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Full Discussion: CAT multiple files according to file name
Top Forums UNIX for Dummies Questions & Answers CAT multiple files according to file name Post 302912333 by bakunin on Thursday 7th of August 2014 11:26:41 AM
Old 08-07-2014
Quote:
Originally Posted by quakesrus
I now just need to script around this command so that I can loop through all groups of files (XX.YYYY..ZZZ.2014.001.*, XX.YYYY..ZZZ.2014.002.*,... XX.YYYY..ZZZ.2014.365.*) that I need to concatenate instead of having to cat each group manually.
This is rather easy. Notice that the following is only a sketch, add error reporting to it to your hearts content:

Code:
#! /usr/bin/ksh

typeset -i   iCnt=1
typeset -ZR3 chCnt=""
typeset    chFileMask="XX.YYYY..ZZZ.2014"

while [ $iCnt -le 365 ] ; do
     chCnt=$iCnt
     cat "${chFileMask}.${chCnt}."* > "${chFileMask}.${chCnt}"
     (( iCnt += 1 ))
done

exit 0

The "-ZR3" makes a right-justified, zerofilles string. Feeding it "1" as content makes it "001", etc..

I hope this helps.

bakunin
This User Gave Thanks to bakunin For This Post:
quakesrus
 

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LEARN ABOUT DEBIAN

nfreplay

nfreplay(1)															       nfreplay(1)

NAME

       nfreplay - netflow replay program

SYNOPSIS

       nfreplay [options] [filter]

DESCRIPTION

       nfreplay  is  the netflow replay program of the nfdump tool set.  It reads data from files stored by nfcapd and sents the netflow data to a
       host or a multicat group. The filter syntax is equivalent to nfdump. If a filter is supplied, only the matching flows are  sent.   See  the
       nfdump(1) man page for a detailed description of the filter syntax. All records are sent as netflow version 5.

OPTIONS

       -H remotehost
	  Send all flows to this remote host. Accepts a symbolic name or a IPv4/IPv6 IP address.  Defaults to IPv4 localhost 127.0.0.1.

       -j mcastgroup
	  Join this multicast group and send all flows to this group host. Accepts a symbolic name or multicast IPv4/IPv6 IP address.

       -p port
	  Send all flows to this port on the remote side. Default is 9995.

       -4 Forces  nfreplay  to	send  flows  to  a IPv4 address only. Can be used together with -i if the remote host has an IPv4 and IPv6 address
	  record.

       -6 Forces nfreplay to send flows to a IPv6 address only. Can be used together with -i if the remote host  has  an  IPv4	and  IPv6  address
	  record.

       -v num
	  Send flows as netflow version num. 5 and 9 are supported. The default is sending the flows as netflow version 5. In version 5 mode, IPv6
	  flows, are skipped and 64bit counters are truncated to 32bit.

       -d usec
	  Delay each record by usec mirco seconds, to avoid overrun on the remote side. Default is 10.

       -b buffersize
	  Set send buffer size in bytes. Useful for large data to transfer. Default is system dependent.

       -r inputfile
	  Read input data from inputfile. Default is read from stdin.

       -t timewin
	  Send only flows, which fall in the time window timewin, where timewin is YYYY/MM/dd.hh:mm:ss[-YYYY/MM/dd.hh:mm:ss].  Any  parts  of  the
	  time spec may be omitted e.g YYYY/MM/dd expands to YYYY/MM/dd.00:00:00-YYYY/MM/dd.23:59:59 and sends all flow from a given day.

       -c num
	  Limit number of records to send to the first num flows.

       -V Print nfreplay version and exit.

       -h Print help text on stdout with all options and exit.

RETURN VALUE

       Returns
	   0   No error.
	   255 Initialization failed.
	   254 Error in filter syntax.
	   250 Internal error.

NOTES

SEE ALSO

       nfcapd(1), nfdump(1), nfprofile(1)

BUGS

								    2009-09-09							       nfreplay(1)
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