Perl | atan2() Function

Perl | chr() Function

Last Updated : 11 Jul, 2025

The chr() function in Perl returns a string representing a character whose Unicode code point is an integer.

Syntax: chr(Num)
Parameters:
Num : It is an unicode integer value whose corresponding character is returned .
Returns: a string representing a character whose Unicode code point is an integer.

Example 1:

Perl

#!/usr/bin/perl

# Taking some unicode integer value as the parameter
# of the chr() function and returning the corresponding
# characters as output
print chr(71), chr(101), chr(101), chr(107), chr(115);
print "\n";
print chr(102), chr(111), chr(114);
print "\n";
print chr(71), chr(101), chr(101), chr(107), chr(115);

Output:

Geeks
for
Geeks

Example 2:

Perl

#!/usr/bin/perl

# Initialising an array of some unicode integer values
# and retrieving each value and printing their 
# corresponding characters
my @Array = (71, 101, 101, 107, 115);
foreach my $element (@Array) {
    print chr($element);
}

Output :

Geeks

Perl | atan2() Function

K

Kanchan_Ray

Improve

Article Tags :

Similar Reads

Perl | cos() Function

This function is used to calculate cosine of a VALUE or $_ if VALUE is omitted. The VALUE should be expressed in radians. Syntax: cos(VALUE) Parameters: VALUE in the form of radians Returns: Function returns cosine of VALUE. Example 1: Perl #!/usr/bin/perl # Calling cos function $var = cos(5); # Pri

Perl | uc() Function

uc() function in Perl returns the string passed to it after converting it into uppercase. It is similar to ucfirst() function which returns only first character in uppercase. Note: The characters which are already in UpperCase are not modified. Syntax: uc String Returns: string in uppercase. Example

Perl | atan2() Function

This function is used to calculate arctangent of Y/X in the range -PI to PI. Syntax: atan2(Y, X) Parameters: Y and X which are axis values Returns: Function returns arctangent of Y/X in the range -PI to PI. Example1: Perl #!/usr/bin/perl # Assigning values to X and y $Y = 45; $X = 70; # Calling atan

Perl | ord() Function

The ord() function is an inbuilt function in Perl that returns the ASCII value of the first character of a string. This function takes a character string as a parameter and returns the ASCII value of the first character of this string. Syntax: ord string Parameter: This function accepts a single par

Perl | hex Function

The hex function in Perl converts the given hexadecimal number ( of base 16 ) into its equivalent decimal number ( of base 10 ). Syntax: hex number Parameters: number: hexadecimal number to be converted Returns: equivalent decimal number of the given hexadecimal number. Example 1: Perl #!/usr/bin/pe

Perl | getc Function

getc() function in Perl is used to read the next character from the file whose File Handle is passed to it as argument. If no FileHandle is passed then it takes one character as input from the user. Syntax: getc(FileHandle) Parameter: FileHandle: of the file to be read Returns: the character read fr