02-16-2012
Remove last string from last line in a file
Hi,
I have a file like :
Quote:
"0000001"~"name"~"bb"~"20.25"~"0010"~"abc"~
"0000002"~"name"~"dd"~"35.50"~"25"~"x~xx"~
"0000003"~"name"~"aa"~"21.35"~"0056"~"ijk"~
.......................................
.......................................
.......................................
"0005550"~"name"~"k ~ k"~"21.35"~"0096"~"gdsj"~"05550"~
I want to remove last string in last line (here total string is "05550"~). And last line end with ~ character.
Output should be :
Quote:
"0000001"~"name"~"bb"~"20.25"~"0010"~"abc"~
"0000002"~"name"~"dd"~"35.50"~"25"~"x~xx"~
"0000003"~"name"~"aa"~"21.35"~"0056"~"ijk"~
.......................................
.......................................
.......................................
"0005550"~"name"~"k ~ k"~"21.35"~"0096"~"gdsj"~
Please help me
Thanks in advance
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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)