1. Shell Programming and Scripting

Sorry for such a basic question, but I have spent hours trying to work this out! I need an awk command (or similar) that will look at a text file and output to the screen if the 4th column of each line has a value greater than or equal to x. data.txt This is the 1 line This is the 2 line This... (6 Replies)

2. Shell Programming and Scripting

input a 100 200 300 b 400 10 output a 100 a 200 a 300 b 400 b 10 Thanx (6 Replies)

3. UNIX for Dummies Questions & Answers

I need a one liner to" find /pattern/ print from x lines before "pattern" to y lines after "pattern" (3 Replies)

4. UNIX for Dummies Questions & Answers

example input file: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 (3 Replies)

5. Shell Programming and Scripting

Hello, I have two files... File #1 1 3 2 5 File #2 3 5 3 1 3 7 9 1 5 2 5 8 3 3 1 I need to extract all lines from File #2 where the first two columns match each line of File #1. So in the example, the output would be: 1 3 7 2 5 8 Is there a quick one-liner that would... (4 Replies)

6. Shell Programming and Scripting

Thanks for giving your time and effort to answer questions and helping newbies like me understand awk. I have a huge file, millions of lines, so perl takes quite a bit of time, I'd like to convert these perl one liners to awk. Basically I'd like all lines with ISA sandwiched between... (9 Replies)

7. Shell Programming and Scripting

i need to search for a pattern from a big file and print everything expect the next 6 lines from where the pattern match was made. (8 Replies)

8. Shell Programming and Scripting

Hello experts, I'm stuck with this script for three days now. Here's what i need. I need to split a large delimited (,) file into 2 files based on the value present in the last field. Samp: Something.csv bca,adc,asdf,123,12C bca,adc,asdf,123,13C def,adc,asdf,123,12A I need this split... (6 Replies)

9. Shell Programming and Scripting

The below code is a simple modified sample from a file with millions of lines containing hundreds of extra columns xxx="yyy" ... <app addr="1.2.3.4" rem="1000" type="aaa" srv="server1" usr="user1"/> <app usr="user2" srv="server2" rem="1001" type="aab" addr="1.2.3.5"/>What's the most efficient awk... (2 Replies)

10. Shell Programming and Scripting

cat test.txt a c d e g (2 Replies)