10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Dear Unix Forums,
I am hoping you can help me with a pattern matching problem.
What am I trying to do?
I want to replace multiple lines of a text file (that match a multi-line pattern) with a single line of text. These patterns can span several lines and do not always have the same number of... (10 Replies)
Discussion started by: thefang
10 Replies
2. Shell Programming and Scripting
Hi,
I have a log file which has sessionids in it, each block in the log starts with a date entry, a block may be a single line or multiple lines. I need to sed (or awk) out the lines/blocks with that start with a date and include the session id.
The files are large at several Gb.
My... (3 Replies)
Discussion started by: andyatit
3 Replies
3. UNIX for Dummies Questions & Answers
Hi,
I am able to get next line if it is matching a particular pattern. But i need a way to skip if next line also matches same pattern..
For example:
No Records
No Records
Records found
got it
Records found
Now i want to find 'Records found' after 'No Records' pattern matches..
... (5 Replies)
Discussion started by: nagpa531
5 Replies
4. Shell Programming and Scripting
I have a file with data records separated by multiple equals signs, as below.
==========
RECORD 1
==========
RECORD 2
DATA LINE
==========
RECORD 3
==========
RECORD 4
DATA LINE
==========
RECORD 5
DATA LINE
==========
I need to filter out all data from this file where the... (2 Replies)
Discussion started by: Finja
2 Replies
5. UNIX for Dummies Questions & Answers
How can I recursively find all files in a directory and print out the file and first line number of any text blocks that match the below cases?
This would seem to involve find, xargs, *grep, regex, etc.
In summary, I want to find so-called empty "try-catch blocks" that do not contain code... (0 Replies)
Discussion started by: lifechamp
0 Replies
6. Shell Programming and Scripting
Hi,
I have a file with text like this
.SET WIDTH 10000
.SET MAXERROR 1
insert into new_db
SELECT
*
FROM
some_db
;
+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-
.SET WIDTH 10000... (3 Replies)
Discussion started by: sol_nov
3 Replies
7. Shell Programming and Scripting
hello I'm doing a unix program and i'm using many file csv.in each csv file the colums are separated by ";" I would like to know the position of a pattern. For example for a line yyyy, bbbb, cccc; ddddd;eeee. I will like for example by finding the position of the pattern "cccc" and the response is... (6 Replies)
Discussion started by: papis
6 Replies
8. Shell Programming and Scripting
Hello
I am looking to have a script that performs some tasks for find and replace and inserts a line as well. I have done some programming 10 years ago, so it is causing me a little grief.
File consists of 2500 records. I will show you a sample consisting of two records below and what needs... (3 Replies)
Discussion started by: cdc01
3 Replies
9. Shell Programming and Scripting
This is my first post, please be nice. I have tried to google and read different tutorials.
The task at hand is:
Input file input.txt (example)
abc123defhij-E-1234jslo
456ujs-W-abXjklp
From this file the task is to grep the -E- and -W- strings that are unique and write a new file... (5 Replies)
Discussion started by: TestTomas
5 Replies
10. UNIX for Dummies Questions & Answers
I have a file that will sometimes contain a pattern. The pattern is this:
W/D FRM CHK 00
I want to find any lines with this pattern, delete those lines, and also delete the line above and the line below. (1 Reply)
Discussion started by: nickg
1 Replies