awk for a line that contains someting in a field Post: 302505366

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1. Shell Programming and Scripting

AWK line by line instead of field by field?

I've been using a lot of awk lately for csv files. But I've been using awk for csv files that contain 32 fields per line. For the first time, I've been given a csv file that contains one field per line (13 fields in each csv file). I need to check that a specific field, or line contains a...

2. Shell Programming and Scripting

awk - if field is empty, move line to new file

I have a script with this statement: /usr/xpg4/bin/awk -F"" 'NR==FNR{s=$2;next}{printf "%s\"%s\"\n", $0, s}' LOOKUP.TXT finallistnew.txt >test.txt I want to include logic or an additional step that says if there is no data in field 3, move the whole line out of test.txt into an additional...

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awk append to one line if first field is the same

Hi all, How would I append the second field each time to one line if the first field is the same for example I have this data: 10430,187976 10430,251588 10430,262904 10430,275008 10430,279892 10430,275008 10430,303740 10430,318136 10430,336988 10430,350324 10430,373648 And I...

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Replace line and field using SED and/or AWK or some other suggestion

QUESTION 1: How do you replace a specific line (i.e. line 4) with a new user defined line (i.e. the contents of SAMS’s name, history, math and English grades have been set already). I have been attempting to use SED (FYI: I don’t have GNU SED) or AWK, but haven’t had any luck. FYI: I am using...

5. UNIX for Dummies Questions & Answers

Values with common field in same line with awk

Hi all ! I almost did it but got a small problem. input: cars red cars blue cars green truck black Wanted: cars red-blue-green truck black Attempt: gawk 'BEGIN{FS="\t"}{a = a (a?"-":"")$2; $2=a; print $1 FS $2}' input But I also got the intermediate records...

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Help with awk, where line length and field position are variable

I have several questions about using awk. I'm hoping someone could lend me a hand. (I'm also hoping that my questions make sense.) I have a file that contains pipe separated data. Each line has similar data but the number of fields and the field position on each line is variable. ...

7. Shell Programming and Scripting

Pass awk field to a command line executed within awk

Hi, I am trying to pass awk field to a command line executed within awk (need to convert a timestamp into formatted date). All my attempts failed this far. Here's an example. It works fine with timestamp hard-codded into the command echo "1381653229 something" |awk 'BEGIN{cmd="date -d...

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Using awk to remove duplicate line if field is empty

Hi all, I've got a file that has 12 fields. I've merged 2 files and there will be some duplicates in the following: FILE: 1. ABC, 12345, TEST1, BILLING, GV, 20/10/2012, C, 8, 100, AA, TT, 100 2. ABC, 12345, TEST1, BILLING, GV, 20/10/2012, C, 8, 100, AA, TT, (EMPTY) 3. CDC, 54321, TEST3,...

9. Shell Programming and Scripting

awk to remove line if field has symbols in it

Trying to use awk to remove a line only if $1 contains either ; or :. Thje awk below runs but no lines are removed. Thank you :). awk awk '$1 !~ /;/ || $1 !~ /:/ { print }' file file AARS2;TMEM151B 1 AASS 2 ABAT 3 ABCA1 3 ABCA10 1 ABCA12 2 ABCA13 1 ABCA13:AX746840 2 ABCA2 5

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Printing string from last field of the nth line of file to start (or end) of each line (awk I think)

My file (the output of an experiment) starts off looking like this, _____________________________________________________________ Subjects incorporated to date: 001 Data file started on machine PKSHS260-05CP ********************************************************************** Subject 1,...

LEARN ABOUT DEBIAN

cfourcc

cfourcc(1)							   User Commands							cfourcc(1)

NAME

       cfourcc - tool for changing FourCC in Microsoft RIFF AVI files

SYNOPSIS

	 cfourcc [-i] <file.avi>
	 cfourcc -u <CODE> <file.avi>

OPTIONS

       -h  Show summary of options.

       -d CODE
	   Sets FOURCC codec decription string.

       -f  Force changing FOURCC on unsupported file

       -i  Display FOURCC information (default).

       -u CODE
	   Set FOURCC codec.

	   None.

DESCRIPTION

       Program identifies the codec used in AVI files (*.avi) and allows the user to change the FourCC description code (like fourcc-changer in
       Windows). Useful for people working with Microsoft AVI file. A Linux clone of AviC fourcc changer tool.

EXAMPLES

       Note that you only need to change the -u codec field most of the time and not touch the -d description:

	   cfourcc -u DIVX -d DIVX file.avi

ENVIRONMENT

       None.

FILES

       None.

SEE ALSO

       ffmpeg(1) mplayer(1)

AUTHORS

       cfourcc was written by Mohammad Hafiz bin Ismail aka "mypapit" <info@mypapit.net>.

       This manual page was written by Jarno Elonen <elonen@debian.org>, for the Debian project (but may be used by others). Updated by Jari Aalto
       <jari.aalto@cante.net>. Released under license GNU GPL v2 or (at your option) any later version. For more information about license, visit
       <http://www.gnu.org/copyleft/gpl.html>.

cfourcc 							    2012-04-02								cfourcc(1)

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

AWK line by line instead of field by field?

Discussion started by: yongho

2. Shell Programming and Scripting

awk - if field is empty, move line to new file

Discussion started by: scriptr2be

3. Shell Programming and Scripting

awk append to one line if first field is the same

Discussion started by: borderblaster

4. Shell Programming and Scripting

Replace line and field using SED and/or AWK or some other suggestion

Discussion started by: thibodc