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RLEHDR(1) |
FreeBSD General Commands Manual |
RLEHDR(1) |
rlehdr - Prints the header of an RLE file
rlehdr [ -b ] [ -ccomment-names ] [ -d ] [
-m ] [ -v ] [ files ... ]
This program prints the header of RLE(5) files in a human readable form.
If the optional files argument is not supplied, input is read from
standard input.
- -b
- Print the information in a "brief" one-line form. The form of
the output line is
name: [l,b]+[xs,ys]xnc+A,
BG=color, map=NxL, (C)
Where [l,b] is the position of the lower-left corner of the
image, [xs,ys] is the size of the image in pixels, nc
is the number of channels saved, +A is present if an alpha channel is
saved. BG= or OV= indicate that a background color was saved; OV= means
that the existing background is not cleared to the background color before
the image is read (this was used for a cheap form of compositing, but is
basically obsolete now). color is the saved background color. The
map= entry will be present only if a color map was saved; N is the
number of channels in the color map and L is the length of the map.
Finally (C) is appended if there are comments present.
- -c comment-names
- If a comment identified by any of the words in the comma-separated list
comment-names is present in the input file, its first line will be
printed. Each name is tried, in turn, and only the first match is printed.
If no match is found, but comments are present, (C) will be printed. The
-c flag implies -b.
- -d
- Dump a very verbose version of the image contents as text to the standard
error output stream.
- -m
- Print out the color map information. -v Prints the raster toolkit
version and patch level. No input files will be processed if this option
is given.
- rlehdr image.rle
- Print the header information for all images in the file image.rle.
- rlehdr -m image.rle
- Also print the color map contents, if one is present.
- rlehdr -b *.rle
- Print one line summaries of all the images in the directory.
- rlehdr -c title,TITLE *.rle
- Print one line summaries of all the images, and print the title of any
that have a title comment.
Spencer W. Thomas, University of Utah
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