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Annotation of 43BSD/contrib/B/ex/try/README, revision 1.1.1.1

1.1       root        1: Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1984.
                      2: 
                      3: HOW'TO TRY the B editor:
                      4: 
                      5: The directory B/ex/try is here to try the B editor interactively.  The
                      6: example B workspace here can always be regenerated with:
                      7: 
                      8:         cd  ../generate
                      9:         cp  \'*  ../try
                     10:         cd  ../try
                     11: 
                     12: Now enter the B system from this directory with
                     13: 
                     14:         ../../bin/b
                     15: 
                     16: After the B system has started up it will prompt for a command with
                     17: 
                     18:         >>> ?
                     19: 
                     20: Slowly type `s', then `t', (no capitals needed) and you should see the B
                     21: editor suggest the SELECT and START commands, respectively.  Now
                     22: press [TAB] to accept this last suggestion, and [RETURN] to enter the
                     23: START command to the B interpreter.  This command will promt you for
                     24: input, with
                     25: 
                     26:         ?
                     27: 
                     28: Just enter about four lines of text, (which will be echoed), ending with an
                     29: empty one (press [RETURN] immediately).  A short `poem' should be generated
                     30: by the B interpreter.
                     31: 
                     32: If you are already familiar with the B language, you might try to edit the
                     33: START unit by answering
                     34: 
                     35:         >>> ?
                     36: 
                     37: with
                     38: 
                     39:         :START
                     40: 
                     41: For example, try to remove the SET'RANDOM command, to get random
                     42: results on the same input.  Or make the unit delay the echoing of the text,
                     43: entered by the user, until after the reading of the empty line.  For test-
                     44: ing purposes you should at least try the arrow keys to move the focus
                     45: around.
                     46: 
                     47: You can undo any change by pressing [BACKSPACE].
                     48: You can get help with ?.
                     49: You can leave the B editor with control-X.
                     50: You can leave `b' by typing QUIT.
                     51: 
                     52: For more information, see the manual pages `B(1)' and `bterminal(5)', and
                     53: the User's Guide.
                     54: 
                     55: See the B Newsletter, issue 2, for a description of the `generate' program.
                     56: 
                     57: If there are any problems with the editor, consult the `bterminal(5)'
                     58: manual entry before trying anything else.

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