Hi,
I am a newbie to shell scripting, and I have a file which quite large which I would like to delete lines at certain places. I want to search for a keyword which is recurring in the file. When matched I would like to delete the line. And when the file was so huge I thought I ought to learn... (3 Replies)
Input:
a
b
b
c
d
d
I need:
a
c
I know how to get this (the lines that have duplicates) :
b
d
sort file | uniq -d
But i need opossite of this. I have searched the forum and other places as well, but have found solution for everything except this variant of the problem. (3 Replies)
Hi All,
I have a file with 3 columns (Bank Name, Account Number and Amount). My requirement, I need to delete lines using Unix Shell script:
1. Which are having Alphanumeric characters in Account Number (eg. Line3).
2. Which are having 0.00 in amount. (eg. Line4)
3. And also I need to... (4 Replies)
Hi Experts,
I have a file in the below given format. First two lines are header and Trailer. Rest all are transaction Lines. I have to delete all other lines except first line (Header) and lines which contains 5000 in 1st column and 0 in 5th column.
Can anyone please kindly provide me with... (6 Replies)
Hi Experts,
I have a file format as mentioned below. I would like to have unix script (HP Unix) which can:
1. Remove first 6 and last 3 lines.
2. Delete the lines where 3rd column having Alpha Numeric Number
3. Delete the lines where 4th column having 0.00
4. Calculate the sum of all the... (16 Replies)
Hi All,
I have a very huge file (4GB) which has duplicate lines. I want to delete duplicate lines leaving unique lines. Sort, uniq, awk '!x++' are not working as its running out of buffer space.
I dont know if this works : I want to read each line of the File in a For Loop, and want to... (16 Replies)
Discussion started by: krishnix
16 Replies
LEARN ABOUT DEBIAN
ppmimgvquant
PPMIMGVQUANT(1) General Commands Manual PPMIMGVQUANT(1)NAME
ppmimgvquant - palette quantifier for Pilot Image Viewer pgm files, version 2.0.
SYNOPSIS
ppmimgvquant [-4] [-h] [-v] [ppmquant options]
DESCRIPTION
ppmimgvquant just calls ppmquant(1) with the following map file:
P3
4 1
255
0 0 0
85 85 85
170 170 170
255 255 255
If you specify -4, then we use this map file:
P3
16 1
255
0 0 0
17 17 17
34 34 34
51 51 51
68 68 68
85 85 85
102 102 102
119 119 119
136 136 136
153 153 153
170 170 170
187 187 187
204 204 204
221 221 221
238 238 238
255 255 255
The ppmquant(1) output is also passed through ppmtopgm(1) to ensure a graymap output file.
OPTIONS -4 Convert to 4 depth image (for Palm IIIx/V).
-h Display a usage message and exit.
-v Display the version number and exit.
All other switches are passed to ppmquant(1).
SEE ALSO imgvinfo(1), imgvtopnm(1), imgvview(1), pbmtoimgv(1), pgmtoimgv(1), ppmquant(1), ppmtopgm(1), pbm(5), pgm(5).
BUGS
Bug reports should be sent to Eric A. Howe (mu@trends.net).
LICENSE
Copyright (C) 1997,1998 Eric A. Howe <http://www.trends.net/~mu>.
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MER-
CHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation,
Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
Sept 1997 PPMIMGVQUANT(1)