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how to change the current file processing to some other random file in awk ?

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# 1  
Old 03-01-2009
how to change the current file processing to some other random file in awk ?
Hello,
say suppose i am processing an file emp.dat the field of which are
deptno empno empname etc
now say suppose i want to change the file to emp.lst then how can i do it? Here i what i attempted but in vain

Code:
BEGIN{
	system("sort emp.dat > emp.lst") 
	FILENAME="emp.lst"
}
{
	print ($0)
}

i run the script file as
Code:
 awk -f main.awk emp.dat

Thanks in advance! Smilie
# 2  
Old 03-01-2009

Use a shell script wrapper to sort the file, and call awk with the sorted file, or pipe the output of sort to awk:

Code:
sort emp.dat | awk ' ... '

# 3  
Old 03-02-2009
thanks cfajohnson Smilie
you solved my problem.
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