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Shell Programming and Scripting
ksh Remove and replace repeated in file
Post 302738509 by ctsgnb on Saturday 1st of December 2012 05:09:13 PM
12-01-2012
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1. Shell Programming and Scripting
I have korn shell script that genretaets 100 file based on template replacing the number.
The template file is as below:
$ cat template
file number: NUMBER
The shell script is as below:
$ cat gen.sh
#!/bin/ksh
i=1;
while ((i <= 100)); do
sed "s/NUMBER/$i/" template > file_${i}
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How would I go to a particular line in a file and remove certain text from it and replace with something that I want it to be there.
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now look for line HOME="/export/xyz" in /etc/abc
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I am new to Perl and in text file of around 1000 lines having around 500 repeated line which I felt is no use and want to remove these line.so can somebody help in same for providing sample code how can i remove these repeated line in a file. (11 Replies)
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HI,
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i/p
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Hi all,
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How can i delete some regular repeated lines in a file?
example:
in_file
EDGE 1 2 12
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EDGE 5 6 56
EDGE 6 7 67
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EDGE 9 10 910
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Good Afternoon,
I start with a file named biglist.txt.
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Remove duplicate lines which has been repeated 4 times attached test.txt
below command tried and not getting expect output.
for i in `cat test.txt | uniq`
do
num=`cat test.txt | grep $i | wc -l`
echo $i $num
done
test.txt
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LEARN ABOUT SUNOS
suspend
suspend(1) User Commands suspend(1) NAME
suspend - shell built-in function to halt the current shell SYNOPSIS
sh suspend csh suspend ksh suspend DESCRIPTION
sh Stops the execution of the current shell (but not if it is the login shell). csh Stop the shell in its tracks, much as if it had been sent a stop signal with ^Z. This is most often used to stop shells started by su. ksh Stops the execution of the current shell (but not if it is the login shell). ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ SEE ALSO
csh(1), kill(1), ksh(1), sh(1), su(1M), attributes(5) SunOS 5.10 15 Apr 1994 suspend(1)