sed (variable) Post: 84687

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Doing a sed on a variable help !

Hi, So what I'm trying to do is I have these variables and if they have a dot in them , I want everyting before and including the dot removed. Any ideas ? Something like this I would want : $var = $var | sed 's/.*\.//' but that does't work. I want to save that removal $var...

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Hi, My shell script searches a VALUE in a file, copies it to a variable and updates a line in another file with this new VALUE (replacing the old) The value has a pattern- VALUE=`$$MyDate=11-11-2008 09.09.56.123456` (yes the $ - . = and space are all part of the string) I am having...

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Hi Friends in sed whether we can use variable.like the following expression. sed -i 's/ABC/$var/g' filename I am using Kernel 2.6.18-194.11.1.el5 RedHat linux. I have tried sed -i 's/ABC/"$var"/g' filename, still not working.:( Please help. Thanks in advance Joy

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Hello i would like to interpret a variable in this command cnt=3 sed -n '${cnt}p' file.txt sed: 0602-403 `${cnt}`p is not a recognized function. can you help me please ? thanks

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How to pass value of pwd as variable in SED to replace variable in a script file

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How to use the variable in sed?

version=git release=r8 echo lp-testsuite-git-r8.x86_64.rpm |sed -e "s/-$version-$release.*//g" I want to get lp-testsuite what's wrong with me ?

LEARN ABOUT CENTOS

realpath

REALPATH(1)							   User Commands						       REALPATH(1)

NAME

       realpath - print the resolved path

SYNOPSIS

       realpath [OPTION]... FILE...

DESCRIPTION

       Print the resolved absolute file name; all but the last component must exist

       -e, --canonicalize-existing
	      all components of the path must exist

       -m, --canonicalize-missing
	      no components of the path need exist

       -L, --logical
	      resolve '..' components before symlinks

       -P, --physical
	      resolve symlinks as encountered (default)

       -q, --quiet
	      suppress most error messages

       --relative-to=FILE
	      print the resolved path relative to FILE

       --relative-base=FILE
	      print absolute paths unless paths below FILE

       -s, --strip, --no-symlinks
	      don't expand symlinks

       -z, --zero
	      separate output with NUL rather than newline

       --help display this help and exit

       --version
	      output version information and exit

       GNU   coreutils	 online  help:	<http://www.gnu.org/software/coreutils/>  Report  realpath  translation  bugs  to  <http://translationpro-
       ject.org/team/>

AUTHOR

       Written by Padraig Brady.

COPYRIGHT

       Copyright (C) 2013 Free Software Foundation, Inc.  License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
       This is free software: you are free to change and redistribute it.  There is NO WARRANTY, to the extent permitted by law.

SEE ALSO

       readlink(1), readlink(2), realpath(3)

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

	      info coreutils 'realpath invocation'

       should give you access to the complete manual.

GNU coreutils 8.22						     June 2014							       REALPATH(1)

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