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Full Discussion: printing arrays
Top Forums UNIX for Dummies Questions & Answers printing arrays Post 3682 by morkfard on Monday 9th of July 2001 03:35:01 PM
Old 07-09-2001
CPU & Memory RE: solution

Disregard the below solution. It does not work. I am still working on this problem. Any ideas??

The array variable name includes "table" and the value of another variable, $row (thus, table$row). This variable is an array with $col number of elements.

The erroneous command:

echo ${table$row[$col]}

The problem:
The shell attempts substitution, which is not the desired outcome. I want to echo the value of the array element.

The solution:

echo $(table$row[$col])

This command prints to the terminal the value of the $col element in the table$row variable.

Smilie Smilie Smilie

Last edited by morkfard; 07-09-2001 at 07:59 PM..
 

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Table(3)						User Contributed Perl Documentation						  Table(3)

NAME
Tk::Table - Scrollable 2 dimensional table of Tk widgets SYNOPSIS
use Tk::Table; $table = $parent->Table(-rows => number, -columns => number, -scrollbars => anchor, -fixedrows => number, -fixedcolumns => number, -takefocus => boolean); $widget = $table->Button(...); $old = $table->put($row,$col,$widget); $old = $table->put($row,$col,"Text"); # simple Label $widget = $table->get($row,$col); $cols = $table->totalColumns; $rows = $table->totalRows; $table->see($widget); $table->see($row,$col); ($row,$col) = $table->Posn($widget); DESCRIPTION
Tk::Table is an all-perl widget/geometry manager which allows a two dimensional table of arbitary perl/Tk widgets to be displayed. Entries in the Table are simply ordinary perl/Tk widgets. They should be created with the Table as their parent. Widgets are positioned in the table using: $table->put($row,$col,$widget) If $widget is not a reference it is treated as a string, and a Lable widget is created with the string as its text. All the widgets in each column are set to the same width - the requested width of the widest widget in the column. Likewise, all the widgets in each row are set to the same height - the requested height of the tallest widget in the column. A number of rows and/or columns can be marked as 'fixed' - and so can serve as 'headings' for the remainder the rows which are scrollable. The requested size of the table as a whole is such that the number of rows specified by -rows (default 10), and number of columns specified by -columns (default 10) can be displayed. If the Table is told it can take the keyboard focus then cursor and scroll keys scroll the displayed widgets. The Table will create and manage its own scrollbars if requested via -scrollbars. The table can be emptied using $table->clear the widgets which were in the table are destroyed. The Tk::Table widget is derived from a Tk::Frame, so inherits all its configure options. BUGS
/ Snags / Possible enhancements o Very large Tables consume a lot of X windows. o No equivalent of pack's -anchor/-pad etc. options SEE ALSO
Tk::grid, Tk::HList, Tk::TableMatrix, Tk::MListbox, Tk::Columns perl v5.16.3 2014-06-10 Table(3)
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