SAMS Teach Yourself Perl in 24 Hours THIRD EDITION

Workshop

Quiz

1:	To print the last modification time of the file foofile, use print glob("foofile"); print (stat("foofile"))[9]; print scalar localtime (stat("foofile"))[9];
2:	The unlink function returns The number of files actually deleted True or false, depending on success The number of file deletions that were attempted

Answers

A1:	b or c. Choice b prints the time expressed as the number of seconds since 1970—not very useful. Choice c prints the time as a nicely formatted string.
A2:	a. However, choice b is also somewhat true. If no files can be deleted, unlink returns 0, which is false.

Activities

• As a programming exercise only, try to write a program that lists all the files in a directory, in its subdirectories, and so on.