Difference between revisions of "Package:Bash"

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This is the ebuild for <tt>bash</tt>, the standard shell for Funtoo Linux systems.
This is the ebuild for <tt>bash</tt>, the standard shell for Funtoo Linux systems.
'''Bash''' is the GNU Project's ''Bourne Again SHell'', a complete implementation of the IEEE POSIX and Open Group shell specification with interactive command line editing, job control on architectures that support it, csh-like features such as history substitution and brace expansion, and a slew of other features. [http://tiswww.case.edu/php/chet/bash/bashtop.html]


== Learning Bash ==
== Learning Bash ==
Line 10: Line 12:
The following articles, written originally for IBM developerWorks by Daniel Robbins, serve as an excellent introduction to the bash shell:
The following articles, written originally for IBM developerWorks by Daniel Robbins, serve as an excellent introduction to the bash shell:


* [[Bash by_Example, Part 1]]
* [[Bash by Example, Part 1]]
* [[Bash by_Example, Part 2]]
* [[Bash by Example, Part 2]]
* [[Bash by_Example, Part 3]]
* [[Bash by Example, Part 3]]
 
== Moving on Command Line ==
 
{|class="table table-striped"
|| Shortcut || Description
|-
|| <code>Tab</code> || Autocomplete
|-
|| <code>Ctrl + r</code> || Search as you type from lastlog
|-
|| <code>Ctrl + a</code> || Move to the start of line
|-
|| <code>Ctrl + e</code> || Move to the end of line
|-
|| <code>Ctrl + k</code> || Cut from cursor to the end of line
|-
|| <code>Ctrl + w</code> || Cut from cursor to the previous whitespace
|-
|| <code>Ctrl + c</code> || Clear line
|-
|| <code>Ctrl + l</code> || Clear screen
|-
||<code>Alt + f</code> || Move one word forward
|-
|| <code>Alt + b</code> || Move one word backwards
|-
|| <code>Alt + d</code> || Cut from cursor to the end of word
|-
|| <code>Alt + backspace</code> || Cut from cursor to the start of word
 
|}
 
== Bash Completion ==
See [[Package:Bash completion|bash completion page]].
 
== Configuration Files ==
=== ~/.bashrc ===
<code>~/.bashrc</code> gets loaded on bash startup. You can source files, put aliases, functions and export variables there.
{{file|name=~/.bashrc|lang=bash|desc=bash runtime configuration|body=
source /etc/profile.d/bash-completion.sh
 
export EDITOR="vim"
 
alias mv='mv -v'
alias cp='cp -v'
alias rm='rm -v'
 
alias e='emerge'
alias eu='emerge -uavDN --with-bdeps=y @world'
 
alias used='cat  ~/.bash_history {{!}} sort {{!}} uniq -c {{!}} sort -n'
 
calculator() {
        echo "$@" {{!}} bc
}
}}
 
{{EbuildFooter}}
{{EbuildFooter}}

Revision as of 17:02, October 3, 2014

Bash

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This is the ebuild for bash, the standard shell for Funtoo Linux systems.

Bash is the GNU Project's Bourne Again SHell, a complete implementation of the IEEE POSIX and Open Group shell specification with interactive command line editing, job control on architectures that support it, csh-like features such as history substitution and brace expansion, and a slew of other features. [1]

Learning Bash

The following articles, written originally for IBM developerWorks by Daniel Robbins, serve as an excellent introduction to the bash shell:

Moving on Command Line

Shortcut Description
Tab Autocomplete
Ctrl + r Search as you type from lastlog
Ctrl + a Move to the start of line
Ctrl + e Move to the end of line
Ctrl + k Cut from cursor to the end of line
Ctrl + w Cut from cursor to the previous whitespace
Ctrl + c Clear line
Ctrl + l Clear screen
Alt + f Move one word forward
Alt + b Move one word backwards
Alt + d Cut from cursor to the end of word
Alt + backspace Cut from cursor to the start of word

Bash Completion

See bash completion page.

Configuration Files

~/.bashrc

~/.bashrc gets loaded on bash startup. You can source files, put aliases, functions and export variables there.

   ~/.bashrc (bash source code) - bash runtime configuration
source /etc/profile.d/bash-completion.sh

export EDITOR="vim"

alias mv='mv -v'
alias cp='cp -v'
alias rm='rm -v'

alias e='emerge'
alias eu='emerge -uavDN --with-bdeps=y @world'

alias used='cat  ~/.bash_history | sort | uniq -c | sort -n'

calculator() {
        echo "$@" | bc
}