3.4 Filename database (`ls-R')
Kpathsea goes to some lengths to minimize disk accesses for searches
(Note: Subdirectory expansion). Nevertheless, in practice searching
each possible directory in typical TeX installations takes an
excessively long time.
Therefore, Kpathsea can use an externally-built "filename database"
file named `ls-R' that maps files to directories, thus avoiding the
need to exhaustively search the disk.
A second database file `aliases' allows you to give additional names
to the files listed in `ls-R'. This can be helpful to adapt to "8.3"
filename conventions in source files.
The `ls-R' and `aliases' features are implemented in the source file
- The main filename database.
- Filename aliases
- Aliases for those names.
- Database format
- Syntax details of the database file.
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