Re^2: YAML newbie help

My humble apologies for wasting your time. How silly of me not to see that the answer was contained in my own question! I of course didn't mean the message was nonsense. I meant the nonsense was in my behavior. I foolishly thought there might be some list of examples like the Perl data structures cookbook, but for YAML, that my poor searching abilities hadn't uncovered. And that next time someone searched for YAML in this site, they'd be happy to find this node. I'll do penance for my presumption.

I'm sorry I wasn't more specific. My original, very trivial problem was to have a list of days, with for each day a team of people, and a head of a team.

By trial and error, I found this:

days:
 -
  date: 2005-06-01
  team:
   - Jack
   - Jill
   - Joe
  boss: Clara
 -
  date: 2005-06-02
  team:
    - Harry
    - Hillary
    - Howie
  boss: Victoria
[download]

It does the trick, producing an array of hashes of arrays. Now (does my greed know no bounds?) I'm wondering if there's a more concise way, so that team members could be on the same line. At the same time I feel shame to even mention it, because I'm sure the answer is in the fine documentation, and it's just my poor eyes that don't see it! But perhaps wisdom can be achieved through shame.

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Re^3: YAML newbie help
by Tortue (Scribe) on May 31, 2005 at 10:18 UTC

 -
  date: 2005-06-01
  team: [ Jack, Jill, Joe ]
  boss: Clara
 -
  date: 2005-06-02
  team: [ Harry, Hillary, Howie ]
  boss: Victoria
[download]

 - { date: 2005-06-01,  team: [ Harry, Hillary, Howie ],  boss: Clara 
+   }
 - { date: 2005-06-02,  team: [ Jack,  Jill,    Joe   ],  boss: Victor
+ia }
[download]

I wonder if you can simplify even further, by factoring out the hash keys? Something on the order of:

# INCORRECT YAML SYNTAX
 - { date:,      team:,                     boss:    }
 - { 2005-06-01, [ Harry, Hillary, Howie ], Clara    }
 - { 2005-06-02, [ Jack,  Jill,    Joe   ], Victoria }
[download]

[reply]
[d/l]
[select]

Re^4: YAML newbie help

by PodMaster (Abbot) on May 31, 2005 at 10:42 UTC

perldoc YAML

use YAML;

my( @foo ) = ({
    'date' => '2005-06-01',
    'boss' => 'Clara',
    'team' => [
      'Jack',
      'Jill',
      'Joe'
    ]
  },
  {
    'date' => '2005-06-02',
    'boss' => 'Victoria',
    'team' => [
      'Harry',
      'Hillary',
      'Howie'
    ]
  }
);
local $YAML::Indent = 4;
local $YAML::UseFold = 1;
print Dump( \@foo );
__END__
---
- boss: Clara
  date: 2005-06-01
  team:
   - Jack
   - Jill
   - Joe
- boss: Victoria
  date: 2005-06-02
  team:
   - Harry
   - Hillary
   - Howie
[download]

sequence

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[reply]
[d/l]

Re^5: YAML newbie help

by Tortue (Scribe) on May 31, 2005 at 11:10 UTC

> I always start with `perldoc YAML'

That's what I did too, but the synopsis actually starts with YAML, not with Perl structures.

grinder and your technique is great for those who are good at thinking in, and writing, Perl data structures. I must shamefully confess that, despite long experience programming Perl, I have trouble distinguishing braces from brackets from curlies, and remembering which does what. So I thought to myself: "Hey, YAML, human-readable! Maybe it can save me from wearing out my AltGr key! (on French keyboard)". But YAML turned out not to be as DWIM as I expected, which isn't surprising. Hence the need for lots of examples for lazy newbies like me.

Maybe as penance (and when I have time, this was all supposed to be a timesaver...) I'll write up a translation of perldsc into YAML.

[reply]

Re^6: YAML newbie help

by PodMaster (Abbot) on May 31, 2005 at 11:19 UTC


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