The optional Decompressors section allows the specification of external decompression programs, to be used instead of the internal decompression method.
Each entry is a name which will be used in a file group entry, and the value is a command containing a number of keywords that will be filled in by the installation program.
These keywords are:
Example:
[Decompressors]
GZIP={SRCDIR}\gzip.exe -f -d {SRCDIR}\{SRCFILE} >> {DESTDIR}\{DESTFILE}
PKUNZIP={SRCDIR}\pkunzip.exe -d {SRCDIR}\{SRCFILE} {DESTDIR}