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I bet real cash money that this is an ACL issue. OSX started using ACLs a while back on the system folders.

/dev/disk[whatever] are device files -- files the kernel uses to access the physical device. This physical device is then mounted to a filesystem that you can use.

You can't cd /dev/disk0s2 ...

My crappy, and very non-precise, method is to parse netstat -ib -I [interface] output.

There's just so much more going on with the network though. And does an interface with TOE even report...

I'm a bit confused by your explanation (that's normal for me though).

Your not just booting from an ISO image on the DVD?

grep -v "^$"

Where infile.txt is the list you posted:


for JSP in `cut -d' ' -f1 infile.txt | uniq `
do
grep ${JSP} infile.txt | sort -rn | head -1
done


Returned:

CATEGORYDISPLAY...

As a rule, you would use $hour for a numeric value vice ${hour} for text.



# hour=`date +%H`
# echo $hour
10

# hour_plus_10=$(($hour + 10))
# echo $hour_plus_10
20

To use the string...

I tested the if statement on my OSX machine in both bash and ksh -- no problem.

As apmcd47 said, you might have a funky character in that line. :set list in vi would be another way to check for...