syntax for variables in sed Post: 302186970

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sed syntax

Hi, How can i use sed command to modify a part of a variable containing "/" by another containing "/" like describe below: VAR="/app/share/eai" VAR1="/app/share" VAR2="/data/test" echo $VAR | sed 's/... ??? # using sed to replace $VAR1 in $VAR by $VAR2 ?

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I have one File named "txt_file" # cat txt_file <DBType>RT</DBType> <AppType>RT</AppType> -------------------------------------------------- I want replace "<AppType>RT</AppType>" to <AppType>XY</AppType> in txt_file and output redirect to Newfile ...

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<tr><td width=10% style='width:5%;background:#F7F0D9;padding:0in 0in 0in 0in 0in'><center><b>Package</b></td><td width=10% valign=center style='width:5%;background:#F7F0D9;padding:0in 0in 0in 0in 0in'><center><b>JTs</b></td> This is got to be simple. I run this on the above .html file: sed...

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Syntax to see if two variables match

I have a simple shell script to read create a mysql database as a particular user. Right now, I have the password set as a variable to make sure someone does not mistype the password. I want to take the hard coded password out of the file and make the user input the password twice to make they...

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Hi there I am really struggling :eek: to place a value in a variable with the following loop, having run out of ideas please can someone point me in the right direction? We first read two PIDs of a program (say calc) into an array, then we loop reading the details of those processes into a...

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sed syntax error

Hi, In the following excerpt of shell script code: I could not understand the sed syntax. Could anyone shed some light on this? configure_ssl() { jboss_conf_file=$1 echo "Configuring SSL for -" ${jboss_conf_file} isSSLSetup=`echo cat ${jboss_conf_file} | grep <Connector...

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Another sed Syntax Puzzle . . .

Greetings! Have a quick question for the community today; this time looking at a nifty little sed puzzle ;) Consider the following file content to be worked through:What needs to happen is theblock should be removed up to and including the following blank line, leavingI have bits and pieces...

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)

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