Perl programming on MPE/iX - February 2001

February 9, 2001
Solution Symposium
Page 5
hp e3000
perl
programming
variable names
• scalar values
• $days # the simple scalar value "days"
• $days[28] # the 29th element of array @days
• $days{'Feb'} # the 'Feb' value from hash %days
• $#days # the last index of array @days
• entire arrays or array slices (aka lists)
• @days # ($days[0], $days[1],... $days[n])
• @days[3,4,5] # same as @days[3..5]
• @days{'a','c'} # same as ($days{'a'},$days{'c'})
• entire hashes
• %days # (key1, val1, key2, val2 ...)