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Support the COLUMNS environment variable for help/usage output

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Rangi
2026-07-24 14:46:05 +02:00
committed by Eldred Habert
parent 80c8e77b19
commit ca2b8e4cde
5 changed files with 30 additions and 13 deletions
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man/rgbgfx.1
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@@ -257,6 +257,9 @@ Set the bit depth of the output tile data, in bits per pixel (bpp), either 1 or
This changes how tile data is output, and the maximum number of colors per palette (2 and 4 respectively).
.It Fl h , Fl \-help
Print help text for the program and exit.
(Help text wraps to the value of the
.Dv COLUMNS
environment variable if that is defined as nonzero; or else to the console window width if output is to a TTY.)
.It Fl i Ar input_tiles , Fl \-input-tileset Ar input_tiles
Use the specified input tiles in addition to having
.Nm