock"># highlighting
<pre># highlighting
source /usr/share/zsh/plugins/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh
ZSH_HIGHLIGHT_HIGHLIGHTERS=(main brackets pattern)
# brackets
@ -125,12 +125,12 @@ ZSH_HIGHLIGHT_STYLES[double-quoted-argument]='fg=yellow'
# pattern example
#ZSH_HIGHLIGHT_PATTERNS+=('rm -rf *' 'fg=white,bold,bg=red')
# root example
#ZSH_HIGHLIGHT_STYLES[root]='bg=red'</div>
#ZSH_HIGHLIGHT_STYLES[root]='bg=red'</pre>
<p align="justify">In first line highlighting is turned on. Next main, brackets and pattern highlighting are turned on. Patterns are set below (<code>rm -rf *</code> in the example). Also <code>root</code> and <code>cursor</code> highlighting may be turned on. Colors syntax is understandable, <code>fg</code> is font color, <code>bg</code> is background color.</p>
<h3><a name="prompt" class="anchor" href="#prompt"><span class="octicon octicon-link"></span></a>$PROMPT and $RPROMPT</h2>
<p align="justify">The general idea is the use single <code>.zshrc</code> for root and normal user:</p>
<div class="codeblock"># PROMPT && RPROMPT
<pre># PROMPT && RPROMPT
if [[ $EUID == 0 ]]; then
# [root@host dir]#
PROMPT="%{$fg_bold[white]%}[%{$reset_color%}\
@ -147,9 +147,9 @@ else
%{$fg_no_bold[green]%}%m %{$reset_color%}\
%{$fg_bold[yellow]%}%1/%{$reset_color%}\
%{$fg_bold[white]%}]$ %{$reset_color%}"
fi</div>
fi</pre>
<p align="justify"><code>fg</code> is font color, <code>bg</code> is background color. <code>\_bold</code> and <code>\_no_bold</code> regulate the tint. Commands should be in <code>%{ ... %}</code> so they do not appear. Avaible colors are:</p>
<p align="justify"><code>fg</code> is font color, <code>bg</code> is background color. <code>_bold</code> and <code>_no_bold</code> regulate the tint. Commands should be in <code>%{ ... %}</code> so they do not appear. Avaible colors are:</p>
<pre>black
red
green
@ -160,7 +160,7 @@ cyan
white</pre>
<p align="justify">Avaible variables are:</p>
<div class="codeblock">%n - the username
<pre>%n - the username
%m - the computer's hostname (truncated to the first period)
%M - the computer's hostname
%l - the current tty
@ -171,10 +171,10 @@ white</pre>
%D - system date(YY-MM-DD)
%d - the current working directory
%~ - the same as %d but if in $HOME, this will be replaced by ~
%1/ - the same as %d but only last directory</div>
%1/ - the same as %d but only last directory</pre>
<p align="justify">RPROMPT (<code>acpi</code> package is necessary):</p>
<div class="codeblock">precmd () {
<pre>precmd () {
# battery charge
function batcharge {
bat_perc=`acpi | awk {'print $4;'} | sed -e "s/\s//" -e "s/%.*//"`
@ -195,7 +195,7 @@ white</pre>
$(batcharge)\
"%{$fg_bold[white]%}[%{$reset_color%}"\
$returncode\
"%{$fg_bold[white]%}]%{$reset_color%}"</div>
"%{$fg_bold[white]%}]%{$reset_color%}"</pre>
<p align="justify">My RPROMPT shows current time, battery change and last returned code. <code>precmd()</code> is necessary for automatic updating. The construct <code>$(if.true.false)</code> is conditional statement in <code>zsh</code>.</p>
<h3><a name="aliases" class="anchor" href="#aliases"><span class="octicon octicon-link"></span></a>Aliases</h2>
@ -208,7 +208,7 @@ $returncode\
}</pre>
<p align="justify">Here is the first group of aliases:</p>
<div class="codeblock">## alias
<pre>## alias
# colored grep
alias grep='grep --colour=auto'
# change top to htop
@ -224,7 +224,7 @@ alias du='show_which du && du -k --total --human-readable'
alias less='vimpager'
alias zless='vimpager'
# more interactive rm
alias rm='show_which rm && rm -I'</div>
alias rm='show_which rm && rm -I'</pre>
<p align="justify">Here are ls aliases (see <a href="http://unixhelp.ed.ac.uk/CGI/man-cgi?ls">man ls</a>):</p>
<pre>alias ls='show_which ls && ls --color=auto'
@ -246,7 +246,7 @@ autoload -U pick-web-browser
alias -s {html,htm}=opera</pre>
<p align="justify">Here are "sudo" aliases:</p>
<div class="codeblock"># sudo alias
<pre># sudo alias
if [[ $EUID == 0 ]]; then
alias fat32mnt='show_which fat32mnt && mount -t vfat -o codepage=866,iocharset=utf8,umask=000'
alias synctime='show_which synctime && { ntpd -qg; hwclock -w; date; }'
@ -264,7 +264,7 @@ else
alias rmmod='show_which rmmod && sudo rmmod'
alias staging-i686-build='show_which staging-i686-build && sudo staging-i686-build'
alias staging-x86_64-build='show_which staging-x86_64-build && sudo staging-x86_64-build'
fi</div>
fi</pre>
<p align="justify">Here are global aliases. If they are enable the command <code>cat foo g bar</code> will be equivalent the command <code>cat foo | grep bar</code>:</p>
<pre># global alias
@ -277,7 +277,7 @@ alias -g dn="&> /dev/null &"</pre>
<h3><a name="functions" class="anchor" href="#functions"><span class="octicon octicon-link"></span></a>Functions</h2>
<p align="justify">Here is a special function for <code>xrandr</code>:</p>
<div class="codeblock"># function to contorl xrandr
<pre># function to contorl xrandr
# EXAMPLE: projctl 1024x768
projctl () {
if [ $1 ] ; then
@ -296,10 +296,10 @@ projctl () {
echo "Using default resolution"
xrandr --output VGA1 --mode 1366x768 --output LVDS1 --mode 1366x768
fi
}</div>
}</pre>
<p align="justify">Unfortunately I can not remember <code>tar</code> flags thus I use special functions:</p>
<div class="codeblock"># function to extract archives
<pre># function to extract archives
# EXAMPLE: unpack file
unpack () {
if [[ -f $1 ]]; then
@ -347,10 +347,10 @@ pack () {
else
echo "'$1' is not a valid file"
fi
}</div>
}</pre>
<p align="justify">Here is a special function for <code>su</code>:</p>
<div class="codeblock">su () {
<pre>su () {
checksu=0
for flags in $*; do
if [[ $flags == "-" ]]; then
@ -363,19 +363,19 @@ pack () {
else
/usr/bin/su $*
fi
}</div>
}</pre>
<p align="justify">Functions with automatic rehash after installing/removing packages are:</p>
<div class="codeblock">pacman () {
/usr/bin/sudo /usr/bin/pacman $* && echo "$*" | grep -q "S\\|R\\|U" && rehash
<pre>pacman () {
/usr/bin/sudo /usr/bin/pacman $* && echo "$*" | grep -q "S\|R\|U" && rehash
}
yaourt () {
/usr/bin/yaourt $* && echo "$*" | grep -q "S\\|R\\|U" && rehash
/usr/bin/yaourt $* && echo "$*" | grep -q "S\|R\|U" && rehash
}
# for testing repo
yatest () {
/usr/bin/yaourt --config /etc/pactest.conf $* && echo "$*" | grep -q "S\\|R\\|U" && rehash
}</div>
/usr/bin/yaourt --config /etc/pactest.conf $* && echo "$*" | grep -q "S\|R\|U" && rehash
}</pre>
<p align="justify">But autocomplete for <code>yaourt -Ss</code> <a href="https://github.com/zsh-users/zsh-completions/pull/205">will require</a> root privileges.</p>
<h3><a name="variables" class="anchor" href="#variables"><span class="octicon octicon-link"></span></a>Variables</h2>