in running the code below i get

amc-~$ perl test3.pl

find: -type: -f: unknown type

need help in figuring out how to remedy

find: -type: -f: unknown type 

#!/usr/bin/perl
use strict;
use warnings;
use 5.010;
use LWP::Simple;
use File::Find;         # for traversing directory and locating a part
+icular file
use File::Copy;
use XML::Simple;        # for parsing XML
use JSON::Parse;        # for parsing JSON format

#use Data::Dumper qw(pp);
use Data::Dumper;
#use Data::Dump qw(pp);

my $filepath_root = '/Users/karcichr/Downloads/Elsevier/fulltext/elsev
+ier/historical/' || shift @ARGV;

for( my @files = qx{find $filepath_root -name 'main.xml' -type -f} )  
+ # step (1+2)
{
       my $ref = XMLin( $_ );  # step (3)
        {
                die "Showing first main.xml xml: ", pp( $ref ); # dump
+ $ref structure, so to learn where doi/title is
        }
}

[download]

In reply to -type: -f: unknown type by rickkar

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.