Database format

The "database" read by Kpathsea is a line-oriented file of plain text. The format is that generated by GNU (and most other) ls programs given the `-R' option, as follows.

• Blank lines are ignored.
• If a line begins with `/' or `./' or `../' and ends with a colon, it's the name of a directory. (`../' lines aren't useful, however, and should not be generated.)
• All other lines define entries in the most recently seen directory. /'s in such lines will produce possibly-strange results.
• Files with no preceding directory line are ignored.

For example, here's the first few lines of `ls-R' (which totals about 30K bytes) on my system:

bibtex
dvips
fonts
ls-R
metafont
metapost
tex
web2c

./bibtex:
bib
bst
doc

./bibtex/bib:
asi.bib
btxdoc.bib
...

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