But, as perlrun says, that trick doesn't work when the interpreter has "perl" in the name, even if it's a different version. That is, 
$ cat foo.pl
#!/usr/bin/perl
print "$]\n";

$ ~/bin/perl foo.pl

[download]

will run ~/bin/perl, and not /usr/bin/perl. I think this is good more often than not.

In reply to Re^3: #! -- why doth thou exist? by itub
in thread #! -- why doth thou exist? by punkish

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