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How to use shell commands within awk?


 
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# 1  
Old 11-29-2015
How to use shell commands within awk?

Hey guys i want to use shell commands like ls, find, cd and more with in awk statements with inputs from the awk variables.
Like in the below code how can i change the directory using the value of path. Please suggest

Code:
awk '{ while (i<NR) 
	{
	 i++;
	 percentage[i] = $5;
	 path[i] = $6;
	 split(percentage[i],array,"%");
	 percentage[i]=array[1];

	 if(percentage[i] > 40 && percentage[i]!="Use")
	 {		
		print "Greater than 40",percentage[i],path[i];
		system("cd" path[i]);
		system("ls -l");
		
	 }
	}
     }' formated.txt

# 2  
Old 11-29-2015
Every single system call creates a subshell in which the respective commands are run by sh. The environment will be lost when the subshell exits. If you want to ls that path, either combine the two commands into one compound or do "ls -l " path [i]. Be aware that this might become lengthy...
This User Gave Thanks to RudiC For This Post:
# 3  
Old 11-29-2015
ohhh... i got it now.. Thanks Smilie
 

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