inserting a variable to a new line Post: 302528889

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Inserting a line before the line which matches the patter

Hi Is there any command where we can insert a line "2|||" before every line starting with "3|" my input is as follows 1|ETG|12345 3|79.58|||GBP|| 1|ETG|12345 3|79.58|||GBP|| 1|ETG|12345 2|EN_GB||Electrogalvanize 0.5 m2 ( Renault ) 1|ETG|12345 3|88.51|||GBP|| desired output...

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Inserting a variable in awk script

I have file input.txt: >TX1-1 Freq 55 cattctgatgaatatttgtcctttagttgttatttgt >TX1-2 Freq 19 cattctgatgaatatttgtcctttagttgttatttgt >TX1-3 Freq 17 cattctgatgaatatttgtcctttagttgttatttgt >TX1-4 Freq 6 cattctgatgaatatttgtcctttagttgttatttgt >TX1-5 Freq 6 cattctgatgaatatttgtcctttagttgttatttgt ...

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. Shell Programming and Scripting

Inserting a new line

Discussion started by: ssmallya

2. UNIX for Advanced & Expert Users

Inserting a line before the line which matches the patter

Discussion started by: laxmi131

3. Shell Programming and Scripting

Inserting variable value into filename

Discussion started by: TheSMan5

4. Shell Programming and Scripting

Inserting a line when its length is variable

Discussion started by: nxp