Is it possible to make function variables local?
I mean for example, I have a script variable 'name' and in function I have declared variable 'name'
I need to have script's 'name' have the same value as it was before calling the function with the same declaration.
The way to preserve a... (5 Replies)
Hi,
I have the following statement which parses a string for me and prints it out:
l_comp="dc000.runksh.test.ksh|
$g_sql/dc0000.runksh_test.sql|new.dat|control.ctl"
echo $l_comp | awk -F"|" '{ for ( i = 1; i <= NF; i++) { print $i; } } '
Rather then printing the data, I would like to... (5 Replies)
Here is the following code :
1.
# gcc -c test firstprog.c
the above command will generate a executable file called "test " in which ever directory it is run.
Assuming It will also return a value.
2. In the below SCRIPT . test is a file generated by compiling a c program... (3 Replies)
Hi
I have the following script :
#!/bin/ksh
#################### Function macAddressFinder ########################
macAddressFinder()
{
`ifconfig -a > ipInterfaces`
`cat ipInterfaces`
}
#######################################################################
#
#
print... (2 Replies)
Hello,
I have Individual function in my shell script ,
Function1
{
Master activities
}
Function2
{
Sub activities 1
}
Function3
{
Sub activities 2
}
… (2 Replies)
Hey, i got this 2 file. When i try to pick option 1, which is test1, it says ./test: test1: not found.
Any idea on how i can fix it?
#!/bin/sh
QUIT=0
`dirname $0`/testfile
while ;
do
testmenu
read option
case $option in
1) test1 ;;
2) test2 ;;
3) echo... (2 Replies)
When i use ssh command to execute local script on remote server , I am unable to do it.
Please let me know how this can be done in ksh
req=abc
dte=ghd
ssh username@hostname "$req $dte" < run_script.sh (2 Replies)
Hello
For HP-UX, ksh shell, is it possible to define functions and call them by another user ? For example
<function_name> ( ) {
command1
command2
}
su - <user> -c <function_name>
Or the only option is defining the user in the function itself as follows -
<function_name> ( )... (2 Replies)
Dear Experts,
I have found this script on internet that can be used to execute local script remotely
#!/bin/bash
# runremote.sh
# usage: runremote.sh localscript remoteuser remotehost arg1 arg2 ...
realscript=$1
user=$2
host=$3
shift 3
# escape the arguments
declare -a args
... (4 Replies)
Discussion started by: mukulverma2408
4 Replies
LEARN ABOUT DEBIAN
devel::refcount
Devel::Refcount(3pm) User Contributed Perl Documentation Devel::Refcount(3pm)NAME
"Devel::Refcount" - obtain the REFCNT value of a referent
SYNOPSIS
use Devel::Refcount qw( refcount );
my $anon = [];
print "Anon ARRAY $anon has " . refcount($anon) . " reference
";
my $otherref = $anon;
print "Anon ARRAY $anon now has " . refcount($anon) . " references
";
DESCRIPTION
This module provides a single function which obtains the reference count of the object being pointed to by the passed reference value.
FUNCTIONS
$count = refcount($ref)
Returns the reference count of the object being pointed to by $ref.
COMPARISON WITH SvREFCNT
This function differs from "Devel::Peek::SvREFCNT" in that SvREFCNT() gives the reference count of the SV object itself that it is passed,
whereas refcount() gives the count of the object being pointed to. This allows it to give the count of any referent (i.e. ARRAY, HASH,
CODE, GLOB and Regexp types) as well.
Consider the following example program:
use Devel::Peek qw( SvREFCNT );
use Devel::Refcount qw( refcount );
sub printcount
{
my $name = shift;
printf "%30s has SvREFCNT=%d, refcount=%d
",
$name, SvREFCNT($_[0]), refcount($_[0]);
}
my $var = [];
printcount 'Initially, $var', $var;
my $othervar = $var;
printcount 'Before CODE ref, $var', $var;
printcount '$othervar', $othervar;
my $code = sub { undef $var };
printcount 'After CODE ref, $var', $var;
printcount '$othervar', $othervar;
This produces the output
Initially, $var has SvREFCNT=1, refcount=1
Before CODE ref, $var has SvREFCNT=1, refcount=2
$othervar has SvREFCNT=1, refcount=2
After CODE ref, $var has SvREFCNT=2, refcount=2
$othervar has SvREFCNT=1, refcount=2
Here, we see that SvREFCNT() counts the number of references to the SV object passed in as the scalar value - the $var or $othervar
respectively, whereas refcount() counts the number of reference values that point to the referent object - the anonymous ARRAY in this
case.
Before the CODE reference is constructed, both $var and $othervar have SvREFCNT() of 1, as they exist only in the current lexical pad. The
anonymous ARRAY has a refcount() of 2, because both $var and $othervar store a reference to it.
After the CODE reference is constructed, the $var variable now has an SvREFCNT() of 2, because it also appears in the lexical pad for the
new anonymous CODE block.
PURE-PERL FALLBACK
An XS implementation of this function is provided, and is used by default. If the XS library cannot be loaded, a fallback implementation in
pure perl using the "B" module is used instead. This will behave identically, but is much slower.
Rate pp xs
pp 225985/s -- -66%
xs 669570/s 196% --
SEE ALSO
o Test::Refcount - assert reference counts on objects
AUTHOR
Paul Evans <leonerd@leonerd.org.uk>
perl v5.14.2 2011-11-15 Devel::Refcount(3pm)