I guess I was asking in general how you can be sure your variables are safe.
Maybe it is more complicated than that? I really have just heard warnings from
everyone, so I was taking pre-emptive measures.
I tried a few things myself too and also could not get that problem.
I tried making a file called test and doing things like
K="$1"
echo $K
and then calling
test "hello\";date"
a nd
FIL="$1"
ls $FIL
but that seemed to be OK
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