Handle special characters in awk -F Post: 302942293

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awk/sed with special characters

i have this script that searches for a pattern. However it fails if the pattern includes some special characters. So far, it fails with the following strings: 1. -Cr 2. $Mj 3. H'412 would a sed or awk be more effective? i don't want the users to put the (\) during the search (they...

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Handling special characters using awk

Hi all, How do I extract a value without special characters? I need to extract the value of %Used from below and if its greater than 80, need to send a notification. I am doing this right now..Its giving 17%..Is there a way to extract the value and assign it to a variable in one step? df |grep...

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I'm very new to awk and sed and I've been struggling with this for a while. I'm trying to search a file for a string with special characters and this string is a command line argument to a simple script. ./myscript "searchpattern" file #!/bin/sh awk "/$1/" $2 > dupelistfilter.txt sed...

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awk print $1 escape all special characters

I'm using awk '{print $1}' and it works most of the time to print the contents of a mysql query loop, but occationally I get a field with some special character in it, is there a way to tell awk to ignore all special characters between my FS? I have >186K records, so building a list of ALL special...

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Hi everybody; I have a code and this fetches data from first.txt,modify it and outputs it to second.txt file. l awk 'NR>1 {print "l ./gcsw "$1" lt all lset Data="$2" Value "$3}' /home/gcsw/first.txt > /home/gcsw/second.txt this outputs as: l ./gcsw 123 lt all lset Data=456 Value 789 ...

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Hello All, I am here again scratching my head on pattern selection with special characters. I have a large file having around 200 entries and i have to select a single line based on a pattern. I am able to do that: Code: cat mytest.txt | awk -F: '/myregex/ { print $2}' ...

7. UNIX for Dummies Questions & Answers

awk for removing special characters and extra commas

Hi, I have a .csv file which as empty lines with comma and some special characters in 3rd column as below. Source data 1,2,3,4,%#,6 ,,,,,, 1,2,3,4,5,6 Target Data 1,2,3,4,5,6I need to remove blank lines and special charcters I am trying to get this using the below awk awk -F","...

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awk match shell variable that contains special characters?

How to match a shell variable that contains parenthesis (and other special characters like "!") file.txt contains: Charles Dickens Matthew Lewis (writer) name="Matthew Lewis (writer)"; awk -v na="$name" ' $0 ~ na' file.txt Ideally this would match $name in file.txt (in this...

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awk conditions failing (special characters?)

This is really frustrating because I can't figure it out. I'm running a health check script. One of the items I'm checking is the amount of memory on a server. I use the free command, which outputs something like this (excerpt) Mem: 100 100 100 100 Swap: 100 100 100 100 In my debugging...

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Awk: split column if special characters

Hi, I've data like these: Gene1,Gene2 snp1 Gene3 snp2 Gene4 snp3 I'd like to split line if comma and then print remaining information for the respective gene. My code: awk '{ if($1 ~ /,/){ n = split($0, t, ",")

LEARN ABOUT SUSE

set_color

set_color(1)                                                           fish                                                           set_color(1)

NAME

       set_color - set_color - set the terminal color

set_color - set the terminal color
   Synopsis
       set_color [-v --version] [-h --help] [-b --background COLOR] [COLOR]

   Description
       Change the foreground and/or background color of the terminal. COLOR is one of black, red, green, brown, yellow, blue, magenta, purple,
       cyan, white and normal.

       o -b, --background Set the background color

       o -c, --print-colors Prints a list of all valid color names

       o -h, --help Display help message and exit

       o -o, --bold Set bold or extra bright mode

       o -u, --underline Set underlined mode

       o -v, --version Display version and exit

       Calling set_color normal will set the terminal color to whatever is the default color of the terminal.

       Some terminals use the --bold escape sequence to switch to a brighter color set. On such terminals, set_color white will result in a grey
       font color, while set_color --bold white will result in a white font color.

       Not all terminal emulators support all these features. This is not a bug in set_color but a missing feature in the terminal emulator.

       set_color uses the terminfo database to look up how to change terminal colors on whatever terminal is in use. Some systems have old and
       incomplete terminfo databases, and may lack color information for terminals that support it. Download and install the latest version of
       ncurses and recompile fish against it in order to fix this issue.

Version 1.23.1                                                    Sun Jan 8 2012                                                      set_color(1)

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awk/sed with special characters

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Handling special characters using awk

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awk search pattern with special characters passed from CL

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awk print $1 escape all special characters

Discussion started by: unclecameron