- Perl Basics
- Perl - Home
- Perl - Introduction
- Perl - Environment
- Perl - Syntax Overview
- Perl - Data Types
- Perl - Variables
- Perl - Scalars
- Perl - Arrays
- Perl - Hashes
- Perl - IF...ELSE
- Perl - Loops
- Perl - Operators
- Perl - Date & Time
- Perl - Subroutines
- Perl - References
- Perl - Formats
- Perl - File I/O
- Perl - Directories
- Perl - Error Handling
- Perl - Special Variables
- Perl - Coding Standard
- Perl - Regular Expressions
- Perl - Sending Email
- Perl Advanced
- Perl - Socket Programming
- Perl - Object Oriented
- Perl - Database Access
- Perl - CGI Programming
- Perl - Packages & Modules
- Perl - Process Management
- Perl - Embedded Documentation
- Perl - Functions References
- Perl Useful Resources
- Perl - Questions and Answers
- Perl - Quick Guide
- Perl - Useful Resources
- Perl - Discussion
Perl uc Function
Description
This function returns an uppercased version of EXPR, or $_ if not specified. Check ucfirst() function which will return only first character in uppercase.
Syntax
Following is the simple syntax for this function −
uc EXPR uc
Return Value
This function returns String in uppercase.
Example
Following is the example code showing its basic usage −
#!/usr/bin/perl -w $string = 'the cat sat on the mat.'; $u_string = uc($string); print "First String |$string|\n"; print "Second String |$u_string|\n";
When above code is executed, it produces the following result −
First String |the cat sat on the mat.| Second String |THE CAT SAT ON THE MAT.|
perl_function_references.htm
Advertisements