Taking a shot here. Are there any tools (including PowerShell) to estimate the size of a folder that will be zipped? For example, I have about 500 folders in a directory and need to zip each one individually so the main directory will show 500 zip files. Before I go through all the trouble of zipping these folders, I would like to know how much space I would actually be saving. This is in Win 2012r2 in a standard directory.
1 Answers
The ratio of compression depend (as already mentioned in comment) very much from the data. Here is one example with 1MB files one with zero, second with random data (it is in Linux, but you will get the point):
# ls -l
-rw-r--r-- 1 name UsersGrp 1048576 Sep 19 19:11 rand_file
-rw-r--r-- 1 name UsersGrp 1048576 Sep 19 19:11 zero_file
# zip random rand_file
adding: rand_file (deflated 0%)
# zip zero zero_file
adding: zero_file (deflated 100%)
# ls -l
total 1539
-rw-r--r-- 1 name UsersGrp 1048576 Sep 19 19:11 rand_file
-rw-r--r-- 1 name UsersGrp 1048904 Sep 19 19:14 random.zip
-rw-r--r-- 1 name UsersGrp 1201 Sep 19 19:14 zero.zip
-rw-r--r-- 1 name UsersGrp 1048576 Sep 19 19:11 zero_file
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