Baslinux mailing list

[Ian Scott <mriscott AT yahoo.co.uk>]

>Subject: [BL] Cleaning Linux 
>BL3 DOS Loop


>
>To make the zip smaller I 
>need to replace in the loop all 
>the characters  that are no 
>longer used by programs 
>with the same character (asc 
>128).
>
>This cannot be done in DOS 
>as it does not know which 
>bytes are in use.
>
>Anyone knows of a linux 
>script to do it ?
>

One way to do this would be to create a new fs.img, cat /dev/zero into it,
and cp -a all the contents to it. Then all unused bytes would be zero.

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