A general text-based system for querying the user.

text-query

Short Description
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This is a generalized form of Y-OR-N-P and YES-OR-NO-P, adding more
generality and the ability to time out with a default value.


Author's Description
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The QUERY package generalizes the capabilities of the Lisp functions
Y-OR-N-P and YES-OR-NO-P, and is similar in many ways to the Symbolics
FQUERY function. There are several major differences, one of which is QUERY's
ability to timeout with a default value. In addition to redefining Y-OR-N-P
and YES-OR-NO-P in terms of QUERY, this package defines Y-OR-N-P-WAIT and
YES-OR-NO-P-WAIT to illustrate the timeout capability. More complicated
queries are possible using the QUERY function.


Packager's Notes
----------------

This is old code, from 1993, but it is good ANSI Common Lisp. It compiles
and runs well under SBCL and should work in any modern Lisp implementation.

Please see the source code for documentation, since it contains plenty
of comments, docstrings, and examples.

-Peter Scott, October 2004


Acknowledgements
----------------

This code was entirely written by Mark Kantrowitz and made available to us
because of his generosity. Peter Scott, the maintainer of this package, would
not be so presumptious to take credit for anything other than the asdf
packaging.

text-query

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