Hash table in PowerShell
hashtable is easy to create, access and manipulate.
we simply use
1 | $hashTable = @{} |
to create an empty hash table.
and use
1 | $hashTable.color = "Blue" |
to set the key and value pair.
refer to http://ss64.com/ps/syntax-hash-tables.html, it is very flexible to use hash table.
one thing I want to point out is that whenver we want to traverse the hashtable, what can we do ?
just like an Array in PowerShell, using ForEach can do it.
For hashtable, we can use like:
1 2 3 4 | foreach ($dog in $dogs.GetEnumerator()) { # do what you like } |
or
1 | $hashtable.GetEnumerator() | ForEach-Object { … } |
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