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Full Discussion: Split larger files into smaller ones with Column names
Top Forums UNIX for Dummies Questions & Answers Split larger files into smaller ones with Column names Post 302951496 by Nivas on Friday 7th of August 2015 02:16:49 AM
Old 08-07-2015
Split larger files into smaller ones with Column names
Hi,


I have one large files of 100000 rows with header column.

Eg:
Code:
Emp Code, Emp Name
101,xxx
102,YYY
103,zzz
...
...

I want to split the files into smaller files with only 30000 rows each..File 1,2 and 3 must have 30000 rows and file 4 must contain 10000 rows.

But the column header must available in all the smaller files(i.e) Emp Code and Emp Name in all the files in first row.

Is there any option in Split command or we have to use awk command?

Please help?
Last edited by Scrutinizer; 08-07-2015 at 03:49 AM..
 

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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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