Categories: java, groovy

How to create middle folders on an already existing path?

2 answers

I have a path like this:

/foo/bar/... (can contain other subdirs or files) 

I want to add a "middle" folder in the mid of said path, leading to:

/foo/middle/bar/... 

What's an elegant way to do that?

All answers to this question, which has the identifier 61102633

The best answer:

Yeah so what you can do is have a path like the following that represents the absolute path of foo/bar/

Path path = Paths.get("foo", "bar"); 

Then you can get the parent of the current path.

Path parent = path.getParent(); 

Then you can resolve a sibling, a new path.

Path newChild = parent.resolve("middle"); 

Then you cna create that path if it doesnt exist.

Files.createDirectory(newChild); 

Not sure what you have, or what you want, but assuming your path is a String

def path = "/foo/bar/baz/whee/yay" 

You could just split the string on /

def segments = path.split('/') 

insert one at position 2 (split has left us an empty entry before the initial /)

def inserted = segments[0..1] + 'new' + segments[2..-1] 

Then join them back together

assert inserted.join('/') == '/foo/new/bar/baz/whee/yay' 

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