On Wed, Aug 31, 2016 at 01:53:30PM +0100, Theo Buehler wrote: > On Wed, Aug 31, 2016 at 08:39:51AM -0400, Ted Unangst wrote: > > About ten times a day I do something like this: > > $ cd cd tedu > > ksh: cd: bad substitution > > > > What does that even mean? According to the source, but not the manual, there > > is some two argument cd syntax which substitutes something. I have never > > once > > tried to do this on purpose. > > > > Thus, I think the error message should be changed to be more appropriate. > > Those few power users who try to substitute paths can probably deal with the > > error message better than I can. > > But the error message "too many arguments" doesn't make sense for the > two-argument cd. The two-argument cd is documented: > > cd [-LP] old new > The string new is substituted for old in the current > directory, > and the shell attempts to change to the new directory.
I agree. Feel free to improve the error message, but please keep it accurate. As for how I (albeit rarely) have used it: $ pwd /usr/src/usr.bin/ssh $ cd src src/regress /usr/src/regress/usr.bin/ssh $ pwd /usr/src/regress/usr.bin/ssh /Alexander
