Comments on snippet: 'Setting default value for BASH variable' Snipplr comments feed https://snipplr.com/ Sun, 19 Apr 2026 18:59:44 +0000 deepsoul said on 26/Jul/2009 https://snipplr.com/view/11080/setting-default-value-for-bash-variable <p>When the value is not to be assigned to a new variable, this can be abbreviated to: : ${var:=$default} : does nothing but evaluate its argument, which assigns the $default to $var if it is unset.</p> Sun, 26 Jul 2009 17:29:20 UTC https://snipplr.com/view/11080/setting-default-value-for-bash-variable