Re: NSTask and piped commands
Re: NSTask and piped commands
- Subject: Re: NSTask and piped commands
- From: "Stephen J. Butler" <email@hidden>
- Date: Tue, 18 May 2010 14:52:24 -0500
On Tue, May 18, 2010 at 2:37 PM, Rick Genter <email@hidden> wrote:
> On May 18, 2010, at 12:33 PM, appledev wrote:
>
>> 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.
Normally you'd be correct, but in this case he would need to pass the
whole thing as a single argument to the '-c' flag of sh (you'd quote
it if you were actually in the shell).
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