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Top Forums UNIX for Dummies Questions & Answers Replace string and create new file multiple times Post 302974108 by Corona688 on Wednesday 25th of May 2016 03:27:00 PM
Old 05-25-2016
It generates a filename dynamically, based on the input filename. Or are you saying each input file creates 300 output files?
 

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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)
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