27 lines
820 B
Common Lisp
27 lines
820 B
Common Lisp
(defpackage :util
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(:use :common-lisp)
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(:nicknames :ut)
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(:export :write-object-to-file
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:read-file
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:read-object-from-file))
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(in-package util)
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(defun read-file (infile)
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(with-open-file (instream infile
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:direction :input
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:if-does-not-exist nil)
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(when instream
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(let ((string (make-string (file-length instream))))
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(read-sequence string instream)
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string))))
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(defun read-object-from-file (infile)
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(read-from-string (read-file infile)))
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(defun write-object-to-file (object outfile)
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(with-open-file (my-file outfile
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:direction :output
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:if-exists :supersede
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:if-does-not-exist :create)
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(format my-file "~&~S~&" object)))
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