https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=201083
Bug ID: 201083
Summary: mv a.c /doesnotexist results in usage message; not
user friendly
Product: Base System
Version: 11.0-CURRENT
Hardware: Any
OS: Any
Status: New
Severity: Affects Many People
Priority: ---
Component: bin
Assignee: freebsd-bugs@FreeBSD.org
Reporter: n...@freebsd.org
FreeBSD punts out a usage message with mv when the target doesn't exist:
$ uname -a
FreeBSD wkstn-fbsd-ngie 11.0-CURRENT FreeBSD 11.0-CURRENT #3
r275919+fef312b(projects/building-blocks): Thu Dec 18 16:14:11 PST 2014
ngie@wkstn-fbsd-ngie:/usr/obj/usr/src/sys/GENERIC-WITHOUT-WITNESS amd64
$ which mv
/bin/mv
$ mv src/test_bug_135934.c src/test_bug_149417.sh src/test_bug_151050.sh
src/test_new_build.sh idontexist
usage: mv [-f | -i | -n] [-hv] source target
mv [-f | -i | -n] [-v] source ... directory
Fedora Linux 20 on the other hand has a more usable error message:
$ cat /etc/redhat-release
Fedora release 20 (Heisenbug)
$ mv t_gdtoa.c /doesnotexist/
mv: cannot create regular file ‘/doesnotexist/’: Not a directory
POSIX says nothing about mv behavior, so I think it's safe to say that changing
the behavior from a usage message to something more usable is desired for
FreeBSD usability:
http://pubs.opengroup.org/onlinepubs/009604599/utilities/mv.html
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