| |||
file status operators -x and -s
File Handling example from a Well House Consultants training course
More on File Handling [link] Source code: reporter Module: P207
#!/usr/bin/env perl
# reporter - tell us about files ... open (FILES,"ls|") || die "Can't read pipe\n"; while ($line = <FILES>) { chop $line; print ((-x $line) ? "Can":"Can't", " execute file $line. Size is ", -s $line," bytes\n"); } __END__ -bash-3.2$ perl reporter Can't execute file addplus. Size is 4077 bytes Can't execute file bridges. Size is 1347 bytes Can't execute file christmas. Size is 1437 bytes Can't execute file ck. Size is 1478 bytes Can't execute file costa. Size is 1460 bytes Can't execute file ddd. Size is 465 bytes Can execute file fan. Size is 598 bytes Can't execute file forvat. Size is 1034 bytes Can't execute file fprint. Size is 1677 bytes Can't execute file fsv. Size is 1847 bytes Can't execute file leedspark. Size is 858 bytes Can't execute file legacy. Size is 798 bytes Can't execute file newread. Size is 423 bytes Can't execute file output.txt. Size is 416 bytes Can't execute file park. Size is 1221 bytes Can't execute file paut. Size is 962 bytes Can't execute file perlwget. Size is 600 bytes Can execute file piper. Size is 305 bytes Can't execute file procmon. Size is 292 bytes Can execute file reporter. Size is 273 bytes Can execute file sp. Size is 155 bytes Can't execute file tin. Size is 1417 bytes Can't execute file wacsal. Size is 2218 bytes -bash-3.2$ Learn about this subject
This module and example are covered on the following public courses:
* Perl Programming * Perl bootcamp * Learning to program in Perl * Perl Programming Also available on on site courses for larger groups Books covering this topic
Yes. We have over 700 books in our library. Books
covering Perl are listed here and when you've selected a
relevant book we'll link you on to Amazon to order.
Other Examples
This example comes from our "File Handling" training module. You'll find a description of the topic and some
other closely related examples on the "File Handling" module index page.
Full description of the source code
You can learn more about this example on the training courses listed on this page,
on which you'll be given a full set of training notes.
Many other training modules are available for download (for limited use) from our download centre under an Open Training Notes License. Other resources
• Our Solutions centre provides a number of longer technical articles.
• Our Opentalk forum archive provides a question and answer centre. • The Horse's mouth provides a daily tip or thought. • Further resources are available via the resources centre. • All of these resources can be searched through through our search engine • And there's a global index here. Purpose of this website
This is a sample program, class demonstration or answer from a
training course. It's main purpose
is to provide an after-course service to customers who have attended our
public private or
on site courses, but the examples are made
generally available under conditions described below.
Web site author
Conditions of use
Past attendees on our training courses are welcome to use individual
examples in the course of their programming, but must check
the examples they use to ensure that they are suitable for their
job. Remember that some of our examples show you how not to do
things - check in your notes. Well House Consultants take no responsibility
for the suitability of these example programs to customer's needs.
This program is copyright Well House Consultants Ltd. You are forbidden from using it for running your own training courses without our prior written permission. See our page on courseware provision for more details. Any of our images within this code may NOT be reused on a public URL without our prior permission. For Bona Fide personal use, we will often grant you permission provided that you provide a link back. Commercial use on a website will incur a license fee for each image used - details on request. | |||
PH: 01144 1225 708225 • EMAIL: info@wellho.net • WEB: http://www.wellho.net • SKYPE: wellho PAGE: http://www.wellho.net/resources/ex.php • PAGE BUILT: Sun Oct 11 14:50:09 2020 • BUILD SYSTEM: JelliaJamb |