10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hello.
I'm new to Perl and I am not sure how to interpret command line arguments in the program. I am writing a program similar to the Unix utility 'tail' and need to check if first argument is '-1' (1) or any arbitrary number of lines to output. How would I write an 'if' statement to check for... (4 Replies)
Discussion started by: D2K
4 Replies
2. Homework & Coursework Questions
Use and complete the template provided. The entire template must be completed. If you don't, your post may be deleted!
1. The problem statement, all variables and given/known data:
This subroutine needs to check if there was a file name given on the command line. If so, return that. Otherwise... (1 Reply)
Discussion started by: yonkers062986
1 Replies
3. Shell Programming and Scripting
How to do I get the return code of a subroutine in a perl module if invoke the subroutine as standalone,
I have an module say TestExit.pm and in that i have a subroutine say myTest() which is returns 12, if i were to call the subroutine from
command line like
CASE:1 ( Without an explict... (2 Replies)
Discussion started by: ennstate
2 Replies
4. Shell Programming and Scripting
Hi All,
I am trying to pass an argument called "Pricelist" to a Perl function, then the function will open and print out the contents of the file named "Pricelist". But i can't seem to do it using my below code. Can any expert give some advice?
#!/usr/local/bin/perl
$DATABASE =... (1 Reply)
Discussion started by: Raynon
1 Replies
5. Shell Programming and Scripting
Hello experts,
How we can find out,that what is type of a scalar variable? i.e a scalar var contain a number or a string.
Thanks in advance. (8 Replies)
Discussion started by: Zaxon
8 Replies
6. Shell Programming and Scripting
Hi,
My perl script takes few switches which i'm parsing through GetOpt::Long module.
My script looks like something :
myscript.pl --file="foo" --or --file="bar"
The --file switch takes 2 arguments foo and bar.
The 2 values of file are separated by --or switch. I want to ensure that... (1 Reply)
Discussion started by: obelix
1 Replies
7. Shell Programming and Scripting
I am using perl 5.8.0.
I need to check some values to see it they are floats. Our system does not have Data::Types so I can't use is_float. Is there something else that I can use? The only thing in Data is Dump.pm. I am not allowed to download anything to our system so I have to use what I have.... (3 Replies)
Discussion started by: ajgwin
3 Replies
8. Shell Programming and Scripting
Can anybody please tell me how can I determine whether a file is SYMBOLIC LINK, using the stat() function ?
So far I have this:
my @attrs = stat($fileName);
my $mode = $attrs;
What next ? (1 Reply)
Discussion started by: the_learner
1 Replies
9. Shell Programming and Scripting
hello all how can i get the type of variable in perl like
typeof(var); in javascript for instance ? to know if the variable is int or string ? (2 Replies)
Discussion started by: umen
2 Replies
10. Shell Programming and Scripting
Hello
i will like to know please how can i determine file type inside perl script
not using the unix "file" program
Thanks allot (1 Reply)
Discussion started by: umen
1 Replies