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

htpurge

htdig(1)						      General Commands Manual							  htdig(1)

NAME

       htpurge -  remove unused documents from the database (general maintenance script)

SYNOPSIS

       htpurge [-][-a][-c configfile][-u][-v]

DESCRIPTION

       Htpurge	functions to remove specified URLs from the databases as well as bad URLs, unretrieved URLs, obsolete documents, etc. It is recom-
       mended that htpurge be run after htdig to clean out any documents of this sort.

       OPTIONS

       -      Take URL list from standard input (rather than specified with -u). Format of input file is one URL per line.  -a Use alternate  work
	      files.  Tells htpurge to append .work to database files, causing a second copy of the database to be built. This allows the original
	      files to be used by htsearch during the run.

       -c configfile
	      Use the specified configfile instead of the default.

       -u URL Add this URL to the list of documents to remove. Must be specified multiple times if more than one URL are to be removed. Should nor
	      be used together with -.

       -v     Verbose  mode.  This  increases the verbosity of the program.  Using more than 2 is probably only useful for debugging purposes. The
	      default verbose mode (using only one -v) gives a nice progress report while digging.

FILES

       /etc/htdig/htdig.conf
	      The default configuration file.

SEE ALSO

       Please refer to the HTML pages (in the htdig-doc package) /usr/share/doc/htdig-doc/html/index.html and the manual  pages  htdigconfig(8)  ,
       htdig(1) and htmerge(1) for a detailed description of ht://Dig and its commands.

AUTHOR

       This manual page was written by Robert Ribnitz, based on the HTML documentation of ht://Dig.

								   January 2004 							  htdig(1)