Jan 05
Jolle Carlestam Mastering piping in sys_process
Jan 05, 2013; 16:43
Jolle Carlestam
Mastering piping in sys_process
How can I use sys_process in Lasso 9 to execute a command like this?
pgrep -l httpd | wc -l
The above works on the command line but I can't put it to use with sys_process. As soon as it comes to the piping it barks and throws an error.
local(numprocess = sys_process('/usr/bin/pgrep', (: '-l', 'httpd', '|', 'wc', '-l' )))
-> pgrep: Cannot compile regular expression `|' (empty (sub)expression)
I've tried a number of variations but it always halt at the pipe. Any ideas?
The following works:
local(numprocess = sys_process('/usr/bin/pgrep', (: '-l', 'httpd')))
HDB
Jolle
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Jan 05
Steve Piercy - Web Site Builder Re: Mastering piping in sys_process
Jan 05, 2013; 09:33
Steve Piercy - Web Site Builder
Re: Mastering piping in sys_process
Jan 05
Kyle Jessup Re: Mastering piping in sys_process
Jan 05, 2013; 12:57
Kyle Jessup
Re: Mastering piping in sys_process
Jan 05
Jolle Carlestam Re: Mastering piping in sys_process
Jan 05, 2013; 19:29
Jolle Carlestam
Re: Mastering piping in sys_process
Jan 05
Kyle Jessup Re: Mastering piping in sys_process
Jan 05, 2013; 14:44
Kyle Jessup
Re: Mastering piping in sys_process
Jan 05
Brad Lindsay Re: Mastering piping in sys_process
Jan 05, 2013; 19:54
Brad Lindsay
Re: Mastering piping in sys_process
Jan 06
Jolle Carlestam Re: Mastering piping in sys_process
Jan 06, 2013; 08:17
Jolle Carlestam
Re: Mastering piping in sys_process
Jan 06
Steve Piercy - Web Site Builder Re: Mastering piping in sys_process
Jan 06, 2013; 00:49
Steve Piercy - Web Site Builder
Re: Mastering piping in sys_process
Jan 06
Brad Lindsay Re: Mastering piping in sys_process
Jan 06, 2013; 08:58
Brad Lindsay
Re: Mastering piping in sys_process
Jan 06
Steve Piercy - Web Site Builder Re: Mastering piping in sys_process
Jan 06, 2013; 08:03
Steve Piercy - Web Site Builder
Re: Mastering piping in sys_process
Jan 06
Jolle Carlestam Re: Mastering piping in sys_process
Jan 06, 2013; 17:25
Jolle Carlestam
Re: Mastering piping in sys_process
Jul 01
Ke Carlton Re: Mastering piping in sys_process
Jul 01, 2013; 16:35
Ke Carlton
Re: Mastering piping in sys_process
Jul 01
Steve Piercy - Web Site Builder Re: Mastering piping in sys_process
Jul 01, 2013; 15:49
Steve Piercy - Web Site Builder
Re: Mastering piping in sys_process