Re: Zipping files woes and evils. :)

Hi Jason,

If you're supplying a password, I assume this means you need to use the cryptography support in .ZIP.  (Most people do not use passwords on a .ZIP file, which might be why this seems extra difficult for you, it's less mainstream.)

It's been a few years since I've done this, but when I did I found 3 tools that supported passwords:

1. InfoZip.  Works well, but only supported older encryption standards (not sure if this has changed since I looked into it.)

2. 7-Zip.  Did support the latest cryptography, and worked well. A bit more complicated because it supports tons of different formats, not just ZIP.

3. The PKWARE commercial offering. I didn't look into this any further beyond determining that it supported passwords, and never tried it myself.

Other tools out there, such as the MiniZip/ZLIB tool and JAR did not support passwords or encryption when I looked into it.

Both InfoZip and 7-Zip run in PASE.

-SK


On 4/18/19 1:11 PM, Jason Olson wrote:

There are times when you get so annoyed with IBM i that you just wanna run
out of the room screaming. OK I'm being overdramatic here but I am kinda
annoyed by one thing in particular.

I used to use the zip utility from here,

http://uzaemon.d.dooo.jp/#download

to zip and unzip .zip files on IBM i. However, that product has not been
updated to the latest ZLIB in a long period of time. So when I noticed that
IBM gave us the CPYTOARCF commands I was happy, but you can't supply that a
password. And, you always get the full directory path in the .zip and there
isn't a way to stop that that I know of.

So what do others do for their .zip files? Do you use a commerical product
or are you using ZLIB with minizip included? Are you building your own? I'd
love to know as I hate using 3rd party apps if I don't have to.


Thanks,

Jason E. Olson
IBM i Engineer/Developer
josys36@xxxxxxxxx
480.223.2952