sed and variable Post: 302605248

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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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HOw can I use any variable in sed command. For example I am using 'sed -e 's/?/$ORACLE_HOME/g' $file_name Here it replaces ? with $ORACLE_HOME. Instead of it I need actual value of $ORACLE_HOME. How can I do that? Please advice. Thanks in advance. Malay

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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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Sed variable substitution when variable constructed of a directory path

Hello, i have another sed question.. I'm trying to do variable substition with sed and i'm running into a problem. my var1 is a string constructed like this: filename1 filerev1 filepath1 my var2 is another string constructed like this: filename2 filerev2 filepath2 when i do...

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using variable in sed

i need to use a value in the Variable to print a particular line from a file using sed command. i tried the below one but its is not working sed -n ' "$var"p ' abc.txt but its is not working please help me to sort out this.

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I want to instert Category:XXXXX into the 2. line something like this should work, but I have somewhere the wrong sytanx. something with the linebreak goes wrong: sed "2i\\${n}Category:$cat\n" Sample: Titel Blahh Blahh abllk sdhsd sjdhf Blahh Blah Blahh Blahh Should look like...

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Expand an environment variable in sed, when the variable contains a slash

I'm trying to make a sed substitution where the substitution pattern is an environment variable to be expanded, but the variable contains a "slash". sed -e 's/<HOME_DIRECTORY>/'$HOME'/'This gives me the following error: sed: -e expression #1, char 21: unknown option to `s'Obviously this is...

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sed with variable

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

Hi all, Hereby wish to have your advise for below: Main concept is I intend to get current directory of my script file. This script file will be copied to /etc/init.d. A string in this copy will be replaced with current directory value. Below is original 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

grub-render-label

GRUB-RENDER-LABEL(1)                                               User Commands                                              GRUB-RENDER-LABEL(1)

NAME

       grub-render-label - generate a .disk_label for Apple Macs.

SYNOPSIS

       grub-render-label [OPTION...] [OPTIONS]

DESCRIPTION

       Render Apple .disk_label.

       -b, --bgcolor=COLOR
              use COLOR for background

       -c, --color=COLOR
              use COLOR for text

       -f, --font=FILE
              use FILE as font (PF2).

       -i, --input=FILE
              read text from FILE.

       -o, --output=FILE
              set output filename. Default is STDOUT

       -t, --text=STRING
              set the label to render

       -v, --verbose
              print verbose messages.

       -?, --help
              give this help list

       --usage
              give a short usage message

       -V, --version
              print program version

       Mandatory or optional arguments to long options are also mandatory or optional for any corresponding short options.

REPORTING BUGS

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

SEE ALSO

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

              info grub-render-label

       should give you access to the complete manual.

grub-render-label (GRUB) 2.02-2ubuntu8.3                             July 2018                                                GRUB-RENDER-LABEL(1)

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

Doing a sed on a variable help !

Discussion started by: seaten

2. Shell Programming and Scripting

sed (variable)

Discussion started by: malaymaru

3. Shell Programming and Scripting

sed with a variable

Discussion started by: ngagemaniac

4. Shell Programming and Scripting

Sed variable substitution when variable constructed of a directory path

Discussion started by: alrinno