Hashing URLs Post: 302872493

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Top Forums Shell Programming and Scripting Hashing URLs Post 302872493 by twjolson on Friday 8th of November 2013 12:49:22 PM

11-08-2013

Registered User

Hashing URLs

So, I am writing a script that will read output from Bulk Extractor (which gathers data based on regular expressions). My script then reads the column that has the URL found, hashes it with MD5, then outputs the URL and hash to a file.

Where I am stuck on is that I want to read the bulk extractor output, line by line. I want to take the 2nd column, and add that as a variable named "url". I then want to take that URL, and hash it with MD5 and assign that to the variable "hash".

I then want to output $url and $hash to an output file, both on the same line.

But, when I use :

Code:

while read line
	do
		url=`awk '{print $2}'`
		hash=`awk '{print $2}' | md5sum`
		echo $url
	done < $iname/url.txt

to walk through the input file, line by line, it globs them all together. $url has EVERY URL, and $hash is a hash value of ALL the URLs.

I know this snippet of code works - I've used it before. So, what is going on?

Here is a snippet of the input :

Code:

1691	http://www.pof.com/inbox.aspx_	\007\0000\0001\0002\0003\000(\0004_\020\035http://www.pof.com/inbox.aspx_\0200Online Dating 
1874	http://www.pof.com/sendmessage.aspx	WasHTTPNonGet_\020#http://www.pof.com/sendmessage.aspx[401152043.2\020R\011_
1927	http://www.pof.com/inbox.aspx?messagesent=1&Guid=63929064&SID=dnia5geyks5fjvr2hfesqwbg#in	01152043.2\020R\011_\020Yhttp://www.pof.com/inbox.aspx?messagesent=1&Guid=63929064&SID=dnia5geyks5fjvr2hfesqwbg#in�\000F\020\014\020\021�\000H\000\025\000I\000\025
2101	http://www.pof.com/viewallmessages.aspx?sender_id=41561852&message_id=17458470377&Guid=63929064&SID=dnia5geyks5fjvr2hfesqwbg_	7\000C\000D\000E\000G\000J\000M_\020|http://www.pof.com/viewallmessages.aspx?sender_id=41561852&message_id=17458470377&Guid=63929064&SID=dnia5geyks5fjvr2hfesqwbg_\020.POF.com Free O

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LEARN ABOUT DEBIAN

webcommon.urlencode

WebCommon.urlEncode(3kaya)				       Kaya module reference					WebCommon.urlEncode(3kaya)

NAME

       WebCommon::urlEncode - URL encode a string

SYNOPSIS

       String urlEncode( String x )

ARGUMENTS

       x The string to encode

DESCRIPTION

       URL encode a string. You should use this to encode reserved characters in URLs that you wish to be passed literally.

    // trying to pass "http://www.example.com" as a parameter
    url = "http://localhost/test.cgi?url=";
    url += urlEncode("http://www.example.com");
    // url = http://localhost/test.cgi?url=http%3A%2F%2Fwww.example.com

       Note that in the example above, encoding the whole URL would be incorrect - that would create a relative URL beginning "http://".

AUTHORS

       Kaya standard library by Edwin Brady, Chris Morris and others (kaya@kayalang.org). For further information see http://kayalang.org/

LICENSE

       The  Kaya  standard  library  is  free  software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public
       License (version 2.1 or any later version) as published by the Free Software Foundation.

RELATED

       WebCommon.urlDecode(3kaya)

Kaya								   October 2012 					WebCommon.urlEncode(3kaya)