10 More Discussions You Might Find Interesting
1. UNIX for Beginners Questions & Answers
How do I use grep to select words that start with I or O, end in box, and contain at least one letter in between them?
the text file mailinfo.txt contains
Inbox
the Inbox
Is a match box
Doesn't match
INBOX
Outbox
Outbox1
InbOX
Ibox
I box
If the command works correctly it... (4 Replies)
Discussion started by: steezuschrist96
4 Replies
2. Shell Programming and Scripting
Hi all!
I would like to solve a problem but I have no clue of how do it!I will be grateful if someone could help me!
Briefly I have a big file like this:
>ENSMUSG00000000204 | ENSMUST00000159637
GGCGAGGCTTACGCCATTTTACCTCAGCGAGCATTCATAAAGCTGCGAGCATTCATACAG
>ENSMUSG00000000204 |... (3 Replies)
Discussion started by: giuliangiuseppe
3 Replies
3. Shell Programming and Scripting
Need to use dd to generate a large file from a sample file of random data. This is because I don't have /dev/urandom.
I create a named pipe then:
dd if=mynamed.fifo do=myfile.fifo bs=1024 count=1024
but when I cat a file to the fifo that's 1024 random bytes:
cat randomfile.txt >... (7 Replies)
Discussion started by: Devyn
7 Replies
4. UNIX for Dummies Questions & Answers
I have a text file with 1000 lines, I want to randomly select 200 lines from it and print them as output. How do I go about doing that? Thanks! (7 Replies)
Discussion started by: evelibertine
7 Replies
5. UNIX for Dummies Questions & Answers
Hi guys,
brand new to this thread and very very new to UNIX...so go easy please!
Anyway I have a file that looks like this:
>>--------------------------------------------------------------------------
Date/Time/Eng. : 2012-06-22 / 00:26 / DS
Reported problem : (SD) ... (5 Replies)
Discussion started by: martin0852
5 Replies
6. Shell Programming and Scripting
I am looking at using grep to locate the line in the text file and them use awk to select a word or words out of it.
I know awk needs -v to allow a variable to be used, but also needs -F to allow the break up of the sentence and allow the location of separate variables.
$line = grep "1:" File |... (8 Replies)
Discussion started by: Ironguru
8 Replies
7. Shell Programming and Scripting
I have a text file with hundreds of lines, i wish to run a script and reads a random line to pass it to another command line such as:
for line in `cat file |grep random line`; do echo $line |mail my@example.com ; done
thank you (6 Replies)
Discussion started by: Bashar
6 Replies
8. Shell Programming and Scripting
Hello,
I need to take a random word from a flat text file with words in it seperated by spaces.
The code I am using, always gives me the first word. Can anyone please shed some light on this. Here's my code.
Thanks
echo table roof ceiling jar computer monitor keyboard carpet >... (5 Replies)
Discussion started by: Freakhan
5 Replies
9. UNIX for Dummies Questions & Answers
Hi one and all,
I'm working on a Bash script that is designed to calculate how much IP traffic has passed through a port to determine traffic volume over a given amount of time.
I've currently been able to use the netstat -s command coupled with grep to write to a file the total packets... (13 Replies)
Discussion started by: nistleloy
13 Replies
10. Shell Programming and Scripting
How do I:
1. Have a list of names. JOE, JOHN, PETER, PAT.
how do i get perl to randomly select any two and put them in $name1 and put the other two in $name2 ? (1 Reply)
Discussion started by: perleo
1 Replies