Search and replace with awk Post: 302904644

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search and replace using awk with variables

Hi, I have been trying to use awk with variables that needs to search for a pattern and replace it with another pattern, the patterns are supplied in a variable. I have tried several different ways without success and hope that someone can help me. Here are the details echo $UPC 07007457809...

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Dear All, I want to search and replace the text in file using awk. but facing hard luck in that. Please help me out!!!! > grep Abc.De.ync.rate /tmp/sdosanjh.txt Abc.De.ync.rate 6 write Now, I want to replace the "6" with value say "2". I...

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Hello, I really would appreciate some help with a bash script for some string manipulation on an SQL dump: I'd like to be able to rename "sites/WHATEVER/files" to "sites/SOMETHINGELSE/files" within the sql dump. This is quite easy with sed: sed -e...

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Search and Replace using awk

Hi, I am really confused with this problem that I am facing . I have a file that contains entries in the form : option1 Value1 option2 Value2 option3 Value3 option4 Value4 . . . I want to search for the keyword "option4" and replace "value4" by another value, say "value5". My main...

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Suchen und Ersetzen mit AWK hello, i'm not good in scripting and asking for your help. With this script i change some text parts in diffent datafiles. It works without problems, but i need to get some informations about what changes in wich datafiles happend. This could be in character of a...

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I am writing a c++ program that has many calls of pow(input,2). I now realize that this is slowing down the program and these all should be input * input for greater speed. There should be a simple way of doing this replacement throughout my file with awk, but I am not very familiar with awk....

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Hello. I have written the following script to search and replace from one file into another. #awk script to search and replace from file a in file b NR == FNR { A=$2; next } { for( a in A ) sub(a, A)}1 file2 file1 While the function works pretty well, I want a. The word in File 2 to...

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Need help with either sed or awk to acheive the following file1 ----- In the amazon forest The bats eat all the time... mon tue wed they would eat berries In the tropical forest The bats eat all the time... on wed bats eat nuts In the rain forest The bats eat all the time... on...

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I have a file which requires modification via a shell script. Need to do the following: 0. take input from user for new text. 1. search for a keyword in the file. 2. going forward, search for another keyword. 3. Replace this line with user supplied input. for e.g., my file has the following...

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Search replace with awk using 2 files

I have a bit of a complex problem that I would like to solve with awk. It is essentially a 2-part problem. I have a large directory of files with the same format, each with 266 lines. The first 206 lines of each file are filled with attribute information. Then the following 60 lines consist...

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

search and replace using awk with variables

Discussion started by: jerardfjay

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Search and replace using awk

Discussion started by: sdosanjh

3. Shell Programming and Scripting

awk - replace number of string length from search and replace for a serialized array

Discussion started by: otrotipo

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Search and Replace using awk

Discussion started by: harry0812