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I need to echo a string that has double quotes in a Perl script.

#!/usr/bin/env perl
`echo Rule123 -comment \"blah blah\" >> $filename`

I'd like to get below appended to $filename:
Rule...

What are the pros & cons, if any, between using Perl's copy module vs OS's system cp, for copying a file to another directory? Or are they exactly the same?

1) Perl's File::Copy module, as in
...

I have a Perl script, that does a system call with rsh to a remote machine.

#!/usr/bin/env perl
system ("rsh remote-machine echo 99");

And I get the following:

stty: standard input:...