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Top Forums UNIX for Dummies Questions & Answers combine the values from the first two columns within a file Post 302530937 by Unilearn on Wednesday 15th of June 2011 11:33:44 AM
Old 06-15-2011
combine the values from the first two columns within a file

Hello everybody,

I have a text file containing 10,000 rows and 5000 columns. The values are separated by a tab.
Ex.

file_ex.ped
Code:
1 mike 0 0 2 1 A A G G C T A G 
1 jack 0 0 2 2 T A G T C A A C
1 Mary 0 0 1 2 A T G C A T G C
...

I would like a out put file
Code:
1 mike 0 0 2 1 AA GG CT AG
1 jack 0 0 2 2 TA GT CA AC
1 Mary 0 0 1 2 AT GC AT GC 
...

So, I want to merge 7th and 8th into 7th.... and 9th and 10th column to 8th column...and so on.

I am using cygwin to run UNIX or perl commands. Your valuable inputs are highly appreciated!

Thanks a lot

Last edited by Franklin52; 06-16-2011 at 04:47 AM.. Reason: Please use code tags
 

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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 v5.12.1 2007-11-08 Table(3)
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