Some Perl scripts

• LrngPerl3Files.xpl which when downloaded (right click) and run, self-extracts the files for Learning Perl, 3rd Edition (O'Reilly Assoc pub.)
• missions.txt which implements a hash
• StateCaps.txt which implements a hash, and uses split to split the value into 2 pieces.
• hol.txt which implements a hash of lists
• hol2.txt ditto
  • lol.txt a list of lists
  • class_hash_init.txt creates a hash as an external DBM file
  • class_hash.txt lookup in an external DBM file
• packages.txt a brief package demo
• subs.txt a brief sub demo
• refs.txt a brief demo of simple references
• EZPass.txt - A program which turns this: EZPass_long.htm into this: EZPass_short.htm and makes extensive use of regular expressions along with hashes
• number_files.txt which uses filehandles
• Error_No_Eval.txt which has a fatal error
• Error_Eval.txt which traps a fatal error
• CGI:
  • p_query.txt CGI: No module.
  • p_query_mod.txt CGI: With module.
  • p_query_mod_pure.txt CGI: With module,no comments.lookup in an external DBM file

• RE.txt Overview or regular expression metacharacters.