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CLI Args and Config Files: Best Practices?

by temporal (Pilgrim)
on Jan 31, 2013 at 22:02 UTC ( #1016403=perlquestion: print w/replies, xml ) Need Help??

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  1. or download this
    use strict;
    use AppConfig qw(:argcount);
    ...
    $temp_conf->args();
    # parse conf file (path specified in CLI args, otherwise use default)
    $temp_conf->file( $temp_conf->config_file() );
    
  2. or download this
    # save the CLI args
    my @CLI = @ARGV;
    ...
    $temp_conf->file( $temp_conf->config_file() );
    # reinforce those CLI args!
    $temp_conf->args(\@CLI);
    

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Node Type: perlquestion [id://1016403]
Approved by ww
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[Corion]: Yaerox: That's a somewhat hard problem. Encode solves the conversion part, but for guessing what encoding a file is in, that's the hard part
[Corion]: Yaerox: There is Encode::Guess, but that needs a limited set of inputs, and it also cannot handle multiple single-byte encodings
[Corion]: If you have a BOM, that's a really easy way to recognize UTF-8. Otherwise, you can try to decode a file from UTF-8, and if that works OK and doesn't crash, most likely the file was valid UTF-8
[Corion]: But as "ansi" (Latin-1?) is a single-byte encoding, any file is a valid ANSI file

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