Answer / kiruthikau

my $i;
my $str="hello";
my @str=split('',$str);
for($i=$#str;$i>=0;$i--)
{

print $str[$i];
}

Answer / vipul dalwala

#!/usr/bin/perl

my $str = "hello";
$revstr = "";

while($str =~ /(.)/g)
{
$revstr = $1.$revstr;
}

print $revstr."\n";

Answer / kiran pawar

my $string = "kiran";

my @name = split//,$string;

while(@name){

print pop @name;

}

Answer / arukumar g m

my $string="hello";
my $str;
my $i = length($string);
while($i>0) {
my $nthstr = substr($string, $i-1, 1);
$str.=$nthstr;
$i = $i-1;
}
print $str;

Answer / uma from sswdept - hov service

$strin = "uma";
print "\n \$strin <$strin>";

$len = length($strin);
@arr = split(//,$strin);
print "\n \$len $len \@arr <@arr>";

for($i=$len-1;$i>=0;$i--)
{
print $arr[$i];
$retVal .= join(//,$arr[$i]);
print "\n retVal <$retVal> ";
}

Answer / venkatesh

#!/usr/bin/perl
$a = "Venky";
@c;
@b = split("", $a);
foreach $char (@b){
unshift(@c, $char);
}
$value = join("", @c);
print "$value\n";

Answer / pallavi w

#!/usr/bin/perl -w
2
3 use strict;
4 my $string = "STRING";
5 my $rev_string = join "", reverse (split ("", $string));
6
7 print "The String is ". $string ."\n";
8 print "The reverse string is ". $rev_string ."\n";

Answer / go

ghw#
wled
@w
ws

What is perl dbi?

0 Answers  

while (my ($key, $value) = each(%ENV)) { print "$key - $value\n"; } What does the above sample code produce? What function do you use for reading a list of files within a directory? my %hash = ( 'hi' => {'hello' => 'all'}, 'bye' => {'later' => 'gone'} ); print $hash{'hi'}; What is printed when the above code is executed? sub new { my $pkg = shift; my $test = {'name' => shift;}; ???? return $test; } Which one of the following replaces "????" in the above code in order to cause the function new to return an object of type "Test"? while (<STDIN>) { ???? print "$_\n"; } Which one of the following statements causes the above code to strip all whitespace from the end of all lines of input and to print the resulting lines to standard output while (my ($key,$value) = each(%hash)) { print "$key - $value\n"; delete $hash{$key}; } open(FILE,"<file.dat"); my $data = ''; { local $/ = undef; $data = <FILE>; } close(FILE); my $foo = 21; $foo <<= 5; $foo >>= 4; print $foo; @arr = (1,2,3); {local $" = "\n"; print "@arr\n"; } my $line = "Hello World"; substr($line,5,2) = "abc"; print $line; Why is sprintf rarely used in perl in comparison to similar (or the same) functions in other languages? my $subRef = sub {print shift;}; How is the subroutine above called with one parameter? How can the values of an associative array be placed in sorted order in a new array? What function is often necessary for building data structures to be passed to low-level routines such as ioctl and fcntl? sub foo { if (shift(@_) > 0) { shift; } } print foo(10,5); print foo(-10,5); What does the above sample for (my $i = 1; $i <= 3; $i++) { print 1..$i; print "\n"; } my $data = 5**3 * 12,2+2; print $data; sub foo { my $value = shift; if ($value) { print 1; shift; } else { return shift(@_) + 3; } } print foo(10,20); What is printed as the result of executing the above code? $var = 20; sub s1 { print "$var "; } sub s2 { local $var = 10; s1;} sub s3 { my $var = 30; s1;} s3; s2; s1; On systems that record file ownership, how may the owner of a file be identified? Which one of the following sets $y to be a copy of $x with every occurrence of foo changed to bar? Which one of the following is an array literal that represents a 4-element array containing the numbers 1, 4, 2, and 6? sub foo {2*shift || 'x';} printf ("%s %s %s", foo(5),foo(0),foo(-5)); What does the above sample code print? Suppose $x contains a number. Which one of the following statements sets $y to be a string containing the octal value of $x?

2 Answers  

what are prefix dereferencer and list them out?

0 Answers  

What does read () command do?

0 Answers  

What is the difference between die and exit in perl?

0 Answers   HCL,

How to connect with sqlserver from perl and how to display database table info?

0 Answers  

Is there any way to add two arrays together?

0 Answers  

Which web site will help the student to download the Java mini Project ?

3 Answers  

How will you create a file in perl?

0 Answers  

Difference between the variables in which chomp function work ?

0 Answers  

Can any1 tell me 2 write the script using perl script 2 looking at a log file 2 see wheather the test has passed or not.

3 Answers   TCS,

What can be done for efficient parameter passing in perl? Explain.

0 Answers