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# PERL ucfirst Function

## Syntax

ucfirst EXPR ucfirst

## Definition and Usage

Returns the value of EXPR with only the first character uppercased. If EXPR is omitted, then uses $_.

## Return Value

- String with first character in uppercase.

## Example

    #!/usr/bin/perl -w

    $string = 'the cat sat on the mat.';
    $u_string = ucfirst($string);

    print "First String |$string|\n";
    print "Second String |$u_string|\n";

It will produce following results:

    First String |the cat sat on the mat.|
    Second String |The cat sat on the mat.|

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