if condition Post: 302663111

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1. Shell Programming and Scripting

if condition ...

i have following if condition if above statement is case sensitive.....what is syntax if i have to make above comparision case insensetive

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Hi friends, :) In a shell script i found the following if condition. echo -n "Which version of $1 do you want to restore ('0' to quit)? : " read desired if ${desired:=1} -ge $index ] ; then echo "$0: Restore canceled by user: index value too big." >&2 exit 1 fi Can...

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Hi, I am trying to execute this command, but is it not working, says "`;' unexpected" eval $lgrep $SAM_CMD ; if ; then ; echo "No Error" ; fi What i want is, return the command output, if it is non zero, say "No Error". Thanks, John.

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Difference between [condition] and [[condition]] and ((condition)) when used with if condition

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If condition return 0 even when it fails to satisfy te condition

HI My doubt may be basic one but I need to get it clarified.. When i use "if" condition that checks for many AND, OR logical conditions like if ]; then return 0 fi Even the if condition fails it returns as zero.. Any clue.. But if i add else condition like if ]; ...

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IF [ condition ] help

Hi all Unix newbie - please be gentle Am modifying an existing script to error trap a variable with a length of 0 #!/bin/bash ipfile='/var/data/bin/ipaddress' ] && ipold="$(< "$ipfile" )" ipnew="$( wget -q -O - checkip.dyndns.org | sed -e 's/.*Current IP Address: //;s/<.*$//' )" #...

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Help with if condition

o/p of my command is given below My requirement is if Pnumber is 0 then stabilization.Build.2013 else stabilization.PBuild.2013.3

LEARN ABOUT OSX

ppmtosixel

ppmtosixel(1)						      General Commands Manual						     ppmtosixel(1)

NAME

       ppmtosixel - convert a portable pixmap into DEC sixel format

SYNOPSIS

       ppmtosixel [-raw] [-margin] [ppmfile]

DESCRIPTION

       Reads  a  portable  pixmap  as input.  Produces sixel commands (SIX) as output.	The output is formatted for color printing, e.g. for a DEC
       LJ250 color inkjet printer.

       If RGB values from the PPM file do not have maxval=100, the RGB values are rescaled.  A printer control header and a color assignment table
       begin the SIX file.  Image data is written in a compressed format by default.  A printer control footer ends the image file.

OPTIONS

       -raw   If  specified,  each  pixel  will  be explicitly described in the image file.  If -raw is not specified, output will default to com-
	      pressed format in which identical adjacent pixels are replaced by "repeat pixel" commands.  A raw file is often an order	of  magni-
	      tude larger than a compressed file and prints much slower.

       -margin
	      If  -margin  is not specified, the image will be start at the left margin (of the window, paper, or whatever).  If -margin is speci-
	      fied, a 1.5 inch left margin will offset the image.

PRINTING

       Generally, sixel files must reach the printer unfiltered.  Use the lpr -x option or cat filename > /dev/tty0?.

BUGS

       Upon rescaling, truncation of the least significant bits of RGB values may result in poor color conversion.  If the original PPM maxval was
       greater	than  100,  rescaling  also reduces the image depth.  While the actual RGB values from the ppm file are more or less retained, the
       color palette of the LJ250 may not match the colors on your screen.  This seems to be a printer limitation.

SEE ALSO

       ppm(5)

AUTHOR

       Copyright (C) 1991 by Rick Vinci.

								   26 April 1991						     ppmtosixel(1)

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

if condition ...

Discussion started by: mahabunta

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if..else condition

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If Condition

Discussion started by: john_prince