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Full Discussion: How to get the correct hash value in perl?
Top Forums Shell Programming and Scripting How to get the correct hash value in perl? Post 302561751 by vanitham on Wednesday 5th of October 2011 06:28:37 AM
Old 10-05-2011
How to get the correct hash value in perl?
Hi,

I have 2 dummy strings below.

I am creating a hash.

Code:
@str = qw(karnataka,tamilnadu,bihar,mumbai);
@str1 = qw(bangalore,chennai,patna,panaji);
%hash;
for($i=0;$i<=$#str;$i++) {
push @{ $hash{ $str[$i] } }, $str1[$i];
}
foreach $key (keys %hash) {
print "\n KEY: $key --- @{$hash{$key}} \n";
}

OUTPUT:
Code:
 KEY: karnataka,tamilnadu,bihar,mumbai --- bangalore,chennai,patna,panaji

How to print in Key/value pair?

The output should be:
Code:
karnataka - Bangalore
tamilnadu -  chennai
bihar       - patna
mumbai   - panaji

If user specifies karnataka as a key it should output as Bangalore.

Code:
if(key == karnataka )

{

print Bangalore;

}

How can i do this in perl?

REgards
Last edited by pludi; 10-05-2011 at 07:49 AM..
 

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LEARN ABOUT PHP

strcoll

STRCOLL(3)								 1								STRCOLL(3)

strcoll - Locale based string comparison

SYNOPSIS

       int strcoll (string  $str1, string  $str2)

DESCRIPTION

	Note that this comparison is case sensitive, and unlike strcmp(3) this function is not binary safe.

       strcoll(3)  uses  the  current  locale  for doing the comparisons. If the current locale is C or POSIX, this function is equivalent to str-
       cmp(3).

PARAMETERS

	      o $str1
		- The first string.

	      o $str2
		- The second string.

RETURN VALUES

	Returns < 0 if $str1 is less than $str2; > 0 if $str1 is greater than $str2, and 0 if they are equal.

CHANGELOG

       +--------+------------------------------------+
       |Version |				     |
       |	|				     |
       |	|	     Description	     |
       |	|				     |
       +--------+------------------------------------+
       | 4.2.3	|				     |
       |	|				     |
       |	|  This function now works on win32. |
       |	|				     |
       +--------+------------------------------------+
SEE ALSO

       preg_match(3), strcmp(3), strcasecmp(3), substr(3), stristr(3), strncasecmp(3), strncmp(3), strstr(3), setlocale(3).

PHP Documentation Group 														STRCOLL(3)
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