Hi. What does ${...} mean again? And what's the difference to $(...)
which I know is used to unambiguously refer to scalar variables and to
do magical implicit 'foreach' style loops on arrays.
For example, I see it in the following unit examples/tests:
[cfengine00 cfengine]# grep '${' *
unit_chdir.cf:chdir => "${dir}";
unit_epimenides.cf: "head" string => "Swallow my ${tail}";
unit_epimenides.cf: "tail" string => "behind my ${head}";
unit_multipassvars.cf: "tempdir: ${tempdir}";
[cfengine00 cfengine]#
I don't see any mention of ${ in the reference manual.
Thanks,
Aleksey
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