10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
I have this fastq file:
@M04961:22:000000000-B5VGJ:1:1101:9280:7106 1:N:0:86
GGGGGGGGGGGGCATGAAAACATACAAACCGTCTTTCCAGAAATTGTTCCAAGTATCGGCAACAGCTTTATCAATACCATGAAAAATATCAACCACACCA
+test-1
GGGGGGGGGGGGGGGGGCCGGGGGFF,EDFFGEDFG,@DGGCGGEGGG7DCGGGF68CGFFFGGGG@CGDGFFDFEFEFF:30CGAFFDFEFF8CAF;;8... (10 Replies)
Discussion started by: Xterra
10 Replies
2. Shell Programming and Scripting
Hello Friends,
I have a password file at /etc/password.bak in which the fields are present in the below format i.e. each field is seperated by ":"
vbjr3:x:1007:1007:student users:/home/vbjr3:/bin/bash
dbhyt2:x:1008:1008:student users:/home/dbhyt2:/bin/bash
bbwe3:x:1009:1009:student... (1 Reply)
Discussion started by: Ravi Tej
1 Replies
3. Shell Programming and Scripting
sed -e "s// /g" old.txt > new.txt
While I do know some control characters need to be escaped, can normal characters also be escaped and still work the same way? Basically I do not know all control characters that have a special meaning, for example, ?, ., % have a meaning and have to be escaped... (11 Replies)
Discussion started by: ijustneeda
11 Replies
4. Shell Programming and Scripting
Hello,
Yesterday I was looking for a way to grep for a tab in the shell, and found this solution in several places:
grep $'a' # Grep for the letter 'a' between two tabs
I'm fine with most of this, but I don't understand what the $ (dollar sign) before the first quote does. It doesn't work... (7 Replies)
Discussion started by: mregine
7 Replies
5. Shell Programming and Scripting
Hi All,
I have a log file and I want to parse the logfile with a script.A sample text is shown below:
I would grep on "return code " on this file. Any idea how the lines above and below the grep patterns could also be extracted.
Thanks!
nua7
The runLoggingInstall return code is 0... (3 Replies)
Discussion started by: nua7
3 Replies
6. Shell Programming and Scripting
I found another problem with my disk-adding script today. When looking for disks, I use grep.
When I grep for the following disk sizes:
5242880
I also pick up these as well:
524288000
How do I specifically pick out one or the other, using grep, without resorting to the -v option?
... (9 Replies)
Discussion started by: LinuxRacr
9 Replies
7. Shell Programming and Scripting
Using shell scripts, I use grep to find the word “error” in a log file:
grep error this.log.
How can I print or get the line 3 lines below the line that word “error” is located?
Thanks in advance for your response. (9 Replies)
Discussion started by: cbeauty
9 Replies
8. UNIX for Dummies Questions & Answers
Is there a way to grep for something and then print out 10 lines after it.
for example if I want to grep for a word, then output the following 10 or whatever number of lines after the word. (5 Replies)
Discussion started by: eloquent99
5 Replies
9. UNIX for Dummies Questions & Answers
give this a try and let me know if it works
grep '^' filename
rachael (2 Replies)
Discussion started by: rachael
2 Replies
10. UNIX for Dummies Questions & Answers
Hi
I was wondering if it's possible to use a command to get the first 3 characters of a line in a text file, I tried grep but it returns the whole line but I am only interested in the first 3 characters. Is this possible with grep or I need any other command?
Also is it possible deleting from... (2 Replies)
Discussion started by: g-e-n-o
2 Replies