11-05-2011
PERL : Read an array and write to another array with intial string pattern checks
I have an array and two variables as below,
Quote:
@values = ("2011_11_05", "2011_11_04" , "2011_11_03");
my $filename = 'abc_yyyy_mm_dd';
my $datevar ='yyyy_mm_dd';
I need to check if $datevar is present in $filename.
If so, i need to replace $filename with the values in the array.
Quote:
output needed:
abc_2011_11_05
abc_2011_11_04
abc_2011_11_03
I need the output inside an ARRAY
How can this be done.
Any help will be appreciated. Thanks in advance.
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LEARN ABOUT OSF1
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)