10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Morning ..
I have a file with approximately 1000 lines. I want to check that the file contains, for example, 100 lines.
Something like whats given below is ugly. And even if I create a function I have to call it 100 times.
I may need to look through multiple files at times.
Is there a... (4 Replies)
Discussion started by: sumguy
4 Replies
2. Shell Programming and Scripting
Hi
This is my first post and I'm just a beginner. So please be nice to me.
I have a couple of html files where a pattern beginning with "http://www.site.com" and ending with "/resource.dat" is present on every 241st line. How do I extract this to a new text file?
I have tried sed -n 241,241p... (13 Replies)
Discussion started by: dejavo
13 Replies
3. Shell Programming and Scripting
Hello,
I am searching large (~25gb) DNA sequence data in fasta short read format:
>ReadName
ACGTACGTACGT...
for short tandem repeats, meaning instances of any 2-6 character based run that are repeated in tandem a number of times given as an input variable. Seems like a reasonably simple... (3 Replies)
Discussion started by: ljk
3 Replies
4. Red Hat
Hello,
Please help me with this!! Thanks in advance!!
I have a file named file.gc with the content:
1-- Mon Sep 10 08:53:09 CDT 2012
2revoke connect from FR2261;
3delete from mkt_allow where grantee = 'FR2261';
4grant connect to FR2261 with '******';
5alter user FR2261 comment... (0 Replies)
Discussion started by: raosr020
0 Replies
5. Shell Programming and Scripting
Hi
I am trying to search for a certain set of patterns within a file, and then perform other commands based on output.
testfile contents:
password requisite pam_cracklib.so lcredit=-1 ucredit=-1 ocredit=-1
script:
D="dcredit=-1"
if
then
echo $D exists
else
echo $D doesnt... (8 Replies)
Discussion started by: bludhemn
8 Replies
6. Shell Programming and Scripting
Hi guys,
i have a really big file, and i want to remove a specific line.
sed -i '5d' fileThis doesn't really work, it takes a lot of time...
The whole script is supposed to remove every word containing less than 5 characters and currently looks like this:
#!/bin/bash
line="1"... (2 Replies)
Discussion started by: blubbiblubbkekz
2 Replies
7. Shell Programming and Scripting
I'm trying to count the number of 2 specific characters in a very large file. I'd like to avoid using gsub because its taking too long.
I was thinking something like:
awk '-F' { t += NF - 1 } END {print t}' infile > outfile
which isn't working
Any ideas would be great. (3 Replies)
Discussion started by: dcfargo
3 Replies
8. UNIX for Dummies Questions & Answers
Hello,
I need to select the 3 lines above as well as below a search string, including the search string.
I have been trying various combinations using sed command without any success.
Can anuone help please.
Thanking (2 Replies)
Discussion started by: tansha
2 Replies
9. UNIX for Dummies Questions & Answers
I need to search a very large file. 13g in size. i am looking for a record that has a value in the byte 4200 . how can i view the file or how can i search for value in the byte 4200? (1 Reply)
Discussion started by: Wrightman
1 Replies
10. Shell Programming and Scripting
Hi,
I have a file on windows and have some unix utilitties available on windows. This file is very large and have over 5 million record. I am not able to open this file in Window Editor. I am trying to see bad data on a specific lines. I just have line numbers that has bad data. I need to see the... (8 Replies)
Discussion started by: rkumar28
8 Replies