Perl: Difference between revisions
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imported>Raboof document caveats running a perl script |
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== | ==Running a Perl script== | ||
Common problems and solutions: | |||
<code>Can't locate DB_File.pm in @INC (you may need to install the DB_File module)</code>: run it with <code>nix-shell -p perl -p perlPackages.DBFile --run ./myscript.pl</code> | |||
<code>./myscript.pl: bad interpreter: /usr/bin/perl: no such file or directory</code>: change the first line of the script to <code>#!/usr/bin/env -S perl</code> or start it with <code>perl ./myscript.pl</code> | |||
==Adding something from CPAN to nixpkgs== | |||
* Use the <tt>nix-generate-from-cpan.pl</tt> script (see <tt>nixpkgs/maintainers/scripts/</tt>) to generate something appropriate.<br/>Example usage: <tt>nix-generate-from-cpan.pl Devel::REPL</tt> | * Use the <tt>nix-generate-from-cpan.pl</tt> script (see <tt>nixpkgs/maintainers/scripts/</tt>) to generate something appropriate.<br/>Example usage: <tt>nix-generate-from-cpan.pl Devel::REPL</tt> | ||