HOW TO - Bash REGEX - Print Error when More then One Occurence is Found Consecutively? Post: 302716609

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Hi All, I would like to have a script which is able to perform the below. Print the whole row if column1 which is "0001" for the below example is the first occurrence. Subsequent "0001" occurrence will not be printed out and so on. Can any expert help ? Input: 0001 k= 40 0001 k= 2...

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print first few lines, then apply regex on a specific column to print results.

abc.dat tty cpu tin tout us sy wt id 0 0 7 3 19 71 extended device statistics r/s w/s kr/s kw/s wait actv wsvc_t asvc_t %w %b device 0.0 133.2 0.0 682.9 0.0 1.0 0.0 7.2 0 79 c1t0d0 0.2 180.4 0.1 5471.2 3.0 2.8 16.4 15.6 15 52 aaaaaa1-xx I want to skip first 5 line...

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How to print first occurence

Hi there, how can i print the first pattern occurrence in a .log file? I want to print the filename of the first 17262? I tried but all I can do is print all the lines with the number 17262? I tried using awk and sed but nothing!:wall: I just want filename! Here�s an example: 17259...

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Hi folks, I have a file with lots of lines in a text file,i need to print the occurence number after sorting based on the first column as shown below, thanks in advance. sam,dallas,20174 sam,houston,20175 sam,atlanta,20176 jack,raleigh,457865 jack,dc,7845 john,sacramento,4567 ...

LEARN ABOUT OSX

auvaltool

AUVAL(1)						    BSD General Commands Manual 						  AUVAL(1)

NAME

     auval -- AudioUnit validation

SYNOPSIS

     auval [-s TYPE] [-a] [-v|vt TYPE SUBT MANU [-w] [-de] [-dw]] [-f file]

DESCRIPTION

     AUValidation tests a specified AudioUnit for API and behavioural conformance.  returns: OK: 0, malformed execution: 1, unit not conformant:
     -1

OPTIONS

     -h       print help text

     -a       lists all available AudioUnits of any type

     -s TYPE  lists all available AudioUnits of type 'TYPE'

     -v TYPE SUBT MANU
	      opens the AudioUnit specified by the TYPE SUBT MANU component ID's and tests that unit.

     -vt TYPE MANU
	      iterates through all of the AU's of specified TYPE and MANU

     -de      execution is terminated when first error is encountered

     -dw      execution is terminated when first warning is encountered

     -c       continue validating when an error occurs in batch mode.

     -q       quiet - does no printing except for errors or warnings

     -qp      doesn't print parameter or Factory Presets information

     -o       only runs a basic open and initialize test. good for debugging basic functionality

     -r N     repeat the whole process of validation N times. good for catching open/init bugs.

     -w       wait after finished - good for profiling memory usage see 'man leaks'

     -vers    The version is printed to stdout.

     -versh   The version is printed to stdout in hexadecimal.

     -f FILENAME
	      Each line in the file should contain one complete command.

Darwin								 February 13, 2006							    Darwin

10 More Discussions You Might Find Interesting

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Print row if value in column 1 is the first occurence

Discussion started by: Raynon

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Discussion started by: amaxey45

3. Shell Programming and Scripting

print first few lines, then apply regex on a specific column to print results.

Discussion started by: kchinnam

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How to print first occurence

Discussion started by: BMatter