Searching multiple patterns using awk

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2. Shell Programming and Scripting

Check multiple patterns in awk

I need to check if 2 values exists in the file and if they are equal print 0. output.txt: ------------ 1 2 3 4 5 6 Inputs: a=1 b=2 My pattern matching code works but I am trying to set a counter if both the pattern matches which does not work.If the count > 0,then I want to...

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4. Shell Programming and Scripting

Multiple patterns for awk script

Hi, I'm getting stuck when supplying multiple patterns for the below code: awk -F, ' .. .. if ($0 ~ pattern) { .. .. } .. .. ' pattern='$ROW' input_file for the same code I'm trying to supply multiple patterns as given below: awk -F, ' .. .. if( ($0 ~ pattern) && ($0 ~...

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Awk script searching patterns issue

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Searching for multiple patterns in a file

Hi All, I have a file in which i have to search for a pattern from the beginning of the file and if the pattern is found , then i have to perform a reverse search from that line to the beginning of the file to get the first occurrence of another pattern. sample input file hey what are you...

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Searching for multiple patterns in files

I have a situation where I need to search for multiple strings (error messages) such as 'aborted' 'file not found' etc in directory having logs. I have put all the error messages in a text file and using the command. grep -f <textfile> <filetobegrepped> I'm doing this thru a script where I...

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AWK: Multiple patterns per line

Hi there, We have been given a bit of coursework using awk on html pages. Without giving too much away and risking the wrath of the plagerism checks, I can say we need to deal with certain html elements. There may be several of these elements on one line. My question is, if there are more...

Shell Programming and Scripting