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- ppmtorgb3(1) Unix Programmer's Manual ppmtorgb3(1)
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- NNNAAAMMMEEE
- ppmtorgb3 - separate a portable pixmap into three portable graymaps
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- SSSYYYNNNOOOPPPSSSIIISSS
- ppppppmmmtttooorrrgggbbb333 [_p_p_m_f_i_l_e]
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- DDDEEESSSCCCRRRIIIPPPTTTIIIOOONNN
- Reads a portable pixmap as input. Writes three portable graymaps as
- output, one each for red, green, and blue.
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- The output filenames are constructed by taking the input filename,
- stripping off any extension, and appending ".red", ".grn", and ".blu".
- For example, separating lenna.ppm would result in lenna.red, lenna.grn,
- and lenna.blu. If the input comes from stdin, the names are noname.red,
- noname.grn, and noname.blu.
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- SSSEEEEEE AAALLLSSSOOO
- rgb3toppm(1), ppmtopgm(1), pgmtoppm(1), ppm(5), pgm(5)
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- AAAUUUTTTHHHOOORRR
- Copyright (C) 1991 by Jef Poskanzer.
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- 10 January 1991 1
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