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Full Discussion: Stacking Columns
Top Forums Shell Programming and Scripting Stacking Columns Post 302783621 by Michael Stora on Wednesday 20th of March 2013 05:30:32 PM
Old 03-20-2013
Quote:
Originally Posted by Don Cragun
You didn't answer the key question. When we look at the first line in your input, how do we know which fields are headers and which fields are an indication are data from following lines are to be turned into headers. In your first example, you list headers (e, f, g, and h) and we're magically supposed to know to throw away those data values in the following lines. In your second example, you have the headers Label and Value and we're magically supposed to know to get column headers our of the following data.

Please give us a clear, concise statement of the transformation that is supposed to occur to produce the output you need from the input you have.

The two examples you have provided are COMPLETELY different problems.
I guess I could have been more clear in my first example, but the second example seems clear to me. The columns to stack are known ahead of time as are the stack parameter header label and value column label--no magic needed.

The desired transformation in the two examples is of the same type (note, I just fixed a small error in the first example, a missing value header).

Mike
Last edited by Michael Stora; 03-20-2013 at 06:43 PM..
 

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LEARN ABOUT SUSE

pfspad

pfspad(1)						      General Commands Manual							 pfspad(1)

NAME

       pfspad - Add borders to a frame in PFS stream

SYNOPSIS

       pfspad  [--left	<columns>]  [--right <columns>] [--top <rows>] [--bottom <rows>] [--width <new_width>] [--height <new_height>] [--R <val>]
       [--G <val>] [--B <val>] [--Y <val>] [--help]

DESCRIPTION

       Add borders to each frame in PFS stream. User specifies size of left, right, top and bottom border or size of an  output  image.  Color	of
       borders can be specified as well.

OPTIONS

       --left <columns>, -l <columns>
	      Width in pixels of the left border.

       --right <columns>, -r <columns>
	      Width in pixels of the right border.

       --top <rows>, -t <rows>
	      Height in pixels of the top border.

       --bottom <rows>, -b <rows>
	      Height in pixels of the bottom border.

       --width <new_width>, -W <new_width>
	      Width of an output image. Note that --width can be mixed with either --left or --right option.

       --height <new_height>, -H <new_height>
	      Height of an output image. Note that --height can be mixed with either --top or --bottom option.

       --R <val>, -R <val>, --G <val>, -G <val>, --B <val>, -B <val>
	      Color of borders in RGB mode. Default color is black, and if some of the components is not specified, its value is set to 0.0.

       --Y <val>, -Y <val>
	      Color of borders in luminance mode.

       --help, -h
	      Print a list of commandline options.

EXAMPLES

       pfsin image.hdr | pfspad --left 50 --bottom 20 | pfsout out.hdr
	      Add 50 columns to the left and 20 rows to the bottom side of image.hdr.  Color of borders is default black.

       pfsin image.hdr | pfspad --top 20 --height 500 --width 400 --R 1.0 | pfsout out.hdr
	      Add 20 rows to the top side of image.hdr and create output image out.hdr 500 pixels in height and 400 pixels in width. Color of bor-
	      ders is set to red.

SEE ALSO

       pfsin(1) pfsout(1)

BUGS

       Please report bugs and comments to Dorota Zdrojewska <dzdrojewska@wi.ps.pl>.

																	 pfspad(1)
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