-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 On 12/19/12 13:10, Garrett Cooper wrote: > On Wed, Dec 19, 2012 at 1:04 PM, Jilles Tjoelker <jil...@stack.nl> > wrote: >> On Wed, Dec 19, 2012 at 11:16:26AM -0800, Xin Li wrote: >>> It may be worthy to make sysctl(8) to accept mutiple -f's, but >>> it seems to be hard to write shell scripts that utilizes this >>> feature in a elegant manner. >> >> This is possible but indeed a bit ugly. >> >> Hard-coding the list of files is not too bad: >> >> shift $# for _f in /etc/sysctl.d/* /etc/sysctl.conf >> /etc/sysctl.conf.local; do [ -r "$_f" ] && set -- "$@" -f "$_f" >> done sysctl "$@" >> >> If the list is passed in the positional parameters it becomes >> uglier: >> >> _first=1 for _f do [ -n "$_first" ] && shift $# _first= [ -r >> "$_f" ] && set -- "$@" -f "$_f" done sysctl "$@" >> >> This uses for's temporary storage of the words being iterated >> over, building a new set of positional parameters in the loop. >> >> An alternative is to append the new list to the old one and to >> use a saved copy of $# to remove the old elements afterwards. >> >> It would be nice to store the arguments in a variable but that is >> not possible because all characters are valid in pathnames, >> except the null character which cannot be used in shell either. > > find -exec / echo | xargs ? Seems like there's a better way to > solve this. Thanks,
Won't work because you have to add -f's. Cheers, - -- Xin LI <delp...@delphij.net> https://www.delphij.net/ FreeBSD - The Power to Serve! Live free or die -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJQ0jjBAAoJEG80Jeu8UPuzdRQH/AxNFRT1n+9aGQ7BuwHXSl5k aY+Em7+W7de4HRh2Xmkt66q64419HxgKBv45DBtcg35xEWIaDBNTgZ0JKfvG94eg mH43tq270sTuWJ1pZRIxybfLSPrP2uwsyG372Vw40AW2KdrWH1VZgKlTlmU8nF9G b/cnTa5BhD5r+35o2gsWIQT6j34hWGja9tOi4vgmAAMxDbgdL2sHE42R0Tex/Ydz hlRXAl+dMNqx9mw0rUwKdGBUFa5vDLokhI+AKCiAOMPxtUqheee1GqAytyEb0nst uZcF/cmBDoS5j/W7UGfLrlR6fSr0nxqjbIVr4VSa15aUCvEmW5oZ3HhRy+lZYM4= =5kx8 -----END PGP SIGNATURE----- _______________________________________________ svn-src-head@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
