Hi Ryan, You are right! Thanks very much for your help! Best Regards Nan Xiao
On Sun, Aug 20, 2017 at 4:45 AM, Ryan Stone <[email protected]> wrote: > If a script uses a positional argument like $1, the script will error > out if you don't provide that parameter. Try instead supplying a pid > on the command line: > > # ./tracewrite.d 123 > > On Fri, Aug 18, 2017 at 3:27 AM, Nan Xiao <[email protected]> wrote: >> Hi all, >> >> Greetings from me! >> >> I am trying the following simple script on FreeBSD 11: >> >> #!/usr/sbin/dtrace -s >> >> syscall::write:entry >> /pid == $1/ >> { >> } >> >> and get following error: >> >> # ./tracewrite.d >> dtrace: failed to compile script ./tracewrite.d: line 4: macro >> argument $1 is not defined >> >> From this >> link(http://docs.oracle.com/cd/E19253-01/817-6223/chp-script-3/index.html), >> it seems FreeBSD doesn't support macro argument, right? If I want to >> use it, what is the correct method? >> >> Thanks very much in advance! >> >> Best Regards >> Nan Xiao >> _______________________________________________ >> [email protected] mailing list >> https://lists.freebsd.org/mailman/listinfo/freebsd-dtrace >> To unsubscribe, send any mail to "[email protected]" _______________________________________________ [email protected] mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-dtrace To unsubscribe, send any mail to "[email protected]"
