Perl getc Function
This function reads the next character from FILEHANDLE (or STDIN if none specified), returning the value.
Following is the simple syntax for this function:
getc FILEHANDLE getc
This function returns undef on error or end of file and value of character read from FILEHANDLE.
Following is the example code showing its basic usage:
#!/usr/bin/perl $key = getc(STDIN); print "Entered value is $key\n";
When above code is executed, it produced following result:
Entered value is 4