1. UNIX for Dummies Questions & Answers

I'm trying to delete lines from a large text file using VI. Every line that I am wanting to delete start with 'S' - all others do not. (A list of users) I've tried using * but doesn't seem to like it...any ideas... Doesn't have to be VI - but I'm better with VI than sed/awk. (8 Replies)

2. UNIX for Dummies Questions & Answers

Hi guys, a small problem today, I'm grepping a log file containing lines like this below: Mar 09 16:04:00 blabla Mar 09 16:04:02 blabla Mar 09 16:04:05 blabla Mar 09 16:04:15 blabla Mar 09 16:05:06 blabla Mar 09 16:05:23 blabla Mar 09 16:05:25 blabla ... in this file I'm grepping... (5 Replies)

3. UNIX for Dummies Questions & Answers

when writing a shell script (bourne) and using a unix command like 'ls' is there anything special you need to do to use a wildcard (like *)? (3 Replies)

4. UNIX for Dummies Questions & Answers

ok, I'm trying to write a script file that lists files with specific elements in the name into a txt file, it looks like this ls s*.dat > file_names.txt can't figure out whats wrong with that line, any ideas? thanks in advance (10 Replies)

5. UNIX for Dummies Questions & Answers

Hi All Please excuse another straightforward question. When creating a tar archive from a directory I am attempting to use wildcards to eliminate certain filetypes (otherwise the archive gets too large). So I am looking for something along these lines. tar -cf archive.tar * <minus all *.rst... (5 Replies)

6. UNIX for Dummies Questions & Answers

I am using this code to locate and modify one particular ID in a file containing thousands of entries sed 's/^>OldID/>NewID/g' Infile > Outfile How can I modify the code so I can rename all old IDs to a new unique ID? I tried this sed 's/^>*/>NewID/g' Infile > Outfile but it did not... (10 Replies)

7. UNIX for Advanced & Expert Users

These 2 websites do a GREAT job of explaining different types of wildcards. I learned about the categories of characters which I never knew about at all. GNU/Linux Command-Line Tools Guide - Wildcards GREP (1 Reply)

8. UNIX for Dummies Questions & Answers

Hi, I've got a ksh for loop with wildcards specified, and I want the wildcards to be preserved when inside the loop. Instead, it is expanding the wilcards and identifying filenames in the current directory #!/usr/bin/ksh list="a* b*" for i in ${list} do echo 'Loop value =' ${i} done... (2 Replies)

9. Shell Programming and Scripting

to scp using windcards you use the following : scp 'hostname:/home/username/diff_201110*' . Enjoy ! (0 Replies)

10. Shell Programming and Scripting

When I search for the string capId=... using awk '/capId=.../' file I get successful results. However when I feed the string as a variable, like this: str="capId=..." awk -v str="$str" 'index($0, str)' file I get no results. What can I do if I need to generate a string that contains... (1 Reply)