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Full Discussion: Help fix my garbage - File Split Program in Perl
Top Forums Shell Programming and Scripting Help fix my garbage - File Split Program in Perl Post 302329344 by mkastin on Friday 26th of June 2009 05:29:25 PM
Old 06-26-2009
Thanks for your input, I'm not familiar with csplit and after reading the manual I'm still not certain how to utilize it to do what I need without passing the command multiple times which I would rather not do especially when some file can have up to 99 segments and over 100million lines. I was looking at awk and I figured out something but it is also not working 100% how I'd like

Code:
awk '!/^$/{
key=substr($0,393,25)
print $0 > key".dat"
}' testmail.dat

Here I'm trying to do the same as mentioned above and the splitting works, but I can't get the output nameing convention the way I want. I need the output filename formatted as 'input filename'.$key.'dat' and I need the $key variable trimmed on extranious white spaces after the actual value ends as it is not always 25 characters long. Also how can I turn this into a self contained script so I can use it as a single command such as $ awksplit testmail.dat

Thanks again!!!
 

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LEARN ABOUT DEBIAN

flow-split

flow-split(1)						      General Commands Manual						     flow-split(1)

NAME

       flow-split -- Split flow files into smaller files.

SYNOPSIS

       flow-split [-gGhn]  [-b big|little]  [-C comment]  [-d debug_level]  [-N nflows]  [-o outfile_basename]	[-T nseconds]  [-z z_level]

DESCRIPTION

       The flow-split utility will split a flow file into smaller files based on the the number of flows or the ammount of time that has passed.

OPTIONS

       -b big|little
		 Byte order of output.

       -C Comment
		 Add a comment.

       -d debug_level
		 Enable debugging.

       -g	 Split on source tag.

       -G	 Split on destination tag.

       -h	 Display help.

       -n	 Use symbols for tag field in filename.

       -N nflows Split after processing nflows.

       -o outfile_basename
		 The basename of the resulting files.

       -T nsecond
		 Split after processing an interval of nseconds flows.

       -z z_level
		 Configure compression level to  z_level.  0 is disabled (no compression), 9 is highest compression.

EXAMPLES

       Create 1 minute flow files from the flow archive in /flows/krc4.  Store the results in /flows/krc4.split

	 flow-cat /flows/krc4 | flow-split -T60 -o /flows/krc4.split/1min.

BUGS

       None known.

AUTHOR

       Mark Fullmer maf@splintered.net

SEE ALSO

       flow-tools(1)

																     flow-split(1)
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