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Full Discussion: Adding a columnfrom a specifit line number to a specific line number
Top Forums Shell Programming and Scripting Adding a columnfrom a specifit line number to a specific line number Post 302194090 by Ezy on Monday 12th of May 2008 08:01:51 AM
Old 05-12-2008
Java Adding a columnfrom a specifit line number to a specific line number
Hi,

I have a huge file & I want to add a specific text in column. But I want to add this text from a specific line number to a specific line number & another text in to another range of line numbers.

To be more specific: lets say my file has 1000 lines & 4 Columns. I want to add text "Hello" to 5th column but from line 1 to line 200. & I want to add another text "goodbye" to 5th column of the same file from line 201 to 800 & another text "live" again to 5th column to the same file from line 801 to 1000.

I know I can use sed to add a column to my file but I don't know how to tell sed to add this column to from line & to to line.


Code:
$ sed 's/\(.*\) \(.*\) \(.*\) \/\1 \2 \3 \  Desired string/' input > output

this will add my desired string to the 4th column in the right place but I don't know how to limit this to a specific range of lines.

May be there is a way to do it in sed or may be awk?

Any help will be very welcome.

Thanks in advance,
Ezy
 

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LEARN ABOUT REDHAT

ppmlabel

ppmlabel(1)						      General Commands Manual						       ppmlabel(1)

NAME

       ppmlabel - add text to a portable pixmap

SYNOPSIS

       ppmlabel [-angle angle] [-background transparent | colour] [-colour colour] [-file filename] [-size textsize] [-text 'text string'] [-x
		column] [-y row] ...  [ppmfile]

DESCRIPTION

       ppmlabel uses the text drawing facilities of ppmdraw to add text to a portable pixmap.  The location, size, baseline angle, colour  of  the
       text  and  background colour (if any) are controlled by command line arguments.	The text can be specified on the command line or read from
       files.  Any number of separate text strings can be added by one invocation of ppmlabel, limited only by the maximum length of  the  command
       line.

       If no ppmfile is specified, ppmdraw reads its input pixmap from standard input.

OPTIONS

       The  arguments  on the ppmlabel command line are not options in the strict sense; they are commands which control the placement and appear-
       ance of the text being added to the input pixmap.  They are executed left to right, and any number of arguments may appear.

       All flags can be abbreviated to their shortest unique prefix.

       -angle angle
		 Sets the angle of the baseline of subsequent text.  angle is specified as an integral number of degrees,  measured  counterclock-
		 wise from the row axis of the pixmap.

       -background transparent | colour
		 If  the argument is ``transparent'', text is drawn over the existing pixels in the pixmap.  If a colour is given (see the -colour
		 switch below for information on how to specify colours), rectangles enclosing subsequent text are filled with that colour.

       -colour colour
		 Sets the colour for subsequent text.  The colour can be specified in five ways:

		 o	A name, assuming that a pointer to an X11-style colour names file was compiled in.

		 o	An X11-style hexadecimal specifier: rgb:r/g/b, where r g and b are each 1- to 4-digit hexadecimal numbers.

		 o	An X11-style decimal specifier: rgbi:r/g/b, where r g and b are floating point numbers between 0 and 1.

		 o	For backwards compatibility, an old-X11-style hexadecimal number: #rgb, #rrggbb, #rrrgggbbb, or #rrrrggggbbbb.

		 o	For backwards compatibility, a triplet of numbers separated by commas: r,g,b, where r g and b are floating  point  numbers
			between 0 and 1.  (This style was added before MIT came up with the similar rgbi style.)

       -file filename
		 Reads text from the file filename and draws it on successive lines.

       -size textsize
		 Sets the height of the tallest characters above the baseline to textsize pixels.

       -text 'text string'
		 Draws	the  given text string (which must be quoted if it contains spaces).  The location for subsequent text is advanced by 1.75
		 times the current textsize, which allows drawing multiple lines of text in a reasonable manner without specifying the position of
		 each line.

       -x column Sets  the column at which subsequent text will be left justified.  Depending on the shape of the first character, the actual text
		 may begin a few pixels to the right of this point.

       -y row	 Sets the row which will form the baseline of subsequent text.	Characters with descenders, such as ``y'', will extend below  this
		 line.

BUGS

       Text strings are restricted to 7 bit ASCII.  The text font used by ppmdraw doesn't include definitions for 8 bit ISO 8859/1 characters.

       When  drawing  multiple lines of text with a non-transparent background, it should probably fill the space between the lines with the back-
       ground colour.  This is tricky to get right when the text is rotated to a non-orthogonal angle.

SEE ALSO

       ppmmake(1), ppm(5)

AUTHOR

						 Copyright (C) 1995 by John Walker (kelvin@fourmilab.ch)
							 WWW home page: http://www.fourmilab.ch/

       Permission to use, copy, modify, and distribute this software and its documentation for any purpose and	without  fee  is  hereby  granted,
       without any conditions or restrictions.	This software is provided ``as is'' without express or implied warranty.

								   14 June 1995 						       ppmlabel(1)
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