Yes
code:
; this should point to your copy of jt.exe
$jtexe='jt.exe'
is the only line that might need to be updated if JT.EXE is not located inside a folder that is part of a path statement.

However, I am planning to rework the UDF again a little bit, then the path to JT.EXE will be an optional parameter and the default will just assume that JT.EXE can be resolved through the %PATH% environment variable.

UDFs should normally not be changed by the end-user.
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There are two types of vessels, submarines and targets.