10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hello All,
I am trying to use perl eval in a complex code and below given is a pseudo code of my logic.
Here $result evalutes to empty.
Please help.How should I retrieve of $t where $f just hold the name of varaible i.e t
$t=10;
$f='$t';
$result=eval "\$$f";
print "$result\n"; (3 Replies)
Discussion started by: prasperl
3 Replies
2. Web Development
Can anyone tell me how to export a variable from one perl CGI script to another perl cgi script when using a redirect.
Upon running the login.pl the user is prompted to enter user name and password. Upon entering the correct credentials (admin/admin) the user is
redirected to welcome page.
My... (3 Replies)
Discussion started by: Arun_Linux
3 Replies
3. Shell Programming and Scripting
Hi, I have implement queue but it take last element instead of fist element
#!/usr/bin/perl -w
print "Enter page Access";
chomp ($item = <STDIN>);
my @queue = split /\s+/, $item;
print "Enter a page frame";
$frame = <STDIN>;
if ( $frame >= 3 )
{
$fifo = pop @queue;
print... (1 Reply)
Discussion started by: guidely
1 Replies
4. Shell Programming and Scripting
hello, can anyone help me with this problem? im just a beginner and currently starting to program in perl, also i just installed openssh because what i really need is to ssh to a ubuntu server.
so I tried my code:
#!/usr/bin/perl
use strict;
use warnings;
use Net::OpenSHH;
my $ssh =... (4 Replies)
Discussion started by: samohung390
4 Replies
5. Shell Programming and Scripting
I got the below error when using the below code...it seem that perl interpret the "'" in the middle and therefore the pipe is not finished.
perl -wle '
@a=`who| perl -wlane 'print \$F;' | sort -u` ;
chomp @a ;
print @a;
'
the error message in cygwin is:-
perl: No match.
| sort... (12 Replies)
Discussion started by: ahmad.diab
12 Replies
6. Programming
I am trying to run the following script which is a file format converter. The frame variable in the input file has a file of 3,2,1 which needs to be 0,1,2 respectively i.e. 3 =0 etc.
I have included the tr/// function into the script to do this, however it does not seem to be working
input its... (2 Replies)
Discussion started by: fordie
2 Replies
7. Shell Programming and Scripting
A C G T -
A 5 -4 -4 -4 -5
C -4 5 -4 -4 -5
G -4 -4 5 -4 -5
T -4 -4 -4 5 -5
- -5 -5 -5 -5 0
So lets say I have a matrix which looks something like (above). Its basically a scoring matrix. the numbers are... (2 Replies)
Discussion started by: aj05
2 Replies
8. Shell Programming and Scripting
Hi,
I'm writing one perl script to select only a number part from a line. These lines looks as:
raj born on 20080201 at delhi
result for the equation is (886005)
peter get married on 20031230
Maria born on 20080201 at paris
my output file should only contains the numbers, by removing... (1 Reply)
Discussion started by: Lokesha
1 Replies
9. Shell Programming and Scripting
if (($fields eq $hwp) && ($fields eq 'Y'))
{
$fields = "INTEGRAL";
}
elsif ($fields eq $hwp)
{
$fields = "INTEGRAL";
}
elsif ($fields ne $hwp)
{
$fields = "SEPARATE";
}
print "$fields $fields $fields\n";
Output:
The problem here is that the first... (2 Replies)
Discussion started by: kamitsin
2 Replies
10. Shell Programming and Scripting
I have been recently given a PERL script to develop, but the main problem is that the perl version that I have to use is old, also I cant download modules from CPAN.
Perl version 5.0005
I didnt realise this untill I had the script ready to be tested, so there are a few modules that I have... (6 Replies)
Discussion started by: meevagh
6 Replies