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BennettSmith/experiment.sh

Created April 25, 2013 03:23
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Experiment to verify conditional assignment of a default value for DOXYGEN environment variable.
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experiment.sh
#!/bin/bash
DOXYGEN=${DOXYGEN-/Applications/Doxygen.app/Contents/Resources/doxygen}
echo ${DOXYGEN}
@BennettSmith
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Here is some sample output from running the script in the two modes (without overriding the value of DOXYGEN and with an override).

$ ./experiment.sh
/Applications/Doxygen.app/Contents/Resources/doxygen
$ DOXYGEN=foobar ./experiment.sh
foobar

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