9 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Linux 6.X environments (RHEL, Oracle Linux )
I could write basic shell scripts in bash.
In my spare time, I was planning to learn awk or sed to deal with regular expression tasks I have to deal with. But, I gather that python is gaining popularity these days and I came to know that python has a... (5 Replies)
Discussion started by: John K
5 Replies
2. Shell Programming and Scripting
Hello there,
I am trying to get my head around the section below of a script we use that incorporates AWK and Regular Expressions.
{ match($0,"The broker*");print $1,$2,$3 ":", substr($0, RSTART,RLENGTH)}
I have a basic understanding of how match works, what I am struggling with is the... (2 Replies)
Discussion started by: jimbojames
2 Replies
3. Shell Programming and Scripting
Script is: accept filename as argument(also handle CTRL+C).to check whether th file exist in the current directory,it it then using awk find the employees who are either born in 1990 or drawing a salary greater than 25000.
In my database file 1st field is of id ,2nd field is name,5th field is of... (5 Replies)
Discussion started by: Priyanka Bhati
5 Replies
4. Shell Programming and Scripting
#!/usr/bin/perl
$word = "one last challenge";
if ( $word =~ /^(\w+).*\s(\w+)$/ )
{
print "$1";
print "\n";
print "$2";
}
The output shows that "$1" is with result one and "$2" is with result challenge. I am confused about how this pattern match expression works step by step. I... (8 Replies)
Discussion started by: DavidHe
8 Replies
5. Shell Programming and Scripting
Hi Experts,
Can you please help me out for the below scenario,
I have a variable length file with the fixed number of columns, in which the fields are delimited by pipe symbol (|). From that file I have to extract the lines which has the following scenario,
The field1 in a... (1 Reply)
Discussion started by: chella
1 Replies
6. Shell Programming and Scripting
Hi,
lam taking the IP address as input from the user. I want to test whether the user has entered the IP address in the right format or not.
Can any one suggest me the syntax to test the user given IP address ASAP. Its a bit urgent.
Regards,
:) (2 Replies)
Discussion started by: vnPrasanna
2 Replies
7. Shell Programming and Scripting
How can i create a regular expression which can detect a new line charcter followed by a special character say * and replace these both by a string of zero length?
Eg:
Input File san.txt
hello
hi ... (6 Replies)
Discussion started by: sandeep_hi
6 Replies
8. Shell Programming and Scripting
anyone know if there is a way to use an array in a regular expression. suppose i want to find out if $sometext contains one of an array's elements. Obviously the code below doesn't work, but is there something similar that does work?
@array = qw/thing1 thing2 thing3/;
if ($sometext =~... (3 Replies)
Discussion started by: quantumechanix
3 Replies
9. Programming
How do I use the regular expressions in c++? (2 Replies)
Discussion started by: szzz
2 Replies
