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Full Discussion: Help With FTP Shell Script
Top Forums Shell Programming and Scripting Help With FTP Shell Script Post 302545490 by Corona688 on Monday 8th of August 2011 01:01:26 PM
Old 08-08-2011
1) That is a useless use of cat
2) That is a useless use of backticks as $() are modern equivalents of the backtick. If your input file ever becomes too large for a shell variable to handle, the end of it could be silently ignored.
3) If you're running this code as root, that's dangerous and unnecessary.

This is safer and more efficient:
Code:
 while read LINE
do
        stuff
done < filename

As for the timeout, that's simple enough:

Code:
while read ip
do
        HOST=$ip
        USER='bob'
        PASS='bob'
        timeout 300 ftp -n $HOST <<EOF && echo "$ip"
user bob bob
EOF
        echo "$ip"
done < /root/Desktop/ftp.txt

The 300 is in seconds. If ftp takes longer than that, it will be killed and 'echo "$ip"' will be skipped. If FTP connects but fails to login, it will return nonzero and echo "$ip" will still be skipped.
 

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URI::URL(3pm)						User Contributed Perl Documentation					     URI::URL(3pm)

NAME
URI::URL - Uniform Resource Locators SYNOPSIS
$u1 = URI::URL->new($str, $base); $u2 = $u1->abs; DESCRIPTION
This module is provided for backwards compatibility with modules that depend on the interface provided by the "URI::URL" class that used to be distributed with the libwww-perl library. The following differences exist compared to the "URI" class interface: o The URI::URL module exports the url() function as an alternate constructor interface. o The constructor takes an optional $base argument. The "URI::URL" class is a subclass of "URI::WithBase". o The URI::URL->newlocal class method is the same as URI::file->new_abs. o URI::URL::strict(1) o $url->print_on method o $url->crack method o $url->full_path: same as ($uri->abs_path || "/") o $url->netloc: same as $uri->authority o $url->epath, $url->equery: same as $uri->path, $uri->query o $url->path and $url->query pass unescaped strings. o $url->path_components: same as $uri->path_segments (if you don't consider path segment parameters) o $url->params and $url->eparams methods o $url->base method. See URI::WithBase. o $url->abs and $url->rel have an optional $base argument. See URI::WithBase. o $url->frag: same as $uri->fragment o $url->keywords: same as $uri->query_keywords o $url->localpath and friends map to $uri->file. o $url->address and $url->encoded822addr: same as $uri->to for mailto URI o $url->groupart method for news URI o $url->article: same as $uri->message SEE ALSO
URI, URI::WithBase COPYRIGHT
Copyright 1998-2000 Gisle Aas. perl v5.14.2 2012-02-11 URI::URL(3pm)
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