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Full Discussion: Script to list files not present in audio.txt file
Top Forums Shell Programming and Scripting Script to list files not present in audio.txt file Post 302539755 by gopikrish81 on Monday 18th of July 2011 02:39:42 PM
Old 07-18-2011
Quote:
Originally Posted by jim mcnamara
I don't thinjk the script you gave us will work. At all. However try this to find those missing:
Code:
#! /bin/sh                          
 
while read i 
do                  
  for j in p1.ul p2.ul j1.ul j2.ul r1.ul r2.ul  
  do
     [ ! -f ${i}/${j} ]  && echo "${i}/${j} is missing"   
  done
done < /root/audios/audio.txt
end

But hereyou have used
Quote:
for j in p1.ul p2.ul j1.ul j2.ul r1.ul r2.ul
Instead of hardcoding the filenames, is it possible to read them one by one from audio.txt and loop rather? Because there are many more files then I mentioned and its hard to hardcode each one of them..
 

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LEARN ABOUT MINIX

ppmtopgm

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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