[Chicago-talk] concurrent processes?

Shawn Carroll shawn.c.carroll at gmail.com
Tue Mar 9 10:18:01 PST 2010


Replace system w/ exec.  system() forks, exec does not.
shawn.c.carroll at gmail.com
Perl Programmer
Soccer Referee



On Tue, Mar 9, 2010 at 12:14, Richard Reina <richard at rushlogistics.com> wrote:
> I have a program that opens a terminal so that the user can enter some info.  Like this:
>
>
> system(q{gnome-terminal --geometry=80x12+0-30 -x perl -e 'require "./data_entry1.pl"; my $co=get_input();'});
>
> # do something with $co
>
> The code works in that it opens a small terminal at the bottom of the screen where the user can enter info.  However, the program continues to execute without waiting for the value of $co. Is there a way to make the program wait until the terminal session has been terminated so that the value of $co can be obtained?
>
> Been banging my head on this one since 6:30am so any help would be greatly appreciated.
>
> Thanks
> Richard
>
>
>
> ---- Chicago.pm chatter <chicago-talk at pm.org> wrote:
>>
>>
>> On Mar 8, 2010, at 7:27 AM, Richard Reina wrote:
>>
>> > system("gnome-terminal -x perl -e 'print "Hello World\n"; sleep 4;'");
>>
>> You have double quotes inside of that string.  You need to do either:
>>
>> system("gnome-terminal -x perl -e 'print \"Hello World\n\"; sleep 4;'");
>>
>> or
>>
>> system(q{gnome-terminal -x perl -e 'print "Hello World\n"; sleep 4;'});
>>
>> --
>> Andy Lester => andy at petdance.com => www.theworkinggeek.com => AIM:petdance
>>
>>
>>
>>
>>
>>
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