[Oberon] Parts & paths; was Re (3): A path variable for OLR?

[peter at easthope.ca]

From:	Peter Matthias <PeterMatthias at web.de>
Date:	Mon, 15 Aug 2016 18:57:24 +0200
> If file is not in "WRK:", "SYS:" will be used for reading. "SYS:" 
> defaults to "." and can be set by "OSYSDIR=/dir". 

Nice.

> Both dirs can be set by FileTools.SetSYS resp. FileTools.SetWRK. 

Native Oberon has the slightly different arrangement.
"OFSTools.SetDefault WRK ~" moves WRK to the front of the
search list.  An arbitrary number of volumes can be ordered. 

** ETHO Behaviour **
Volume containing executables is automatically SYS.
FileSystem.Mount WRK1 AosFS <volume1> ~
FileSystem.Mount WRK2 AosFS <volume2> ~
FileSystem.Mount WRK3 AosFS <volume3> ~

OFSTools.SetDefault WRK3 ~
OFSTools.SetDefault WRK2 ~
OFSTools.SetDefault WRK1 ~
makes search path 
WRK1 WRK2 WRK3 SYS 

** OLR analogue **
FileTools.Set SYS  <path0> ~
FileTools.Set WRK1 <path1> ~
FileTools.Set WRK2 <path2> ~
FileTools.Set WRK3 <path3> ~

FileTools.SetDefault WRK3 ~
FileTools.SetDefault WRK2 ~
FileTools.SetDefault WRK1 ~
makes search path 
WRK1 WRK2 WRK3 SYS 

Regards,            Lyall E.

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