Help needed editing text file using the terminal Post: 302961763

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tgatoppm

tgatoppm(1)						      General Commands Manual						       tgatoppm(1)

NAME

       tgatoppm - convert TrueVision Targa file into a portable pixmap

SYNOPSIS

       tgatoppm [--alphaout={alpha-filename,-}] [--headerdump] tga-filename

DESCRIPTION

       Reads a TrueVision Targa file as input.	Produces a portable pixmap as output.

OPTIONS

       --alphaout=alpha-filename
	      tgatoppm	creates  a PGM (portable graymap) file containing the alpha channel values in the input image.	If the input image doesn't
	      contain an alpha channel, the alpha-filename file contains all zero (transparent) alpha values.  If you  don't  specify  --alphaout,
	      tgatoppm does not generate an alpha file, and if the input image has an alpha channel, tgatoppm simply discards it.

	      If you specify - as the filename, tgatoppm writes the alpha output to Standard Output and discards the image.

	      See pnmcomp(1) for one way to use the alpha output file.

       --headerdump
	      Causes the header information to be dumped to stderr.

       All options can be abbreviated to their shortest unique prefix.	Should really be in PNM, not PPM.

SEE ALSO

       ppmtotga(1), pnmcomp(1), ppm(5)

AUTHOR

       Partially based on tga2rast, version 1.0, by Ian J. MacPhedran.

       Copyright (C) 1989 by Jef Poskanzer.

								   02 April 2000						       tgatoppm(1)