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Full Discussion: Split and add header and trailer from input file
Top Forums Shell Programming and Scripting Split and add header and trailer from input file Post 302904185 by MadeInGermany on Monday 2nd of June 2014 03:25:06 PM
Old 06-02-2014
This is a true split:
Code:
awk '
{
  if (/^H/) {header=$0}
  else if (/^T/) {trailer=$0}
  else {
    fname=substr($0,34,3)".txt"
    if (!(fname in A)) {A[fname]; print header > fname}
    print $0 >> fname
  }
}
END {
  for (fname in A) print trailer >> fname
}
' Test.txt

This User Gave Thanks to MadeInGermany For This Post:
techedipro
 

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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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