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jtomori/bmp_peek.md

Last active December 4, 2019 17:39
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bmp_peek.md 
$ dd if=img.bmp bs=1 skip=54 status=none | xxd -g 3 -c 12

bs=1 - Block size of 1 byte

skip=54 - Skips first 54 bytes, which is header info

status=none - Hide debug information

-g 3 - Group by 3 bytes (RGB triplet)

-c 12 - Display 4 pixels per row, $ file img.bmp shows resolution information. Pixel padding needs to be included.

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