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alvarow/bash-var-default-value.sh

Last active August 17, 2016 13:35
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Bash default value environment variable that can be overridden
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bash-var-default-value.sh
#!/bin/bash
: ${OVERRIDETHIS:="somedefault"}
echo ${OVERRIDETHIS}
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alvarow commented Aug 17, 2016

Sample output:

$ bash ./bash-var-default-value.sh 
somedefault

$ OVERRIDETHIS="overridden" bash ./bash-var-default-value.sh 
overridden

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