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doc: Clarify why multiple arguments are not supported in shebang line

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It's not a limitation of `/usr/bin/env`, it's just how the OS processes shebang lines
(see http://stackoverflow.com/a/4304187)
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Tim Cuthbertson 2015-12-06 10:39:25 +11:00 • committed by Eelco Dolstra
parent 607d91517e
commit 36b9ce24b1
1 changed files with 2 additions and 2 deletions
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4
doc/manual/command-ref/nix-shell.xml
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@ -252,8 +252,8 @@ dependencies in Nixpkgs.</para>
<para>The lines starting with <literal>#! nix-shell</literal> specify <para>The lines starting with <literal>#! nix-shell</literal> specify
<command>nix-shell</command> options (see above). Note that you cannot <command>nix-shell</command> options (see above). Note that you cannot
write <literal>#1 /usr/bin/env nix-shell -i ...</literal> because write <literal>#1 /usr/bin/env nix-shell -i ...</literal> because
<command>/usr/bin/env</command> does not support passing options to many operating systems only allow one argument in
the interpreter.</para> <literal>#!</literal> lines.</para>
<para>For example, here is a Python script that depends on Python and <para>For example, here is a Python script that depends on Python and
the <literal>prettytable</literal> package: the <literal>prettytable</literal> package: