10 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
Hi Guys
This is my first post so I am not sure how things go here. I'm sorry if I'm breaking the rule or something. Feel free to correct me about that :)
So as I was saying...
I'd been trying to grep this folder containing 900,000 txt files but seems no luck. I get either "No such file... (6 Replies)
Discussion started by: Nexeu
6 Replies
2. Shell Programming and Scripting
Hello
someone told me to use
OS=`awk '{print int($3)}' < /etc/redhat-release`
instead of
OS=cat /etc/redhat-release | `awk '{print int($3)}'`
any idea for the reason ? (5 Replies)
Discussion started by: nimafire
5 Replies
3. UNIX for Dummies Questions & Answers
Hello,
i need to search one word (snp1) from many files and copy the content of the columns of this word in new file.
example:
file 1:
SNP BP CHR P
snp1 1 3 0.01
snp2 2 2 0.05
.
.
file 2:
SNP BP CHR P
snp1 1 3 0.06
snp2 2 2 0.3
output... (6 Replies)
Discussion started by: biopsy
6 Replies
4. Shell Programming and Scripting
Is there a way using grep or cat a file to create a new file based on whether the first 9 positions of each record is less than 399999999?
This is a fixed file format. (3 Replies)
Discussion started by: ski
3 Replies
5. Shell Programming and Scripting
I am not sure if using cat -n is the most efficient way to split a file into multiple files, one file per line in the source file.
I thought using cat -n would make it easy to process the file because it produces an output that numbers each line that I could then grep for with the regex "^ *$i".... (3 Replies)
Discussion started by: kapu
3 Replies
6. Shell Programming and Scripting
Hi All,
I'd like to do this
cat /etc/passwd
and grep -v on the /etc/shells list
I'd like to find all shell that doesn't exist on the /etc/passwd.
Is there an easy way without doing a egrep -v "/bin/sh|/bin/bash................"?
How do I use a file /etc/shells as my list for... (4 Replies)
Discussion started by: itik
4 Replies
7. Shell Programming and Scripting
Hi all,
Here is my requirement
I have to search 'ORA' word in out.log file,if it is present then i need to send that file (out.log) content to some mail id.If 'ORA' word is not in that file then i need to send 'load succesful' message to some mail id.
The below the shell script is not... (5 Replies)
Discussion started by: mak_boop
5 Replies
8. Shell Programming and Scripting
Hi all,
I have a file like the following:
ID,
2,Andrew,0,1,2,3,4,2,5,6,7,7,9,3,4,5,34,3,2,1,5,6,78,89,8,7,6......................
4,James,0,6,7,0,5,6,4,7,8,9,6,46,6,3,2,5,6,87,0,341,0,5,2,5,6....................
END,
(there are more entires on each line but to keep it simple I've left... (10 Replies)
Discussion started by: Donkey25
10 Replies
9. Shell Programming and Scripting
Hello,
So I sorted my file as I was supposed to:
sort -n -r -k 2 -k 1 file1 | uniq > file2
and when I wrote
> cat file2
in the command line, I got what I was expecting, but in the script itself
...
sort -n -r -k 2 -k 1 averages | uniq > temp
cat file2
It wrote a whole... (21 Replies)
Discussion started by: shira
21 Replies
10. UNIX for Advanced & Expert Users
I am trying to cat a file and then grep that file for a number. I can do it fine on other files but this particular file will not do anything. I tried running it on an older file from the same device but it is just not working. The file is nothing more than a flat file on a unix box. Here is just a... (3 Replies)
Discussion started by: jphess
3 Replies