Split and add header and trailer from input file Post: 302904137

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Top Forums Shell Programming and Scripting Split and add header and trailer from input file Post 302904137 by techedipro on Monday 2nd of June 2014 10:25:25 AM

06-02-2014

Registered User

Split and add header and trailer from input file

I need to split the file based on pattern from position 34-37 while retaining the header and trailer records in each individual split file

Also is it possible to output the TOM and PAT records in the same output file ?

I need the output file names same as xyz_pattern_Datetimestamp.txt

Code:

 
H00000012345678900000000 xxxxxxxxxxxxxx
D00000012300000000000000 xxxxxxxxTOMxxx
D00000045600000000000000 xxxxxxxxTOMxxx
D00000078900000000000000 xxxxxxxxPATxxx
D00000065000000000000000 xxxxxxxxPATxxx
D00000023100000000000000 xxxxxxxxPATxxx
D00000013200000000000000 xxxxxxxxSAMxxx
D00000036500000000000000 xxxxxxxxSAMxxx
T00000025800000000000000 xxxxxxxxxxxxxxx

So far I was able to split the file with the below command but struggling with header and trailer on individual split file and also with the output file name

Code:

 
awk -F "" 'BEGIN {x=""} NR>1 { x=substr($0,34,3); print $0 >> x".txt" }' Test.txt

techedipro

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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)