Difference between revisions of "Bash snippets"

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__TOC__
 
__TOC__
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=== Prompts ===
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<source lang="Bash">
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export PS1='\[\033[0;32m\][\[\033[0;31m\]\u@\h \[\033[0;34m\]\w \[\033[0;33m\]$?\[\033[0;32m\]]\n\[\033[0m\]\$\[\033[0m\] '
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</source>
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Output (modulo colours):
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<pre>
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[vegard@t460 ~ 0]
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$
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</pre>
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See also: http://man7.org/linux/man-pages/man1/bash.1.html#PROMPTING
  
 
=== Adding to the search path ===
 
=== Adding to the search path ===

Revision as of 22:28, 13 December 2019

Prompts

export PS1='\[\033[0;32m\][\[\033[0;31m\]\u@\h \[\033[0;34m\]\w \[\033[0;33m\]$?\[\033[0;32m\]]\n\[\033[0m\]\$\[\033[0m\] '

Output (modulo colours):

[vegard@t460 ~ 0]
$ 

See also: http://man7.org/linux/man-pages/man1/bash.1.html#PROMPTING

Adding to the search path

# https://stackoverflow.com/a/9631350/1697183
export LD_LIBRARY_PATH="/foo/bar${LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH}"

This is more secure than plain appending, which can create empty components (e.g. a trailing ":") which are interpreted as "current directory" and lead to DLL search order hijacking.