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- BlockSize 1.12
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- Written by Darren Salt
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-
- Supports interactive help
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-
- This is a small utility which counts the disk space used by files. All you
- need to do is to drag one or more files or directories to the BlockSize icon.
- A window looking like that for a normal Filer count operation will be
- opened; indeed it works like a Filer action window.
- It has its own menu, with a 'Faster' option at the top (working much as its
- Filer equivalent), and a list of numbers below. These numbers represent
- various sector sizes or allocation units - initially the sector size is
- selected (and is shown in red to indicate that it is the sector size), so for
- a normal ADFS disk (800K or 1600K), the selected size will be 1K.
- Selecting a different size causes the display to be updated immediately
- (BlockSize keeps a count for each possible size).
-
- BlockSize can handle archives, with the following restrictions: if you drag
- the archive to BlockSize, or if it encounters an archive, it is treated as a
- file; the archive contents, if dragged to BlockSize, are treated as if not
- archived.
- IMPORTANT: Directories normally occupy 2K each, but in ArcFS archives are
- stored with length = -1, and in Spark archives with length &29*(number of
- entries)+2. On DOS-format disks, the size is a multiple of 512 bytes (16
- bytes per entry). Therefore BlockSize quite reasonably assumes that all
- directories require 2K.
-
- Note that with some filing systems, the sector size may be different from
- the allocation unit. If, for example, you have a hard disk formatted with a
- sector size of 512 bytes, but has been initialised with an allocation unit of
- 1K, you will need to select '1K' from the count menu in order to get an
- accurate result. [The 4K allocation unit is WASTEFUL!]
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- Statistics for !BlockSize:
- Alloc. unit 64 128 256 512 1K 2K 4K
- Disk space 26+3/8K 26½K 27¼K 28½K 32K 34K 52K
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