unix cmd Post: 66321

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1. UNIX for Dummies Questions & Answers

get only a few lines from a unix cmd

I'd like to get only the first 5 lines of the ls -lt command, i tried to pass to head as a file ip but didnt work, is there any other way to do it. I am trying to find the lates log files for the last 5 days. what i tried head -5 < ls -lt alog* Thanks. -d

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Using Unix screen cmd effecting Vi editor

Hello, I enjoy using the unix screen utility, but my vi sessions lose the ability to syntax highlight code and split screen(:vs or :sp). When not using screen, I can do those things within vi. Anybody experience this and know the fix? Thanks

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Combining many lines to one using awk or any unix cmd

Combining many lines to one using awk or any unix cmd Inputfile: Output : Appreciate help on this.

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Storing the output of a Unix cmd in my C program

Hello experts, How can I retrieve the output from a Unix command and use it as string variable in my C program? For example, when I issue the command 'date' I get: Tue Jun 11 09:54:16 EEST 2009 I do not want to redirect the output of the command to a file and then open the file from...

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Unix cmd prompt how to get old cmd run?

Hi, I am using SunOS I want to serch my previous command from unix prompt (like on AIX we can search by ESC -k) how to get in SunOs urgent help require.

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how to call unix script in informatoca thrgh cmd task

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how to change unix cmd display prompt?

I am new to to unix and I want to make my own basic shell. What is the code I can use to change the unix cmd console display? For example my unix display prompt says MyCompterName~, I want it to say WhatEverMan~

8. UNIX for Dummies Questions & Answers

UNIX one line cmd join 2 sets of data from 2 files

Hi all, This is my first and undoubtedly many posts to come. I'm new to using unix and would like a hand with this problem I have. What i'm trying to do is match 2 sets of data from 2 files and put result into file 3. Sounds simply but there is a catch, the match is a "partial field" match, if...

9. AIX

UNIX cmd to check for non expiry type password

Hi, Here's the version of unix that we are working on. > uname -a AIX yyyyyyyy 1 6 00F613E24C00 @:on(cluster303)/iishomea/kmani00-> i have application id: aaabbb Now i need to check whether the password for the application id set to non expiry type or not. Moreover, with that unix...

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UNIX cmd -find empty files in folder else sleep for 8hrs

Hello, I am trying to write a unix cmd , that if files in folder /path/FTP are all zero kb or empty then good to go, if not empty then sleep for 8 hrs. Following cmd list me the files which are not empty, But when I am incorporating IF ELSE cmd fails find /path/FTP. -type f -exec wc -l {}...

LEARN ABOUT XFREE86

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)

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

get only a few lines from a unix cmd

Discussion started by: dharma

2. Shell Programming and Scripting

Using Unix screen cmd effecting Vi editor

Discussion started by: geephei

3. Shell Programming and Scripting

Combining many lines to one using awk or any unix cmd

Discussion started by: pinnacle

4. Programming

Storing the output of a Unix cmd in my C program

Discussion started by: Goseib