No,
do {} while is a single statement, using
while as postfix control. It's the same as
print while() or
sleep while()... Perl sees the
do {} block as one statement (
do) which happens to take a code block as an argument, and you can't use loop control statements within that block.
You can use
do with other postfix controls which are decidedly un-looplike, for example:
do {
print "Hello!";
} if (1);
while() {} on the other hand is a genuine loop.
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