not sure if i should post here or "shell programming"
anyway, i am just start learning perl.
1 #!/usr/local/bin/perl
2
3 $test1="Iam";
4 if ($test1=="anything")
5 {
6 print "show me\n";
7 }
when i run the program, it display "show me" all... (3 Replies)
I have the following problem, which I need done in Perl/ or Python using Unix/linux filters...
1. You have a very large file, named 'ColCheckMe', tab-delmited, that you are asked to process. You are told that each line in 'ColCheckMe' has 7 columns, and that the values... (1 Reply)
I am totally new to perl. I am modifying someone else's script. I have the following output:
# ./some-perlscript
A
B
C
D
E
B - E, is generated through the print command that I put in the script. I want to remove A, it seems it is generated automatically by a custom OS it is querying when... (3 Replies)
Hi, I am practicing a very simple perl programming, what i want to do is reverse the string
what is wrong with the following
Thanks
$string = "abcdef";
@array = split(//, $string);
$length =length @array
for ( i=1;i< $length+1;i++)
{
print "$_\n";
} (5 Replies)
Hello All,
I'm trying to run a simple perl script and have the below error. Tried to google it but could not get a precise solution. Could you please help me out.
Can't locate object method "are" via package "equal" (perhaps you forgot to load "equal"?) at ./equal.pl line 9, <STDIN> line 2.
... (3 Replies)
Hello all!
This is my first post and I'm very new to programming. I would like help creating a simple perl or bash script that I will be using in my work as a junior bioinformatician.
Essentially, I would like to take a tab-delimted or .csv text with 3 columns and write them to a "3D" matrix:
... (16 Replies)
Hi friends,
I'm very new to perl and got some requirement.
I've input numbers which has size of 17 characters like below:
-22500.0000000000
58750.00000000000
4944.000000000000
-900.000000000000
272.0000000000000
I need to convert these numbers from negative to positive and positive... (4 Replies)
Hi all
i want a program have input file .txt and process it then got output
Ex:
input:
King Saud University say hi
Mr.Ahmed Cena have a car
perl is good !
Dr.john is good!
output:
KSU say hi
Mr.AC have a car
perl is good!
Dr.John is good!
so the process take the String has... (3 Replies)
Hello,
I'm completely new to Perl and I'm just looking for a quick answer to some code I'm trying to come up with. I'm trying to access a website, part of the URL I want the user to be able to define via standard input. As you can see below I'm still trying to get the syntax.
... (2 Replies)
English(3pm) Perl Programmers Reference Guide English(3pm)NAME
English - use nice English (or awk) names for ugly punctuation variables
SYNOPSIS
use English;
use English qw( -no_match_vars ) ; # Avoids regex performance penalty
# in perl 5.16 and earlier
...
if ($ERRNO =~ /denied/) { ... }
DESCRIPTION
This module provides aliases for the built-in variables whose names no one seems to like to read. Variables with side-effects which get
triggered just by accessing them (like $0) will still be affected.
For those variables that have an awk version, both long and short English alternatives are provided. For example, the $/ variable can be
referred to either $RS or $INPUT_RECORD_SEPARATOR if you are using the English module.
See perlvar for a complete list of these.
PERFORMANCE
NOTE: This was fixed in perl 5.20. Mentioning these three variables no longer makes a speed difference. This section still applies if
your code is to run on perl 5.18 or earlier.
This module can provoke sizeable inefficiencies for regular expressions, due to unfortunate implementation details. If performance matters
in your application and you don't need $PREMATCH, $MATCH, or $POSTMATCH, try doing
use English qw( -no_match_vars ) ;
. It is especially important to do this in modules to avoid penalizing all applications which use them.
perl v5.18.2 2014-01-06 English(3pm)