1. UNIX for Dummies Questions & Answers

1 . Thanks everyone who read the post first. 2 . I have a log file which size is 143M , I can not use vi open it .I can not use xedit open it too. How to view it ? If I want to view 200-300 ,how can I implement it 3 . Thanks (3 Replies)

2. UNIX for Dummies Questions & Answers

I have a 5000 line config.log file with several "maybe" errors. Any reccomendations on finding solvable problems? (2 Replies)

3. Shell Programming and Scripting

I have a command which prints #lines after and before the search string in the huge file nawk 'c-->0;$0~s{if(b)for(c=b+1;c>1;c--)print r;print;c=a}b{r=$0}' b=0 a=10 s="STRING1" FILE The file is 5 gig big. It works great and prints 10 lines after the lines which contains search string in... (8 Replies)

4. Shell Programming and Scripting

Hi, I have a big (2.7 GB) text file. Each lines has '|' saperator to saperate each columns. I want to delete those lines which has text like '|0|0|0|0|0' I tried: sed '/|0|0|0|0|0/d' test.txt Unfortunately, it scans the file but does nothing. file content sample:... (4 Replies)

5. Shell Programming and Scripting

hi, i have two files. file1.sh echo "unix" echo "linux" file2.sh echo "unix linux forums" now the output i need is $./file2.sh unix linux forums (3 Replies)

6. UNIX for Advanced & Expert Users

Hi, I need a unix command to delete first n (say 100) lines from a log file. I need to delete some lines from the file without using any temporary file. I found sed -i is an useful command for this but its not supported in my environment( AIX 6.1 ). File size is approx 100MB. Thanks in... (18 Replies)

7. Shell Programming and Scripting

Hi all I have a big file which I have attached here. And, I have to fetch certain entries and arrange in 5 columns Name Drug DAP ID disease approved or notIn the attached file data is arranged with tab separated columns in this way: and other data is... (2 Replies)

8. Shell Programming and Scripting

The dataset I'm working on is about 450G, with about 7000 colums and 30,000,000 rows. I want to extract about 2000 columns from the original file to form a new file. I have the list of number of the columns I need, but don't know how to extract them. Thanks! (14 Replies)

9. UNIX for Beginners Questions & Answers

Dear all, I have stuck with this problem for some days. I have a very big file, this file can not open by vi command. There are 200 loops in this file, in each loop will have one line like this: GWA quasiparticle energy with Z factor (eV) And I need 98 lines next after this line. Is... (6 Replies)

10. Shell Programming and Scripting

Hi all, I have a file like this I want to extract only those regions which are big and continous chr1 3280000 3440000 chr1 3440000 3920000 chr1 3600000 3920000 # region coming within the 3440000 3920000. so i don't want it to be printed in output chr1 3920000 4800000 chr1 ... (2 Replies)