3x for your patience. i find the infomation i want. 3x again :)
On Sat, 2007-11-17 at 05:34 -0700, Eric Blake wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > According to 龙海涛 on 11/16/2007 11:21 PM: > > two more questions: > > 1.about syntax (r "$d") > > i didn't find any introduction in 'info bash'. could you tell me how > > could find the explanation of '( )'? > > Search for the term subshell. > > > > > 2.about synax "find /testcase -name autotest.sh -perm /111 -execdir > > bash -c ./autotest.sh \;" > > what does the last '\' mean? > > It is quoting the ; so that the shell won't parse it. By itself, ; is a > shell meta-character, but here, you want it to be an argument to find. > Read the find documentation for more about why -execdir requires a literal > ; to end the sequence. You could also have quoted it as '\' or "\\", but > that is more typing. > > - -- > Don't work too hard, make some time for fun as well! > > Eric Blake [EMAIL PROTECTED] > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.5 (Cygwin) > Comment: Public key at home.comcast.net/~ericblake/eblake.gpg > Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org > > iD8DBQFHPt/I84KuGfSFAYARApv1AKDO+W3IzC6zEcwmAXLdDYF91uZbOACguf/a > 6GEsYG+ZubAXn1zeBrgn7SM= > =wzir > -----END PGP SIGNATURE-----
