Confused by the sed command Post: 302940149

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1. Shell Programming and Scripting

sed very confused

Hello experts, I have this complicated code that output value in between pattern and add "a string" to the front of the output. The problems I have many pattern that are the same. so I want to know how to get the value between 1st pattern, 2nd pattern etc. Any suggestions? sed -n...

2. Solaris

Confused with echo $SHELL Command....

Hi.. Everyone... Kindly consider following : login as: root Using keyboard-interactive authentication. Password: Last login: Mon Nov 3 19:30:50 2008 from xxxxxxxxxxx Sun Microsystems Inc. SunOS 5.10 Generic January 2005 You have new mail. Sourcing //.profile-EIS..... # # ...

3. Shell Programming and Scripting

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

Okay, title is kind of confusion, but basically, I have a lot of scripts on a server that I need to replace a ps command, however, the new ps command I'm trying to replace the current one with pipes to sed at one point. So now I am attempting to create another script that replaces that line. ...

4. Shell Programming and Scripting

SED - confused by the s command.

echo "abc 123" | sed 's/*/& &/g' output: a b c 123 123 Why there are spaces between the "abc" letters? echo "abc 123" | sed 's/*/&&/' output: abc 123 Why the regex in the above script does not match anything? I thought * should match 123 in any case. ---------- Post updated at 08:25...

5. UNIX for Dummies Questions & Answers

Confused over results using "tee" in piped command

First post here, so hopefully all guidelines are followed, and thanks in advance for any replies. I'm working on a shell script(BASH) that processes a csv file and performs various tasks with the data. All is well, except I want to use 'tee' to send output from 'wc' to a file as well as pipe it...

6. UNIX for Dummies Questions & Answers

Confused with sed...

Yes I know this is a bad use of cat, but just ignore it please :P My problem is with sed. File: "newFile" contains: day Command I run: cat newFile | sed 's/day/night' This returns: sed: -e expression #1, char 11: unterminated `s' command Why???

7. Shell Programming and Scripting

sed and awk giving error ./sample.sh: line 13: sed: command not found

Hi, I am running a script sample.sh in bash environment .In the script i am using sed and awk commands which when executed individually from terminal they are getting executed normally but when i give these sed and awk commands in the script it is giving the below errors :- ./sample.sh: line...

8. UNIX for Dummies Questions & Answers

Output of sed command to another sed command

Hi All, I'm relatively new to Unix scripting and am trying to get my head around piping. I'm trying to take a header record from one file and prepend it to another file. I've done this by creating several temp files but i'm wondering if there is a cleaner way to do this. I'm thinking...

9. Shell Programming and Scripting

Confused by command substitution and quoting

How do I assign output of a command to a variable without expanding it? I have tried every combination of quoting I can think of including literal quotes in the command and user agent variable and still can't get it to work (or it breaks Lynx because Lynx tolorates spaces in the useragent but...

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)