-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 10/15/13 10:47 PM, Eric Blake wrote: > On 10/15/2013 06:57 AM, Martin Brugnara wrote: >> It seams that "cd [/]{1,}" should take you to the root node. (as showed up >> by 'ls') >> >> But when we try with two "/" something goes wrong: >> ls works as to be in the root node, >> pwd report "//" as path instead of "/" >> the bash line report "//" as path too > > Not a bug. POSIX requires that "//" be implementation-defined, and > permits implementations where it is a different directory than "/". At > least Cygwin behaves this way, using "//" as the root of the > "//system/share" path notation for accessing other computers on the same > network. While Linux happens to have an implementation definition that > "//" and "/" are identical, bash has chosen that it is easier to always > handle "//" specially than to try to determine whether a particular > system treats it as distinct or normalizes it.
The Posix specification of `cd' requires that the cd builtin only collapse three or more leading slashes to a single slash. http://pubs.opengroup.org/onlinepubs/9699919799/utilities/cd.html#tag_20_14 step 8c. - -- ``The lyf so short, the craft so long to lerne.'' - Chaucer ``Ars longa, vita brevis'' - Hippocrates Chet Ramey, ITS, CWRU c...@case.edu http://cnswww.cns.cwru.edu/~chet/ -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (Darwin) Comment: GPGTools - http://gpgtools.org Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iEYEARECAAYFAlJeBP0ACgkQu1hp8GTqdKtaqACfeqBmvj4xUYDE3agybo3/gZS5 EbwAoIzXkG5RiVQsRKxQGaK7vbeGZ6kO =uLkj -----END PGP SIGNATURE-----