Now that brother VSarkiss called my attention to the intent of the code, it could be simplified like this:
for (0..3) {
print "....\b\b\b\b";
sleep 1;
}
or, for the uberterse version:
print "....\b\b\b\b" and sleep 1 for (0..3);
with brother BUU's caveat that if the print doesn't succeed, the sleep statement won't execute.
Updated: er, actually, that's wrong. There needs to be a sleep after each period.
for (0..3) {
print "." and sleep 1 for (0..3);
print "\b\b\b\b" and sleep 1;
}
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