Perl:Read single value from text file and assign to variable


 
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# 8  
Old 02-11-2010
The following has finally worked for me now
open FH,"file.txt";
my $voxelValue;
while(<FH>) { $voxelValue = $2 if /(VOXELVALUESMAX=)(.*)/; }
close FH;
print "$voxelValue\n";

thanks a lot everyone for your very prompt responses.
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DXmCreateScrolledCSText(3X)											       DXmCreateScrolledCSText(3X)

NAME
DXmCreateScrolledCSText - Creates a compound string text widget with scroll bars. SYNOPSIS
Widget DXmCreateScrolledCSText( Widget parent, char *name, Args *args, Cardinal num_args ); PARAMETERS
The identifier (widget ID) of the parent widget. The name of the created widget. The application override argument list. The number of arguments in the application override argument list. DESCRIPTION
The DXmCreateScrolledCSText routine creates a compound string text widget with scroll bars. The routine uses the same arguments and resources as the DXmCreateCSText routine to create a compound string text widget but uses the following resources to create horizontal and vertical scroll bars for the widget as well: ------------------------------------------------------------------- Resource Description ------------------------------------------------------------------- XmNscrollHorizontal Controls whether a scroll bar that allows the user to scroll through text horizontally is added to the compound string text window. XmNscrollTopSide Controls whether the horizontal scroll bar is positioned at the top of the compound string text window. XmNscrollVertical Controls whether a scroll bar that allows the user to scroll through text vertically is added to the compound string text window. XmNscrollLeftSide Controls whether the vertical scroll bar is placed on the left side of the compound string text window. ------------------------------------------------------------------- Inherited Resources The DXmCreateScrolledCSText routine inherits behaviour and resources from the following superclasses: Core Resource Set XmPrimitive Resource Set DXmScrolledCSText Resource Set RETURN VALUES
The identifier (widget ID) of the created compound string text widget. SEE ALSO
DXmCreateCSText(3X) DXmCreateScrolledCSText(3X)