This is a simple script that will ask you for temperature (Celsius or Fahrenheit) and convert it to fahrenheit (if celsius) or Celsius (If Fahrenheit)
Download the code git clone https://github.com/N1co1asB1ancon1/perl_temperature_calculator
CHANGE PERMISSIONS IF NECESSARY! chmod +x celsius2fahrenheit.pl
Run the code perl celsius2fahrenheit.pl
ENJOY!
Most of the code has ben totally stolen from the book Mastering Regular Expressions