On 20/04/12 23:07, Tony firshman wrote:
One has a first line for Linux - #!/usr/bin/perl/ - which points to the
compiler.
It's better to use:
#!/usr/bin/env perl
because it's cross distro. Linux is <supposed to be> standard, but
different distro's put things in different locations. So, your file may
not run on my laptop and vice versa if we used the hard coded path to
the perl compiler (or whatever).
Using /usr/bin/env will find the perl compiler no matter where it lives
on my $PATH or yours.
Of course, what puzzles me is the fact that I'm being told to avoid hard
coding paths to perl, or python, or shells etc by hard coding the path
to "env" instead - but I rather suspect that env *is* in a standard
location.
Cheers,
Norm.
--
Norman Dunbar
Dunbar IT Consultants Ltd
Registered address:
Thorpe House
61 Richardshaw Lane
Pudsey
West Yorkshire
United Kingdom
LS28 7EL
Company Number: 05132767
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