10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
I am having trouble with regex capturing groups, For Ex :
I am having a file with
ABC CDLF SFSDFK PRIMARY INDEX(XYZ,DEF,GHI);
XYZ FLJ SDFKLD; PRIMARY INDEX(ABC);
BHI SDKFLFLSFD PRIMARY INDEX (QWE , RTY , LHJ);
My output should be :
ABC XYZ,DEF,GHI
XYZ ABC
BHI ... (10 Replies)
Discussion started by: ysvsr1
10 Replies
2. Shell Programming and Scripting
Good day,
I have a list of regular expressions in file1. For each match in file2, print the containing line and the line after.
file1:
file2:
Output:
I can match a regex and print the line and line after
awk '{lines = $0} /Macrosiphum_rosae/ {print lines ; print lines } '
... (1 Reply)
Discussion started by: pathunkathunk
1 Replies
3. Shell Programming and Scripting
Hello,
I try to script something (bash-script) and can not find a way to get and store a match into a variable from a line in a file. grep isn't useful as the matches are not returned - just colored. I can't get 'expr' to work for me. Is it necessary to use a perl-script with regex instead?
... (7 Replies)
Discussion started by: daWonderer
7 Replies
4. Shell Programming and Scripting
Hello,
Although I have found similar questions, I could not find
advice that could help with my problem. The issue:
I am trying to replace all occurrences of a regex, but
I cannot make the regex groups work together.
This is a simple input test file:
The Vedanta Philosophy... (3 Replies)
Discussion started by: samask
3 Replies
5. Shell Programming and Scripting
I have a requirement - replace specified positions in a string with a character. I found perl regex useful for this approach. however, I am facing the following issue.
The target file 'temp' contains -
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
The goal is to convert... (5 Replies)
Discussion started by: sam_roy
5 Replies
6. Shell Programming and Scripting
Hi,
I'm attempting to rename some files that have spaces in them. Without linking sed commands together is it possible to replace the first three "." to " ".
File.name.is.long.ext -> File name is long.ext
I can get the desired effect with
echo "File.name.is.long.ext" | sed 's/\./ /g;s/... (5 Replies)
Discussion started by: vectox
5 Replies
7. UNIX for Dummies Questions & Answers
i dun seems to be able to grep the arguments i want.
eg. book.txt with description inside.
ABC:efg:5:6
HHH:JJJ:6:7
i want the user to input the book title and author they want. so when the user enters book title ABC and book author efg, they print out exact match of ABC:efg:5:6. Caps do... (2 Replies)
Discussion started by: santonio
2 Replies
8. 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)
Discussion started by: MykC
4 Replies
9. UNIX for Dummies Questions & Answers
Hello,
I looking to use grep to return a string with exactly n matches.
I'm building off this:
ls -aLl /bin | grep '^.\{9\}x' | tr -s ' '
-rwxr-xr-x 1 root root 632816 Nov 25 2008 vi
-rwxr-xr-x 1 root root 632816 Nov 25 2008 view
-rwxr-xr-x 1 root root 16008 May 25 2008... (7 Replies)
Discussion started by: MykC
7 Replies
10. Shell Programming and Scripting
I am attempting to convert rewrite rules to Nginx, and since due to the mass amount of rewrites we must convert, I've been trying to write a script to help me on a specific part, easily.
So far I have this:
rewrite ^action/static/(+)/$ staticPage.php?pg=$1&%$query_string;
What I want done... (5 Replies)
Discussion started by: EXT3FSCK
5 Replies