Perl chr Function
This function returns the character represented by the numeric value of EXPR, or $_ if omitted, according to the current character set. Note that the character number will use the Unicode character numbers for numerical values above 127.
Following is the simple syntax for this function:
chr EXPR chr
This function returns the Character corresponding to the numeric value of EXPR.
Following is the example code showing its basic usage:
#!/usr/bin/perl print chr (35); print "\n"; print chr (38); print "\n"; print chr (40);
When above code is executed, it produced following result:
# & (
NOTE: You might be interested in ASCII Code Lookup Table.