BSD utilities written in pure Perl

Changes for 1.039 - 2023-09-22T23:46:44Z

• All of these improvements are from Michael Mikonos
• arithmetic
• banner
• basename
• bc
• bcd
• cal
• cmp
• diff
• ed
• expr
• fold
• head
• ls
• nl
• paste
• rmdir
• seq
• sort
• sum
• tee
• tsort
• which
• xargs