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authorMattias Andrée <maandree@operamail.com>2014-10-25 01:56:52 +0200
committerMattias Andrée <maandree@operamail.com>2014-10-25 01:56:52 +0200
commitaa579a4415f10842e52094c236f4b8d20cc1535d (patch)
treeca05ea51f48b89efdd52adaffb82bafb00cc36e6 /doc
parentm (diff)
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whoops + support all endiannesses
Signed-off-by: Mattias Andrée <maandree@operamail.com>
Diffstat (limited to 'doc')
-rwxr-xr-xdoc/concept5
1 files changed, 3 insertions, 2 deletions
diff --git a/doc/concept b/doc/concept
index 6cdb3fb..a88ebae 100755
--- a/doc/concept
+++ b/doc/concept
@@ -31,8 +31,9 @@ while [ -e /dev/fb$f ]; do
echo P3
cat /sys/class/graphics/fb$f/virtual_size | sed -e 's/,/ /'
echo 255
- cat /dev/fb$f | od -t u1 -v | cut -d ' ' -f 1 --complement |
- sed -e 's/\([0-9]\+\) \+\([0-9]\+\) \+\([0-9]\+\) \+\([0-9]\+\)/\3 \2 \1/g'
+ (echo 'ibase=16;'; cat /dev/fb$f | od -t x4 -v | cut -d ' ' -f 1 --complement |
+ sed -e 's/\(..\)\(..\)\(..\)\(..\)\( \|$\)/\2 \3 \4 /g' |
+ sed -e 's/ /\n/g' | sed -e '/^$/d' -e 'y/abcedf/ABCEDF/') | bc
) | convert /dev/stdin $pathname
(( f++ ))
done