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Full Discussion: Split the all files in to 8 parts in a folder
Top Forums UNIX for Beginners Questions & Answers Split the all files in to 8 parts in a folder Post 303040871 by RudiC on Friday 8th of November 2019 04:57:39 AM
Old 11-08-2019
I don't think switching to awk will speed up things dramatically if at all, as it won't be faster than the designed-for-the-task split command. In either case you'll need to scan through the entire file to calculate its line count, and then again to do the split.
Why not optimize what you got above, reducing it to the single command

Code:
split -l$(($(wc -l <BillingDetails_BaseFile.csv) / Split_Count)) --numeric-suffixes=01 BillingDetails_BaseFile.csv BillingDetails_

(given your OS and shell versions (which you fail to mention) offer the features used)?
 

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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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