Beefy Boxes and Bandwidth Generously Provided by pair Networks
Clear questions and runnable code
get the best and fastest answer
 
PerlMonks  

comment on

( [id://3333]=superdoc: print w/replies, xml ) Need Help??
How about this?
sub flatten {return "@_"}; if ( flatten(%hash1) eq flatten(%hash2) ) { print "equal\n" } else { print "not\n" }
This will compare the keys as well as the values, so if the same values are fixed to different keys then it should still return false. The 'stringification warning' above applies, i.e. this might have a problem with fractional numbers. Should be ok with strings and integers though.

andy.

PS If anyone can tell me how to get this hash-flattened-into-an-array behaviour without a sub, I'd be interested. I've been fiddling around with the syntax trying to get that.

PPS Can two hashes with identical keys and values ever store the keys in a different order? I've been assuming not, but if they can, then the above won't work reliably. Again, would be interested in info... or a pointer to the correct RTFM... on this.


In reply to andye Re: How to test equality of hashes? by andye
in thread How to test equality of hashes? by acser

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



  • Are you posting in the right place? Check out Where do I post X? to know for sure.
  • Posts may use any of the Perl Monks Approved HTML tags. Currently these include the following:
    <code> <a> <b> <big> <blockquote> <br /> <dd> <dl> <dt> <em> <font> <h1> <h2> <h3> <h4> <h5> <h6> <hr /> <i> <li> <nbsp> <ol> <p> <small> <strike> <strong> <sub> <sup> <table> <td> <th> <tr> <tt> <u> <ul>
  • Snippets of code should be wrapped in <code> tags not <pre> tags. In fact, <pre> tags should generally be avoided. If they must be used, extreme care should be taken to ensure that their contents do not have long lines (<70 chars), in order to prevent horizontal scrolling (and possible janitor intervention).
  • Want more info? How to link or How to display code and escape characters are good places to start.
Log In?
Username:
Password:

What's my password?
Create A New User
Domain Nodelet?
Chatterbox?
and the web crawler heard nothing...

How do I use this?Last hourOther CB clients
Other Users?
Others perusing the Monastery: (9)
As of 2024-03-28 18:59 GMT
Sections?
Information?
Find Nodes?
Leftovers?
    Voting Booth?

    No recent polls found