~drscream

bash variable set default value

Yeaaa :-) Yesterday i've found a nice way to set an default value for bash variables.
I use this way if parameter 1 isn't assigned by the user. Here a small example:
ip=${1-'10.1.1.1'}

If $1 isn't assigned by the user the default 10.1.1.1 is set as value of $ip.


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