bash - whiptail - window resize -


i'm using whiptail menu based tool. i'm able set display current window on start :

window=$(stty -a | tr \; \\012 |egrep 'rows|columns' | cut '-d ' -f3)  whiptail --title "multinode main menu" --menu "\n\n\n\n\n\n\n\n" --nocancel  $window 20   ...

but content scrumbles when resize window. there way avoid when using whiptail ?

as per this wikipedia link,

eval `resize` whiptail ... $lines $columns $(( $lines - 8 )) ...

explanation: resize command identifies current dimensions (lines , columns) of current window , sets 2 environment variables lines , columns. eval block helps set these 2 env variables in shell underwhich whiptail command running. way whiptail receives $lines , $columns variables.

this set right dimensions whiptail ui.


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