PowerShell: How do I convert an array object to a string in PowerShell?

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PowerShell: How do I convert an array object to a string in PowerShell?

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`$a = 'This', 'Is', 'a', 'cat'

```

Using double quotes (and optionally use the separator `$ofs`)

`# This Is a cat
"$a"

# This-Is-a-cat
$ofs = '-' # after this all casts work this way until $ofs changes!
"$a"

```

Using operator join

`# This-Is-a-cat
$a -join '-'

# ThisIsacat
-join $a

```

Using conversion to `[string]`

`# This Is a cat
[string]$a

# This-Is-a-cat
$ofs = '-'
[string]$a

```