sed Replace Post: 302877321

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Hi, I want to change a particular string in a file with another string. This is part of a larger script file. I m using SED for this purpose: sed -e 's/hostname.domainname/${HOST}.${DOMAIN}/g' $sed_file>$tmp_file Where the occurance hostname.domainname has to be replaced with the...

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Hello, I have a comman separated file lets day data.txt in following format ,:000002 CH XIN9I.INDX, 34.7534909645,:000002 CH,:Index XIN9I.INDX ,:000063 CH XIN9I.INDX, 6.3062924781,:000063 CH,:Index XIN9I.INDX ,:000776 CH XIN9I.INDX, 2.7001954832,:000776 CH,:Index XIN9I.INDX I would like...

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Hi, I have values in a file at Place $1 as AmericanDollar, AustralianDollar, Singapore1Dollar and so on on various rows. I want to replace Dollar with Pound for all those records where no numeric character is present in the string. Means in above mentioned values 'Singapore1Dollar' should not be...

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Hi, i have a file as give below >cat sample_file param1 val1 2012-06-19 ##there can be one or more space after 2012-06-19 in the above file i want to replace val1 with a with value passed through a variable... below is the command i tried >parval='param1 val2' >par1=param1 >sed...

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head

HEAD(1) 								FSF								   HEAD(1)

NAME

       head - output the first part of files

SYNOPSIS

       head [OPTION]... [FILE]...

DESCRIPTION

       Print  first  10 lines of each FILE to standard output.	With more than one FILE, precede each with a header giving the file name.  With no
       FILE, or when FILE is -, read standard input.

       Mandatory arguments to long options are mandatory for short options too.

       -c, --bytes=SIZE
	      print first SIZE bytes

       -n, --lines=NUMBER
	      print first NUMBER lines instead of first 10

       -q, --quiet, --silent
	      never print headers giving file names

       -v, --verbose
	      always print headers giving file names

       --help display this help and exit

       --version
	      output version information and exit

       SIZE may have a multiplier suffix: b for 512, k for 1K, m for 1 Meg.

AUTHOR

       Written by David MacKenzie.

REPORTING BUGS

       Report bugs to <bug-coreutils@gnu.org>.

COPYRIGHT

       Copyright (C) 2002 Free Software Foundation, Inc.
       This is free software; see the source for copying conditions.  There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU-
       LAR PURPOSE.

SEE ALSO

       The  full documentation for head is maintained as a Texinfo manual.  If the info and head programs are properly installed at your site, the
       command

	      info head

       should give you access to the complete manual.

head (coreutils) 4.5.3						   February 2003							   HEAD(1)

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How to replace using SED?

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Loop with sed command to replace line with sed command in it

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Discussion started by: sarbjit