Using Perl Chr() and Ord() Functions

Using Perl Chr() and Ord() Functions The Perl programming languages  chr() and ord() functions are used to convert characters into their ASCII or Unicode values and vice versa. Chr() takes an ASCII or Unicode value and returns the equivalent character, and ord() performs the reverse operation by converting a character to its numeric  value.   Perl Chr() Function The chr() function returns the character represented by the number specified. For example: #!/usr/bin/perl print chr (33) print /n; print chr (36) print /n; print chr (46) print /n; When this code is executed, it produces this result: ! $ Note: The characters from 128 to 255  are by default not encoded as UTF-8 for backward compatibility reasons. Perls Ord() Function The ord() function does the opposite. It takes a character and converts it into its ASCII or Unicode numeric value. #!/usr/bin/perl print ord (A); print /n; print ord  (a); print /n; print ord  (B); print /n; When executed, this returns: 65 97 66 You can confirm the results are accurate  by checking an ASCII Code Lookup Table online. About Perl Perl was created in the mid-80s, so it was a mature programming language long before websites exploded in popularity. Perl  was originally designed for text processing, and it is compatible with HTML and other markup languages, so it quickly became popular with website developers. Perls strength lies in its ability to interact with its environment and its cross-platform compatibility. It can easily open and manipulate many files within the same program.