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gb_bash: managing bash functions
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This library defines the `gb_load` bash function, that can be used
to load other bash scripts. The scripts will be found when they are
somewhere in any of the directories listed in the bash variable
`GB_PATH`. This variable contains one or more directories
seperated by columns (`:`), just like the usual `PATH` variable
the contains a list of directories that is searched when you try
to execute a program or script. In addition `gb_bash` provides
the `gb_addpath` command that makes it easy to create
a `GB_PATH` variable.

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Installation
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Get the `git` repository. Assuming you keep your git repos in ~/git then::

  cd ~/git
  git clone lilo.science.ru.nl:/vol/thchem/git/gb_bash
  # If you already have it, you may want to update it:
  git pull

Add the following to your `~/.bashrc` file::

  . ~/git/gb_boot.sh || echo "$0: ERROR: cannot load ~/git/gb_boot.sh"