04-04-2009
Try this:
Quote:
perl -i -ne 's/I am the string/replace string /; print; ' file
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1. Shell Programming and Scripting
the file contains the follwoing lines
/*
* Copyright (C) 1995-1996 by XXX Corporation. This program
* contains proprietary and confidential information. All rights reserved
* except as may be permitted by prior written consent.
*
* $Id: xxx_err.h,v 1.10 2001/07/26 18:48:34 zzzz $
... (1 Reply)
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2. Shell Programming and Scripting
I have a file example.txt with content look like this:
<TAG>
1
2
3
</TAG>
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Hi,
searched through the forums and not really found what I am looking for. I am a bit of novice when it comes to anything above basic scripting and not even that when it comes to the sed command.
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I have a section of text in file A, see below
# falkdjf lkjadf lkjadf
lkajdf lkajdf lkajdf lkjadf
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#
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Hi All,
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<this is not starting of file>
record
line1
line2
line3
end
line4
line5
record
line6
line7
line8
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Hi
I know sed and awk has options to give range of line numbers, but
I need to replace pattern in specific lines
Something like
sed -e '1s,14s,26s/pattern/new pattern/' file name
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10. UNIX for Beginners Questions & Answers
Hi,
I am running the following:
PASS="username/password"
sqlplus -s << EOF | grep -v "^$"
$PASS
set feedback off
set heading off
set termout off
select name from v\$database ;
exit
EOF
Which gives
ERROR:
ORA-28002: the password will expire within 5 days
PSMP1 (1 Reply)
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LEARN ABOUT FREEBSD
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)