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Top Forums Shell Programming and Scripting Finding a text in files & replacing it with unique strings Post 302762205 by gordom on Monday 28th of January 2013 08:35:13 AM
Old 01-28-2013
Quote:
Originally Posted by bakunin
First off, could you PLEASE stay away from the text formatting!
Sorry for that - it was unintentionally. I pasted a text from word processor - my mistake. The original post was already corrected.

Quote:
Originally Posted by bakunin
In this case the interpretable command would be "pattern1=abc" and "def" and "geh" would be treated as (indecipherable) other commands, which perhaps leads to some error message, in addition to "pattern1" not having the value you expect it to have.
That exactly what was happening.

Quote:
Originally Posted by bakunin
Code:
while IFS=";" read file pattern replacement ; do
     sed "s/${pattern}/${replacement}/" "$file" > tmpfile
     mv tmpfile "$file"
done

Quote:
Originally Posted by RudiC
Little to add to bakunin's explanations, except for the data source to read from: redirect input of the entire loop to your file.csv:... done < file.csv
In the end, thanks everyone for help. Specially bakunin & RudiC - the script seems to work perfect now. Great Smilie
Regards,
gordom
 

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ppmtopgm(1)                                                   General Commands Manual                                                  ppmtopgm(1)

NAME
ppmtopgm - convert a portable pixmap into a portable graymap SYNOPSIS
ppmtopgm [ppmfile] DESCRIPTION
Reads a portable pixmap as input. Produces a portable graymap as output. The output is a "black and white" rendering of the original image, as in a black and white photograph. The quantization formula used is .299 r + .587 g + .114 b. Note that although there is a pgmtoppm program, it is not necessary for simple conversions from pgm to ppm , because any ppm program can read pgm (and pbm ) files automatically. pgmtoppm is for colorizing a pgm file. Also, see ppmtorgb3 for a different way of converting color to gray. And ppmdist generates a grayscale image from a color image, but in a way that makes it easy to differentiate the original colors, not necessarily a way that looks like a black and white photograph. QUOTE
Cold-hearted orb that rules the night Removes the colors from our sight Red is gray, and yellow white But we decide which is right And which is a quantization error. SEE ALSO
pgmtoppm(1),ppmtorgb3(1),rgb3toppm(1),ppmdist(1),ppm(5),pgm(5) AUTHOR
Copyright (C) 1989 by Jef Poskanzer. 10 April 2000 ppmtopgm(1)
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