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flow-merge(1)                                                    flow-merge(1)

NAME

       flow-merge — Merge flow files.

SYNOPSIS

       flow-merge  [-aghm]   [-b  big|little]   [-C comment]  [-d debug_level]
       [-o filename]  [-z z_level]  [file|directory ...]

DESCRIPTION

       The flow-merge utility processes files and/or directories of  files  in
       the flow-tools format.  The resulting merged data set is written to the
       standard output or file specified by -o.  If  file  is  a  single  dash
       (‘-’)  or absent, flow-merge will read from the standard input.  Unlike
       flow-cat, flow-merge interleaves flow records preserving  the  relative
       chronological order.

OPTIONS

       -a        Do not ignore filenames that begin with tmp.

       -b big|little
                 Byte order of output.

       -C Comment
                 Add a comment.

       -d debug_level
                 Enable debugging.

       -g        Sort file list by capture start time before processing.

       -h        Display help.

       -m        Disable the use of mmap().

       -p        Preload  headers.   Use  to preserve meta information such as
                 lost flows.

       -o file   Write to file instead of the standard out.

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

       file|directory...
                 Process the files and/or directory.

EXAMPLES

       Merge all flow files begining with ft-v05.2001-05.01, use flow-print to
       display the results.

           flow-merge ft-v05.2001-05-01.* | flow-print

BUGS

       None known.

AUTHOR

       Larry Lidz ellidz@eridu.uchicago.edu

SEE ALSO

       flow-tools(1)

                                                                 flow-merge(1)