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Global variables

Global variables may be set to 1 or to 0.

The following global flags are recognized:

MTOOLS_SKIP_CHECK
If this is set to 1, mtools skips most of its sanity checks. This is needed to read some Atari disks which have been made with the earlier ROMs, and which would not be recognized otherwise.
MTOOLS_FAT_COMPATIBILITY
If this is set to 1, mtools skips the fat size checks. Some disks have a bigger FAT than they really need to. These are rejected if this option is not set.
MTOOLS_LOWER_CASE
If this is set to 1, mtools displays all-upper-case short filenames as lowercase. This has been done to allow a behavior which is consistent with older versions of mtools which didn't know about the case bits.
MTOOLS_NO_VFAT
If this is set to 1, mtools won't generate VFAT entries for filenames which are mixed-case, but otherwise legal dos filenames. This is useful when working with DOS versions which can't grok VFAT longnames, such as Caldera's FreeDos.

Example: Inserting the following line into your configuration file instructs mtools to skip the sanity checks:

  MTOOLS_SKIP_CHECK=1

Global variables may also be set via the environment:

  export MTOOLS_SKIP_CHECK=1


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