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pamchannel(1)							 pamchannel(1)

NAME
       pamchannel - extract channels from a PAM image

SYNOPSIS
       pamchannel [ -infile infile ] [channum] ...

       All options may be abbreviated to the shortest unique prefix.

DESCRIPTION
       Reads  a	 PAM  or  PNM image as input.  Produces a PAM image as output,
       consisting of the indicated channels of the input.

       The output is the same dimensions as the input, except that  the	 depth
       is  the	number	of  channum arguments you supply.  The tuple type is a
       null string.

OPTIONS
       -infile infile
	      This specifies the input file, which defaults to Standard Input.
	      You may specify - to select Standard Input explicitly.

	      This  is a little unconventional for Netpbm programs, which usu‐
	      ally have the input file specification as an argument.  For pam‐
	      channel, the arguments are channel numbers.

SEE ALSO
       pnm(5)

				05 August 2000			 pamchannel(1)

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