variable man page on Inferno

variable man page on Inferno

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VARIABLE(9)							   VARIABLE(9)

NAME
       variable - interrogate a button variable

SYNOPSIS
       variable var ?value?

DESCRIPTION
       Variable	 queries or sets the value of a Tk radiobutton, checkbutton or
       choicebutton variable.  An error diagnostic will	 be  returned  if  the
       variable	 is  of	 the  wrong  type (if for instance it is the name of a
       named channel).

       If value is given, the value of the variable is set to that value,  and
       any  associated buttons will subsequently reflect this in their appear‐
       ance.  Omitting the value argument returns the  current	value  of  the
       variable.

       The  special  variable  lasterror  holds	 the text of the last Tk error
       encountered.  It resets when queried.

SEE ALSO
       checkbutton(9), choicebutton(9), radiobutton(9)

								   VARIABLE(9)

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