Here is my perl Program:
When i execute this program i get "Format FILE redefined at (eval 2) line 1." warning message. Could anybody explain why i get this warning and how to do away with this. Output of the program is although, correct.
Last edited by Yogesh Sawant; 03-25-2008 at 07:48 AM..
Reason: added code tags
is it possible to use eval to create constants in perl? i cannot seem to get anything to work, and my searches are turning up little to nothing. an example of what i am trying to do is this:
2 arrays:
array 1: 'FOOD','NUMBER','OS'
array 2: 'pizza','two','unix'
loop through the arrays and... (5 Replies)
I used the eval command in shell programming for assigning a value to a stored value of a variable.
Example:
VAR="Unix_Id"
eval $VAR="101"
eval echo $"$VAR"
How can i assign a value to a stored value of a variable in perl OR how i can write above code in Perl?
I need your help... (4 Replies)
Hi all,
some small script with eval turned me to crazy.
my OS is linux
Linux s10-1310 2.6.16.53-0.8.PTF.434477.3.TDC.0-smp #1 SMP Fri Aug 31 06:07:27 PDT 2007 x86_64 x86_64 x86_64 GNU/Linux
below script works well
#!/bin/bash
eval ssh remotehost date
eval ssh remotehost ls
below... (1 Reply)
Hi All,
I read the above written code (perl code) in another perl script and evaluates this code for each line of text file,but using exit statement in code make this not to work and i could not get the desired results. However if i use return it works fine. I just need to know why it doesn't... (1 Reply)
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)
so i'm havin a bit of a issue getting set to recognize a value with spaces as a variable.
this is what i'm doing:
VAR="1 2 4 11 'dogs mouse cars' 50 19 'noise toys' "
set -- ${VAR}
When i issue a command such as the one below:
echo $5 or echo "${5}"
i get
dog
when i... (2 Replies)
I'm trying to find a way to concatenate consecutive rows (key is column $1 and $2) if column $5 an $6 are integers and redefine ranges in columns $3&$4 and $5&$6
Unfortunately I'm still learning the very basics so I cannot figure a way of doing this with awk.
Input file
15 30 21 21 25.0... (11 Replies)