Pre-reads specified files by loading their binary data into memory. Then just exits. Typically, can be used to force all DLL files, in specified dir, precached off-HDD.
program.exe [options]
program.exe --idn DIR [--exts EXTS] [--nBufSize NUM]
program.exe [--bShowReads] [--bHideFnames] [--bNoSubdirs]
program.exe [--bKeepData] [--bFollowDirSymlinks]
EXTS: Comma separated file extension names.
If first ext is a '*' then it is a blacklist (otherwise whitelist).
Don't add leading dot character on each ext.
Matching is case insensitive.