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

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)

3. 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)

4. 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)

5. Shell Programming and Scripting

Hello I have this script: #!/bin/ksh INPUTFILE=$1 TEMPFILE=$INPUTFILE.$$ OUTPUTFILE=$INPUTFILE.new # nr of arguments has to be 1 if then echo "\nUsage: $0 inputfile\n" return 1 fi # inputfile must exist and be readable if then (13 Replies)

6. Shell Programming and Scripting

Hi All, Need you guys' help to achieve the following: I have some strings and i wish to threw off the end part that's in the file path. From: /directoryname1/subdirectoryname1/abc.txt /directoryname2/subdirectoryname2/defggf.txt To: /directoryname1/subdirectoryname1/... (7 Replies)

7. UNIX for Dummies Questions & Answers

Is there some rule about using wildcards in path? Say I want to create a file, but one of the directories in the path is called 1433d.default and on different machines it will be called <some other string>.default touch ~/Library/Application/*.default/myfile In theory I thought that... (5 Replies)

8. 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)

9. 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)

10. Shell Programming and Scripting

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