09-08-2008
if I enter in cat filename | grep 'searched text' it comes back with nothing
if I enter in grep 'searched text' filename it comes back with nothing
Its not giving any errors. I can do it on other files just fine. It is very strange.
10 More Discussions You Might Find Interesting
1. OS X (Apple)
I've been trying to figure this out since last night, and I'm just stumped. The last time I did any shell scripting was 8 years ago on a Unix box, and it was never my strong suit. I'm on a Mac running Leopard now. Here's my dilemma - hopefully someone can point me in the right direction.
I'm... (10 Replies)
Discussion started by: Daniel M. Clark
10 Replies
2. 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
3. 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
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. 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
6. 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
7. Shell Programming and Scripting
Hi there,
I have 2 files that I am trying to work on.
File 1 contains a reference list of unique subscriber numbers ( 7 million entries in total)
File 2 contains a list of the subscriber numbers and their tariff (15 million entries in total). This file is in the production system and... (12 Replies)
Discussion started by: Cludgie
12 Replies
8. Shell Programming and Scripting
Hi,
Recently I got a .txt file from Mac user. when I try to open it in my Ubuntu machine using cat command it is not displaying any content of file however I can see the content using vi.
Anyone know How to see its content using cat as I have to process it in my shell script.
Thanks in... (4 Replies)
Discussion started by: diehard
4 Replies
9. 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
10. UNIX for Dummies Questions & Answers
Hello,
I am facing a typical problem in my code . If I run bcp alone it is working fine if I run BCP with cat it is not working . Not able to find where the error is occurring in cat . Can you please help
bcp ${_DBName}..logfile in ${_currdate} -f$PANEL_HOME/format/logfile.fmt -Q -U$_UserId... (11 Replies)
Discussion started by: arunkumar_mca
11 Replies