This may help, then again, maybe it does not apply to your situation http://developer.apple.com/technotes/tn2002/tn2065.html
Q: How long can my command be, really? A: Calling do shell script creates a new sh process, and is therefore subject to the system¹s normal limits on passing data to new processes: the arguments (in this case, the text of your command plus about 40 bytes of overhead) and any environment variables may not be larger than kern.argmax, which is currently 262,144 bytes. Because do shell script inherits its parent¹s environment (see the next question), the exact amount of space available for command text depends on the calling environment. In practical terms, this comes out to somewhat more than 261,000 bytes, but unusual environment settings might reduce that substantially. Note: This limit used to be smaller; in Mac OS X 10.2 it was about 65,000 bytes. The shell command sysctl kern.argmax will give you the current limit in bytes. On 9/13/05 6:36 PM, "Sivakatirswami" <[EMAIL PROTECTED]> wrote: > OK the above works, but I want to try now piping tMsg straight into > Send mail *without* saving or reading a file from the hard drive > (why? some new security thing in OSX, Postfix preventing more than > 1024 chars input without introducing a CRLF... even right in the > middle of a word, I'm getting a space in the middle of a word in the > HTML version a complete bad line break in the middle of a word (every > 1024 chars) in the text alternative) or maybe you need to interact with the process directly as in Q: I have started a background process; how do I get its process ID so I can control it with other shell commands? A: You can use a feature of sh to do this: the special variable $! is the ID of the most recent background command, so you can echo it as the last command in your shell script, like this: do shell script "my_command &> /dev/null & echo $!" -- result: 621 set pid to the result do shell script "renice +20 -p " & pid -- change my_command's scheduling priority. do shell script "kill " & pid -- my_command is terminated. _______________________________________________ use-revolution mailing list [email protected] Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-revolution
