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Full Discussion: Change only first line of the match
Top Forums Shell Programming and Scripting Change only first line of the match Post 302881818 by bhas85 on Wednesday 1st of January 2014 09:49:05 PM
Old 01-01-2014
Hi Don,

Thanks your valauable code.

In my Sample text file i have same searching string but the full line is not same as the one which i am going to change.So if i use sed it will also change the below line:

Code:
#example: leprechaun.host.uri.list=raft://10.1.120.154:20127,raft://10.1.122.2:21327^M


Can you let us know how this code will work for my sample file.I am passing my inputs as shown in the below code and the output i am receving:

Code:
#!/bin/ksh
file1=HostSocket.properties
IP1=rt900test.info53.com
Port1=23054
IAm=${0##*/}
if [ $# -lt 3 ] || [ $(($# % 3)) -ne 0 ]
then    printf "Usage: %s $file1 $IP1 $Port1 [filen IPn Portn]...\n" "$IAm" >&2
        exit 1
fi
while [ $# -gt 1 ]
do      printf "Processing file1: %s, New IP1: %s, New Port1: %s\n" "$1" "$2" "$3"
        ed -s "$1" <<-EOF
                /^leprechaun[.]host[.]uri[.]list=raft:\/\//s,//[[:alnum:].:/]*,//$2:$3,
                w
                q
EOF
        shift 3
done

output:

Code:
Usage: test.sh HostSocket.properties rt900test.info53.com 23054 [filen IPn Portn]...

 

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LEARN ABOUT SUSE

xzdiff

XZDIFF(1)							     XZ Utils								 XZDIFF(1)

NAME

       xzcmp, xzdiff, lzcmp, lzdiff - compare compressed files

SYNOPSIS

       xzcmp [cmp_options] file1 [file2]
       xzdiff [diff_options] file1 [file2]
       lzcmp [cmp_options] file1 [file2]
       lzdiff [diff_options] file1 [file2]

DESCRIPTION

       xzcmp  and  xdiff invoke cmp(1) or diff(1) on files compressed with xz(1), lzma(1), gzip(1), or bzip2(1).  All options specified are passed
       directly to cmp or diff.  If only one file is specified, then the files compared are file1 (which must have a suffix of	a  supported  com-
       pression  format)  and  file1 from which the compression format suffix has been stripped.  If two files are specified, then they are uncom-
       pressed if necessary and fed to cmp(1) or diff(1).  The exit status from cmp or diff is preserved.

       The names lzcmp and lzdiff are provided for backward compatibility with LZMA Utils.

SEE ALSO

       cmp(1), diff(1), xz(1), gzip(1), bzip2(1), zdiff(1)

BUGS

       Messages from the cmp(1) or diff(1) programs refer to temporary filenames instead of those specified.

Tukaani 							    2009-07-05								 XZDIFF(1)
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