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Setting Your $CDPATH in bash
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Setting Your $CDPATH in bash

InfinityCoder April 5, 2017

You want to make it easier to switch between several directories in various locations.

Set your $CDPATH appropriately. Your commonly used directories will likely be unique, so for a contrived example, suppose you spend a lot of time working with init’s rc directories:

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/home/jp$ cd rc3.d
bash: cd: rc3.d: No such file or directory
 
/home/jp$ export CDPATH='.:/etc'
/home/jp$ cd rc3.d
 
/etc/rc3.d
/etc/rc3.d$ cd rc5.d
 
/etc/rc5.d
/etc/rc5.d$
 
/etc/rc5.d$ cd games
bash: cd: games: No such file or directory
 
/etc/rc5.d$ export CDPATH='.:/etc:/usr'
 
/etc/rc5.d$ cd games
/usr/games
 
/usr/games$

According to the bash Reference, $CDPATH is “a colon-separated list of directories used as a search path for the cd built-in command.”

Think of it as $PATH for cd. It’s a little subtle, but can be very handy.
If the argument to cd begins with a slash, $CDPATH will not be used. If $CDPATH is used,
the absolute pathname to the new directory is printed to STDOUT, as in the example above.

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