How about converting entire file to a string of bits?...

"0110110110000110011000011...."


Then you can easily do any processing on it you want.

chris

On Mon, 2005-09-12 at 04:50, m ike wrote:
> using the binary editor called bed, i can laboriously recover vacation jpgs 
> from FAT16 CF card that I had mistakenly reformatted.
> 
> the best that I can come up with, however, is to use bed to find the byte 
> offset of the beginning and end of each jpg. save all the offsets
> in a file. then use tail and head with -c to dissect each jpg.
> 
> but since I know the beginning and ending hexadecimal markers for exif files 
> (FF D8 and FF D9), it seems that there should be a way to script this task. 
> it would be extremely helpful to be able to use grep to find the offsets, 
> but I cannot figure out how to use grep in this manner, and have not been 
> able to find an alternative to grep that will do this.
> 
> (and grep returns the byte offset of the line, not the match)
> 
> any pointers would be appreciated.
> 
> Mike

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