Running shell scripts

ruby-talk
1

How can I run this command from my ruby script?

/usr/bin/java -jar #{jsmin_path}/custom_rhino.jar -c
#{tmp_path}_uncompressed.js

2

veggie5 wrote:

How can I run this command from my ruby script?

/usr/bin/java -jar #{jsmin_path}/custom_rhino.jar -c
#{tmp_path}_uncompressed.js

ri Kernel#system

···

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3

---------------------------------------------------------- Kernel#system
     system(cmd [, arg, ...]) => true or false

···

Tim Hunter <TimHunter@nc.rr.com> wrote:

veggie5 wrote:
> How can I run this command from my ruby script?
>
> /usr/bin/java -jar #{jsmin_path}/custom_rhino.jar -c
> #{tmp_path}_uncompressed.js
>
>

ri Kernel#system

------------------------------------------------------------------------
     Executes _cmd_ in a subshell, returning +true+ if the command was
     found and ran successfully, +false+ otherwise. An error status is
     available in +$?+. The arguments are processed in the same way as
     for +Kernel::exec+.

        system("echo *")
        system("echo", "*")

     _produces:_

        config.h main.rb
        *

(END)
--
Une Bévue

4

better (on mac os x) :

ri Kernel\#system

···

Une Bévue <unbewusst.sein@weltanschauung.com.invalid> wrote:

> ri Kernel#system

--
Une Bévue

5

thanks

···

On Sep 25, 6:59 pm, unbewusst.s...@weltanschauung.com.invalid (Une Bévue) wrote:

Une Bévue <unbewusst.s...@weltanschauung.com.invalid> wrote:
> > ri Kernel#system

better (on mac os x) :

ri Kernel\#system

--
Une Bévue

6

The first version works fine on my OS X box:

Welcome to Darwin!
Firefly:~$ ri -T Kernel#system
---------------------------------------------------------- Kernel#system
      system(cmd [, arg, ...]) => true or false

···

On Sep 25, 2007, at 9:00 PM, Une Bévue wrote:

Une Bévue <unbewusst.sein@weltanschauung.com.invalid> wrote:

ri Kernel#system

better (on mac os x) :

ri Kernel\#system

------------------------------------------------------------------------
      Executes _cmd_ in a subshell, returning +true+ if the command was
      found and ran successfully, +false+ otherwise. An error status is
      available in +$?+. The arguments are processed in the same way as
      for +Kernel::exec+.

         system("echo *")
         system("echo", "*")

      _produces:_

         config.h main.rb
         *

James Edward Gray II

7

Une Bévue wrote:

···

Une Bévue <unbewusst.sein@weltanschauung.com.invalid> wrote:

> ri Kernel#system

better (on mac os x) :

ri Kernel\#system

--
Une Bévue

ri Kernel.system or enclosing the arguments to ri in '' should work on most
systems too :slight_smile:

TerryP.

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8

here is my output :

~%> ri Kernel#system
zsh: no matches found: Kernel#system

i'm using zsh as shell script, may u aren't using it, this could be the
reason, because it's zsh interpreting the command line and which found
something wrong, the reason for my escaping #....

otherwise i'm using :

~%> which ruby
/opt/local/bin/ruby
~%> /opt/local/bin/ruby --version
ruby 1.8.6 (2007-03-13 patchlevel 0) [powerpc-darwin8.9.0]
~%>

over MacOS X 10.4.10 running in a PPC iMac.

and also :

~%> zsh --version
zsh 4.3.2 (powerpc-apple-darwin8.8.0)

···

James Edward Gray II <james@grayproductions.net> wrote:

The first version works fine on my OS X box:

--
Une Bévue