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Full Discussion: export / import
Top Forums Shell Programming and Scripting export / import Post 302502568 by methyl on Tuesday 8th of March 2011 10:16:31 AM
Old 03-08-2011
Further to panyam
Quote:
. smallscript1.sh
The way you call smallscript.sh is important.
The dot-space-scriptname causes smallscript.sh to execute within the environment of callscript.sh. Thus any environment variables exported by smallscript.sh are available to smallscript2.sh .

Just noticed: There is a bug in smallscript2.sh
Quote:
mv run5.txt /home/dir1/$f1_5.prt
An underscore is a valid character in a variable name. We need curly brackets to tell Shell where the variable name stops!
Code:
mv  run5.txt   /home/dir1/${f1}_5.prt


Last edited by methyl; 03-08-2011 at 11:20 AM.. Reason: Just noticed...
This User Gave Thanks to methyl For This Post:
 

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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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