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Re: ftp return value

by andreychek (Parson)
on May 16, 2002 at 02:44 UTC ( #166907=note: print w/replies, xml ) Need Help??

in reply to ftp return value


Yeah, the Net::FTP docs seem kind of lacking on this information. While I haven't tried the following answers out for myself, I got them from a program which works, so I'd assume they are correct:

1. when FTP->new() call was invoked

Well, this is just a typical constructor, the FTP code hasn't tried to do anything with a remote system yet. However, you can check for the return value of the login() call, like so:
my $max_tries = 5; my $tries = 0; # login() returns false, if unsuccessful while( ! $ftp->login('anonymous', '' ) { $tries++; die "We tried $tries times, but cannot connect!\n" if $max_tries == +$tries; warn "Attempt $tries: Could not connect, trying again.\n"; } print "Yay! We logged in!\n";

2. when all the files were ftp'd. i.e., at FTP->quit

The return value of $ftp->quit would actually tell you if the quit() call was successful or not, which isn't what I think you're worried about.

What you'd need to do is check the call of each put() method:
$ftp->put("$dir/$file1") or die "FTP did not succesfully upload $dir/ +$file!";

Or, if you don't actually want to die, you could also just set a flag if the put fails. Just like login(), put returns a true value if successful, false otherwise.

Hope that helps!

Update: Yeah, what derby said, he managed to type it in quicker then myself, and I like his eval trick :-)

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[haukex]: You can put it in SOPW, but use <readmore> tags
[haukex]: Also you might want to label it "code review"
[haukex]: Unless you have specific questions, in which case SSCCE's are much better
[cbeckley]: Excellent, thank you.
[cbeckley]: CUFP is more appropriate for stuff that's finished^h^h^h^h more advanced state of completeness?

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