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 SCRIPT FILES

 Telix has an incredibly powerful built-in 'script' or command
 language, called SALT (Script Application Language for Telix).
 In the simplest terms, a script file is a sequence of commands
 for Telix to follow, written using a certain format. Script
 files can do many useful things like automatically logging on
 to a host, setting up special parameters, performing unna-
 tended file transfers, and many other tasks. A script file can
 be linked to a dialing directory entry so that it is run auto-
 matically when that entry is connected to, and supplies the
 needed logon information.

 Before a SALT script can be used, it must be 'compiled'. The
 CS.EXE program included with Telix takes the ASCII 'source'
 scripts that the user writes, and compiles or converts them to
 a form that is easier for Telix to process, usually takes less
 space, and loads more quickly. SALT scripts may actually use
 any name. However in standard practice the extension 'SLT' is
 used for SALT source scripts, and the same name with the ex-
 tension 'SLC' is used for the compiled version.

 Like any real programming language, SALT has a large number of
 features. Because of this, programming in SALT is not easy for
 the beginner who has no knowledge of any programming concepts.
 However SALT scripts can be used to different degrees. The ad-
 vanced user can program complex applications, while even a
 novice can modify the sample scripts include with Telix, and
 run scripts supplied by others.

 For advanced users, a separate 100+ page manual describes SALT
 and its syntax. The rest of this section describes how to run
 and compile SALT scripts.

 If you have an already compiled SALT script (ending with the
 extension 'SLC' (for example, the HOST.SLC Host Mode script
 file), it is very easy to execute. While in terminal mode,
 press Alt-G. Telix will ask for the name of the script file to
 run. If you supply no extension, 'SLC' is assumed. If a spe-
 cial directory where script files are to be found has been de-
 fined, Telix will look there for script files, unless a path
 is given. To define this script directory use the Telix Con-
 figuration Menu. Telix will then load the script file and fol-
 low its instructions. To abort a script while it is executing,
 press the Esc key. Sometimes you may have to press Esc twice,
 the first time to abort the current function, and the second
 time to abort the script itself.

 You may have used your text editor to modify one of the sample
 scripts included with Telix (most simply require inserting
 your name in a clearly marked location near the top). You now
 need to compile the script file. To do this, the CS.EXE pro-
 gram is used. While at the DOS prompt, type 'CS', followed by
 a space and the name of the script file you want to compile
 (the extension 'SLT' is assumed if none is given). CS will
 scan through the source file and produce the compiled version,
 using the same base name but the extension 'SLC'. If a syntax
 error is discovered while compiling the script file, CS will
 report it and abort. In that case the error should be fixed
 and CS run again. From within Telix, you may quickly run CS
 either by using the DOS Command function (Alt-V), or from the
 DOS Shell (Alt-J).

 Remember, every time you make a change to the source file, you
 must re-compile it, otherwise Telix will still run the old
 compiled version. This sounds tedious, but in practice once a
 script is developed it doesn't change very often.