> On Wed, Aug 20, 2014 at 3:05 PM, Glenn Jackman <jack...@pythian.com>
wrote:
>>
>> This got me at first too. Command substitution returns a *list*, not just
>> a string. When you prefix a list with a string ("http://";), that string
is
>> prefixed onto each member of the list:
>>
>> $ function tmp; echo 1; echo 2; echo 3; end
>> $ echo "foo"(tmp)
>> foo1 foo2 foo3
>>
>> If the list is empty, the string is prefixed onto nothing, hence the
empty
>> output.
Wow, interesting that "foo (...)" might behave so differently to "foo(...)"!
Playing with this a bit:
$ echo foo (echo "bar baz")
foo bar baz
$ echo foo(echo "bar baz")
foobar baz
$ echo foo (echo -e "bar\nbaz")
foo bar baz
But (!):
$ echo foo(echo -e "bar\nbaz")
foobar foobaz
Michael
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