07-02-2001
Perl, Pipes, and FTP
I am attempting to automate an ftp session in PERL by emulating the user and sending commands to ftp, but I am getting unexpected and unwanted results. Here is a portion code that illustrates the method I am attempting (this was just a shot in the dark):
system("(
echo open server
sleep 1
echo username
sleep 1
echo password
sleep 1
echo ls) | ftp");
The ftp server doesn't appear to be interpretting the commands, and it appears to hang up somewhere around the username/password entry. Any help would be appreciated.
Thanks.
Bryan Murdaugh
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LEARN ABOUT REDHAT
simpleftp
SIMPLEFTP(1) General Commands Manual SIMPLEFTP(1)
NAME
simpleftp - rudimentary ftp client
SYNOPSIS
simpleftp ftp://... [ ... ]
DESCRIPTION
simpleftp is a perl script that provides basic support for fetching files with FTP in a batch oriented fashion. It takes one or more ftp
URLS on the command line. The file(s) will be retrieved from the remote server and placed in the current directory with the same basename
as on the remote; i.e., ftp://ftp.isc.org/pub/usenet/CONFIG/active.gz is stored as active.gz in the current directory.
BUGS
simpleftp is an extremely poor substitute for more complete programs like the freely available wget or ncftp utilities. It was written
only to provide elementary support in INN for non-interactive fetching of the files in ftp://ftp.isc.org/pub/usenet/CONFIG/ without requir-
ing administrators to install yet another package. Its shortcomings as a general purpose program are too numerous to mention, but one that
stands out is that simpleftp does not understand the complete syntax of URLs, only the hostname and pathname parts -- it will not under-
stand username, password, port or parameter strings.
HISTORY
Tossed off by David C Lawrence <tale@isc.org> for InterNetNews.
SEE ALSO
actsync(8).
SIMPLEFTP(1)