10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
I have 133 .txt files in a directory that I am combining into 1 file. The problem is when I use awk or cat to combine the files I get out put like this:
output
85 138662360 KCNT1
86 138662962 KCNT1
82 138657053 KCNT1
83 138657635 KCNT1
95 138646881 KCNT1... (12 Replies)
Discussion started by: cmccabe
12 Replies
2. 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
3. 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
4. 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($3)}'`
any idea for the reason ? (5 Replies)
Discussion started by: nimafire
5 Replies
5. Shell Programming and Scripting
Is there a way using grep or cat a file to create a new file based on whether the first 9 positions of each record is less than 399999999?
This is a fixed file format. (3 Replies)
Discussion started by: ski
3 Replies
6. Shell Programming and Scripting
I am not sure if using cat -n is the most efficient way to split a file into multiple files, one file per line in the source file.
I thought using cat -n would make it easy to process the file because it produces an output that numbers each line that I could then grep for with the regex "^ *$i".... (3 Replies)
Discussion started by: kapu
3 Replies
7. 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
8. UNIX for Dummies Questions & Answers
Hi,
This is what I am trying to do.
1) connect to 3 remote servers from my local machine
serverA serverB serverC
2) read error file from each server
cat /var/lib/mysql/mydb.err
3) grep for lines displaying "yesterday" date
grep "`date +%y%m%d' '-d\"1 day ago\"`"
4) Append those lines to a... (7 Replies)
Discussion started by: shantanuo
7 Replies
9. 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
10. Shell Programming and Scripting
Hi,
I'd like to grep two variables that are seperated with one space in ksh.
var1="Feb"
var2="09"
I tried to grep "$var1 ""$var2" /usr/file
It turn into grep Feb 09 /usr/file when it runs.
I got error.
Can some one help me with this one?
Thanks a lot for your help! (4 Replies)
Discussion started by: cin2000
4 Replies