I know how to ping in Perl. That is easy. What I am wondering is if there is a way for Perl to determine whether the ping was successful or not. Or do I need to save the results out and parse the results seperately looking for the #of tries and successful revieves.
Thanks. (1 Reply)
I have a variable (say $A) and while passing it gets either a number or some other string. Now how can test (with if else) whether the variable is just a ne or something else ?
Thanks a lot to all in advance
C Saha (2 Replies)
Hi there,
I wonder if it is possible the determine a name of a directory which is different on various hosts.
Let me try to explain.
I have the directory /tmp/dir1/dir2/canchangedir.
This directory name is different on various hosts.
I need to use the directory name, independent from the... (2 Replies)
Hi there,
I tried and tried, but cannot solve this myself.
I have this string:
enterprises.alcatel.nmu.genos.alarmHandoff.alarmHandoffPurge.purgelistAlarmIds.0 = {alarmId=63868|friendlyName=Dortmund/r01sr1sl01/port#06-#01-Vc12|probableCause=Server Signal... (3 Replies)
Possible filenames:
CDD_Whatever.txt
DDD_Whatever.txt
If the file prefix = CDD, I'd like to prefix every person ID (second column in my examples below) on the file with "c-"
If the file prefix = DDD, I'd like to prefix ever person ID with "d-"
Input:
Desired Output:
Any help... (2 Replies)
Dear All,
I have a string "1234567899*0#123456789#", it can be divided into:
- 1st: 1234567899 Validation: 10 digits, only 0-9
- 2nd: *0# Fixed Value
- 3rd: 123456789 Validation: 9 digits, only 0-9
- 4th: # Fixed Value
Would like to know if any 1 line statement perl,... (5 Replies)
Trying to find out how to discover if the first 2 characters of a string are "22"
Not sure how.
I could use
if ]; then echo "yes";fi
But I think that will only grab the pattern 22 and not the first 2 digits. (5 Replies)
Discussion started by: newbie2010
5 Replies
LEARN ABOUT PHP
get_defined_vars
GET_DEFINED_VARS(3) 1 GET_DEFINED_VARS(3)get_defined_vars - Returns an array of all defined variablesSYNOPSIS
array get_defined_vars (void )
DESCRIPTION
This function returns a multidimensional array containing a list of all defined variables, be them environment, server or user-defined
variables, within the scope that get_defined_vars(3) is called.
RETURN VALUES
A multidimensional array with all the variables.
EXAMPLES
Example #1
get_defined_vars(3) Example
<?php
$b = array(1, 1, 2, 3, 5, 8);
$arr = get_defined_vars();
// print $b
print_r($arr["b"]);
/* print path to the PHP interpreter (if used as a CGI)
* e.g. /usr/local/bin/php */
echo $arr["_"];
// print the command-line parameters if any
print_r($arr["argv"]);
// print all the server vars
print_r($arr["_SERVER"]);
// print all the available keys for the arrays of variables
print_r(array_keys(get_defined_vars()));
?>
SEE ALSO isset(3), get_defined_functions(3), get_defined_constants(3).
PHP Documentation Group GET_DEFINED_VARS(3)