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I want to capture first field in a file and check for some conditions. File has got 10 million records.

Hi All,

My Input file looks like below:

Input:
100,200,300

$fw=`head -1 test.csv | awk -F, '{print \$1}'`;
$fw="'$fw"
$fw="$fw'"
print $fw

Output:'100'

I want the first field...

It worked great. Awsome dude. You are really great. hats off to your weighted brain. I am your fan from today. trust me...

hey dude
I appreciate your help. Once you found that Id '254-11' is common in both the files. You need to grep the File A to get ouptut as below. current line and previous line of the match. You...

yes buddy, i can do that. I have extracted the field 1 to file C and Field 5 to file D. I used comm command to compare and find the exact match. It just run for few seconds.

The output file is...

Hi,

Thank you for your suggestion. In file A, Actual field is second line. Records seperated by ','. The first line is error or message where words are sepearated by space. so i cannot say first...

Hi Rahul,

Thank you for your reply. Command comm with the above files gives wrong output because i need to compare field 1 of file A and field 5 of file B and output the current and previous line...

Hi,

I have two files file A and File B. File A is a error file and File B is source file. In the error file. First line is the actual error and second line gives the information about the record...