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I've been using cmake and creating a build folder for my cmake code and I want to easily cd to the build directory. I've been naming my build directory in this format:

/parent/codeandsuch

/parent/codeandsuch_build

I've tried the following alias in my bashrc but its not working. Ive copied the name of the current directory to a string, added _build to it and tried to cd but its not working. Any ideas? Thanks

alias cdbuild='DIR=${PWD##*/} || DIR = DIR + "_build"|| echo DIR || cd ../DIR'
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You can't concatenate strings with + in bash. Also you need to prepend a $ to the variable name to use its value. So, instead of:

DIR = DIR + "_build"

use:

DIR="${DIR}_build"

The whole thing becomes:

alias cdbuild='DIR=${PWD##*/} || DIR="${DIR}_build || echo "$DIR" || cd "../$DIR"'

Alternatively:

alias cdbuild='cd "$(pwd)_build"'
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  • Thanks, appreciate it. The alternative also is much more elegant than what I was trying
    – saphire121
    Jan 31, 2018 at 15:47

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