Re: NSTask and piped commands
Re: NSTask and piped commands
- Subject: Re: NSTask and piped commands
- From: Rick Genter <email@hidden>
- Date: Tue, 18 May 2010 12:37:28 -0700
On May 18, 2010, at 12:33 PM, appledev wrote:
> I have to run the following and similar commands using NSTask.
>
> df -k | grep /dev/ |awk '{print $1 "\t" $4 "\t" $5 "\t" $6;}'
>
> I got so far.....
>
> NSTask *task;
> task = [[NSTask alloc] init];
> [task setLaunchPath: @"/bin/sh"];
>
> NSArray *arguments;
> arguments = [NSArray arrayWithObjects: @"-c", @"/bin/df -k| /usr/bin/grep /dev/ | /usr/bin/awk '{print $1 $4 $5 $6;}'",nil];
> // arguments = [NSArray arrayWithObjects: @"-c", @"/bin/df -k", @"| /usr/bin/grep /dev/ | /usr/bin/awk '{print $1 '\t' $4 '\t' $5 '\t' $6;}'",nil];
You have to pass each word as a separate string:
arrayWithObjects: @"-c", @"/bin/df", @"-k", @"|", @"/usr/bin/grep", etc.
--
Rick Genter
email@hidden
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