Linear Search in Perl

I wrote this program to demonstrate the concept of linear search using Perl programming language. Feel free to use this code in your assignments and projects in computer programming in Perl.

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Program Listing

# linear_search_array.pl
# Author   : Jake R. Pomperada,MAED-IT,MIT
# Date     : April 10, 2020   Friday  9:25 OM
# Location : Bacolod City, Negros Occidental
# Email    : jakerpomperada@gmail.com
# Website  : http://www.jakerpomperada.com

@$arr=(1..100);
$b=0,$num_input=0;
$c=0, $pos=0;
printf("\n");
printf("\t\tLinear Search in Perl");
printf("\n\n");
printf("\tEnter the array size : ");
chomp($num_input=<STDIN>);
printf("\n");
for($b=0; $b<$num_input; $b++)
{
     printf("\tEnter Array Elements Item No. %d: ",$b+1);   
     chomp($arr[$b]=<STDIN>);
}
printf("\n\n"); 
printf("\tEnter the number to be search : ");
chomp($num_input=<STDIN>);
for($b=0; $b<$num_input; $b++)
{
if($arr[$b]==$num_input)
{
$c=1;
$pos=($b+1);
break;
}
}
if($c==0)
{
printf("\n\n");
printf("\tSorry the number %d is not found from the list.",$num_input);
}
else
{
printf("\n\n");
    printf("\tThe number %d found at position %d.",$num_input,$pos);
}
printf("\n\n");
printf("\tEnd of Program");
printf("\n\n");