1. Shell Programming and Scripting

Ok, I'm stumped and can't seem to find relevant info. (I'm not even sure, I might have asked something similar before.): I'm trying to use shell scripting/UNIX commands to extract URLs from a fairly large web page, with a view to ultimately wrapping this in PHP with exec() and including the... (2 Replies)

2. UNIX for Dummies Questions & Answers

Hello, I'm working on unix with grep (GNU grep) 2.5.1. I'm going through some of the newer regex syntax using Regular Expression Reference - Advanced Syntax a guide. ls -aLl /bin | grep "\(x\)" Which works, just highlights 'x' where ever, when ever. I'm trying to to get (?:) to work but... (4 Replies)

3. UNIX for Dummies Questions & Answers

Hey everyone, Basically, all I'm looking for is a way to regex for not a certain string. The regex I'm looking to avoid matching is: D222 i.e. an equivalent of: awk '!/D222/' The problem is that I use this in the following command in a Bash script: ls ${source_directory} | awk... (1 Reply)

4. Shell Programming and Scripting

My input contains a single word lines. From each line data.txt prjtestBlaBlatestBlaBla prjthisBlaBlathisBlaBla prjthatBlaBladpthatBlaBla prjgoodBlaBladpgoodBlaBla prjgood1BlaBla123dpgood1BlaBla123 Desired output --> data_out.txt prjtestBlaBla prjthisBlaBla... (8 Replies)

5. UNIX for Dummies Questions & Answers

i have a file (test.txt) that contains: 20799510617900000928000000005403020110315V 20799510617900000928000000005403020110316 20799510617900000928000000005403020110317 20799510617900000928000000005403020110318V grep V test.txt > /tmp/void.log if then mail -s "void" < test.txt fi... (2 Replies)

6. Shell Programming and Scripting

I have a line of text for example aaaa bbbb cccc dddd eeee ffffff I would need to get the cccc however bbbb could be there or not. So whether bbbb is in the line or not I need cccc. I was looking at either awk or sed....and trying to start at c and end until the next space. Also... (11 Replies)

7. Shell Programming and Scripting

I have a file that contains the 2 following lines (from /proc/mounts) /dev/sdc1 /mnt/backup2 xfs rw,relatime,attr2,noquota 0 0 /dev/sdb1 /mnt/backup xfs rw,relatime,attr2,noquota 0 0 I need to match the string in the second column exactly so that only one result is returned, e.g. > grep... (2 Replies)

8. Shell Programming and Scripting

Hi to you all, I'm just struggling with a regex problem and I'm pretty sure that I'm missing sth obvious... :confused: I need a regex to feed my grep in order to find lines that contain one string but not the other. Here's the data example: 2015-04-08 19:04:55,926|xxxxxxxxxx| ... (11 Replies)

9. Shell Programming and Scripting

Hi all, I have the following entries in a file: Cause Indicators=80 90 Cause Indicators=80 90 Cause Indicators=82 90 Cause Indicators=82 90 Cause Indicators=82 90 The first 2 digits might change so I am after a sort of grep which could find any first 2 digits + the second 2,... (3 Replies)

10. UNIX for Beginners Questions & Answers

I have multiple strings in a file which have special character $, when i search strings by ignoring $ with \ using single quotes it returns empty results. My search strings are set char_1($lock) and set new_char_clear_3($unlock) I tried searching with but it returns empty results.However... (3 Replies)