10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
trying this using shell/bash with sed/awk/grep
I have two files, one containing one column, the other containing multiple columns (comma delimited).
gh,text4,textd... (6 Replies)
Discussion started by: shogun1970
2. UNIX for Beginners Questions & Answers
I'd be grateful for your help with the following. I have a file (file.txt) with 10 columns and about half a million lines, which in simplified form looks like this:
ID Col1 Col2 Col3....
a 4 2 8
b 5 6 1
c 8 4 1
d... (4 Replies)
Discussion started by: aberg
3. Shell Programming and Scripting
In the below file I am trying to grep or similar, all lines where only AF= is less than 0.4.. Thank you :).
grep "AF=" ,+ .4 file
12 112036782 . T C 34.0248 PASS ... (3 Replies)
Discussion started by: cmccabe
4. Shell Programming and Scripting
In file1 field $18 is removed.... column header is "Otherinfo", then each line in file1 is used to search file2 for a match. When a match is found the last four strings in file2 are copied to file1.
cut -f1-17 file1 and then match each line to file2
Chr Start End ... (6 Replies)
Discussion started by: cmccabe
5. Shell Programming and Scripting
Sorry for the weird title but i have the following problem.
We have several files which have between 10000 and about 500000 lines in them. From these files we want to remove lines which contain a pattern which is located in another file (around 20000 lines, all EAN codes). We also want to get... (28 Replies)
Discussion started by: SDohmen
6. Shell Programming and Scripting
Not sure how I can accomplish this. I would like to remove all interfaces that have the commands I would like to see: switchport port-security, spanning-tree portfast. One line is no problem.
spanning-tree... (4 Replies)
Discussion started by: mrlayance
7. Shell Programming and Scripting
I have a text file named main.txt with 10,000 lines. I have another file with a list of line numbers (around 1000) of the lines to be deleted from main.txt file.
I tried with sed but it removes only a range of line numbers.
Thanks for any help!! (1 Reply)
Discussion started by: prvnrk
8. UNIX for Dummies Questions & Answers
Hello, can someone help me how to find a word and 2 lines after it and then send the output to another file.
For example, here is myfile1.txt. I want to search for "Error" and 2 lines below it and send it to myfile2.txt
I tried with grep -A but it's not supported on my system.
I tried with awk,... (4 Replies)
Discussion started by: eurouno
9. UNIX for Dummies Questions & Answers
I am using BASH. How can I remove any lines in a text file that are either blank or begin with a # (ie. comments)? Thanks in advance.
Mike (3 Replies)
Discussion started by: msb65
10. Shell Programming and Scripting
From the pattern mentioned below remove lines based on pattern range.
1 Look For all lines starting with ALTER TABLE and Ending with ; and contains the word MOVE.I wanto to remove these lines from the file sample below.
Note : The above pattern list could be found in... (1 Reply)
Discussion started by: rajan_san