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Issue: DELETE-NONEXISTENT-FILE (Version 1)
- To: CL-Cleanup@SAIL.Stanford.EDU
- Subject: Issue: DELETE-NONEXISTENT-FILE (Version 1)
- From: Kent M Pitman <KMP@STONY-BROOK.SCRC.Symbolics.COM>
- Date: Sun, 13 Nov 88 18:32 EST
The enclosed proposal was distributed in hardcopy by Kathy at the
last X3J13 meeting. I just recently acquired electronic copy.
It happens that I don't think the writeup is clear and I don't
agree with the proposal, but I wanted to first get it into the
archives before discussing it. -kmp
References: DELETE-FILE (p. 424)
Edit history: 5-OCT-88, Version 1 by Chapman
An implementation determines whether an attempt to delete a nonexistent
file is considerd to be successful.
DELETE-FILE can currently return a non-nil value in the case of
success, or signal an error in the case of failure. The proposed change
is that DELETE-FILE return a non-nil value when the file exists and
is successfully deleted, nil when the file doesn't exist, and signals
an error otherwise.
This change allows users to portably depend on a return value when
DELETE-FILE is executed on a nonexistent file.
This change will assist users in writing portable code.