Hello Monks

I am reading somebody else's script and I found code like 

while(-d $dest_book){
                ##Some code            
}

[download]

What does "-d" means?

I also found

if(-f $path_browsefile){
   ##Some code
}

[download]

Here what is -f?

Are there more such options in perl?..If yes where can I find their reference?

Thanks

Update: Thank you Monks.. This was helpful :)

In reply to What are -d and -f for? by tej

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