i have 16 different types of files and i have to take the files in the bunch of 5 from the 16 files, how i put permutation and combination to get 5 files from the 16 files each time differently?

For Example

12134,11111,12111,

Answer 1

[Guillaume]

Not clear what you call file when you only show numbers. To get 5 distinct random numbers from the range 1:16:

randperm(16, 5)

[Sun Heat]

yes, file name is numbers.