Kelly Jones wrote:
perl -le '$x=<STDIN>; print $x'
hello <- I TYPED THIS IN AND HIT RETURN
hello
perl -le 'my($x)=<STDIN>; print $x'
hello <- I TYPED THIS IN AND HIT RETURN
[no answer, hangs forever]
$x=<STDIN> is in scalar context so only one line is read.
($x)=<STDIN> is in list context so readline keeps reading util the
end-of-file is reached. To signal end-of-file in Unix/Linux type Ctrl-D
or in DOS/Windows type Ctrl-Z.
John
--
Those people who think they know everything are a great
annoyance to those of us who do. -- Isaac Asimov
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