Beefy Boxes and Bandwidth Generously Provided by pair Networks
Just another Perl shrine
 
PerlMonks  

Re^3: hash parameter question

by jarich (Curate)
on Dec 13, 2005 at 02:43 UTC ( [id://516217]=note: print w/replies, xml ) Need Help??


in reply to Re^2: hash parameter question
in thread hash parameter question

Nope. $_ contains a string. A key from %users; which is presumably a username. Your suggestion will therefore not work.

Had PerlHeathen written:

foreach(values %users) { my %user=$_; my $pw=getpwnam($user{uname}); my $homedir=$pw->dir; }

(note the use of values) then $_ would be a reference to a hash and then your solution would make the code work.

For example:

foreach(values %users) { my %user=%$_; my $pw=getpwnam($user{uname}); my $homedir=$pw->dir; }

It is likely that this is what PerlHeathen was trying to write in the first place.

jarich

Replies are listed 'Best First'.
Re^4: hash parameter question
by PerlHeathen (Initiate) on Dec 14, 2005 at 19:12 UTC
    Thank you all. This is what I was looking for; I need both suggestions -- pass by reference & use values(%users) instead.

    thanks again!

Log In?
Username:
Password:

What's my password?
Create A New User
Domain Nodelet?
Node Status?
node history
Node Type: note [id://516217]
help
Chatterbox?
and the web crawler heard nothing...

How do I use this?Last hourOther CB clients
Other Users?
Others cooling their heels in the Monastery: (3)
As of 2024-04-18 22:54 GMT
Sections?
Information?
Find Nodes?
Leftovers?
    Voting Booth?

    No recent polls found