Or using named captures:
use strict;
use warnings;
use Data::Dumper;
my @users;
while (<DATA>) {
m#^\s*(?<login>[\w-]+)
:x
:(?<uid>\d+)
:(?<gid>\d+)
:(?<name>[\w\s(),-]*)
:(?<home>[\w/]+)
:(?<shell>[\w/]*)$#x
or die "Malformed input [$_]";
push @users, { %+ };
}
print Dumper \@users;
__DATA__
root:x:0:0::/:/usr/bin/ksh
paul:x:201:1::/home/paul:/usr/bin/ksh
jdoe:x:202:1:John Doe:/home/jdoe:/usr/bin/ksh
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