Run multiple commands

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rancid_par

rancid_par(1)						      General Commands Manual						     rancid_par(1)

NAME

       rancid_par - parallel command processing

SYNOPSIS

       rancid_par [-dfiqx] [-c	command] [-l  logfile] [-n #] file [file...]

DESCRIPTION

       rancid_par  takes  a  list  of  files  to run a command on.  The first line of each file begins with a colon (:) or a pound-sign (#).  If a
       colon, the remainder of the line is a command to run for each of the subsequent lines.  If a pound-sign, then each  subsequent  line  is  a
       (self-contained)  command,  unless  the -c option was specified, in which case it operates as if the argument to -c had followed a colon on
       the first line.

       In each of the cases where the lines of the file following the first are not commands (i.e.: colon or -c), instances of	open-close  braces
       ({}) in the command will be replaced by these values.

       For example, a inputfile whose contents is:

	    : echo {}
	    a
	    b
	    c

       run with rancid_par like so:

	    %rancid_par -q inputfile

       will produce the following output (order will vary):

	    b
	    a
	    c

       The command-line options are as follows:

       -c     Command to be run on each of the arguments following the command-line options, where the first line of the input file(s) begins with
	      a pound-sign (#).

       -d     Print debugging information on standard error (stderr).

       -f     No file or STDIN, just run a quantity of the command specified with -c.

       -i     Run commands interactively through (multiple) xterm(1) processes.

       -l     Prefix of logfile name, as in prefix.N where N is the rancid_par process number ([0..]).

	      Default: par.log.<time>.[0..]

       -n     Number of simultaneous processes.

	      Default: 3

       -q     Quiet mode.  Do not log anything.  -q is mutually exclusive with the -x and -l options and  the  option  appearing  last	will  take
	      precedence.

       -x     View rancid_par logs in real-time via an xterm(1).

FILES

       par.log.T.N Log file; where T is the current time in seconds since the
       epoch and N is the rancid_par process number ([0..]).

								 18 December 2007						     rancid_par(1)

UNIX for Dummies Questions & Answers