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Old 10-26-2021, 02:02 AM
teoadams teoadams is offline
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Join Date: Aug 2004
Location: Milano
Posts: 49
open old unix compressed file without extension

Hello, I need to open old unix drawings (ME10 v.8 / stored as 2.21 compressed) which were saved from hp-ux ws in compressed mode and without exetension.
I've tried to open using drafting 18.1 and back to 14.00 but I get always the same answer: impossible load mi file...see log and log says invalid contents table..

I've also tried to rename a drawing as *.z and use gzip -d to decompress it but the result is not good: corrupt input

Unfortunately my old hp C200 won't start any more because of the common known problem on its psu and I'd prefer not to spend more than 200euro for a refurbished one.

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Old 10-27-2021, 06:13 AM
Andy Poulsen Andy Poulsen is offline
Join Date: Apr 2003
Location: Fort Collins, Colorado
Posts: 273
Re: open old unix compressed file without extension

Hi Teo,

We've recently helped a customer with this exact issue. The reason it's a problem is that the file was originally created using cpio, which (fortunately) 7-zip is able to open just fine.

An easy way to open the file is to make sure 7-zip is installed on your system. Then right-click on the file and select "Open Archive" on the 7-zip submenu. When it opens the file, double-click on the file inside the archive to open that one (as it's really an archive within an archive). The resulting file (which is often named something like ab12345.mi or some other short name) can then be dragged out of the 7-zip file manager to your desired location and then renamed to something that makes sense for you, and then you should be able to load it.

If you have a bunch of files you need to do at once, you should be able to script something to make it work without too much trouble.

I hope this helps -- please let me know how it goes!

Good luck!

Andy Poulsen
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Old 11-09-2021, 01:34 AM
teoadams teoadams is offline
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Join Date: Aug 2004
Location: Milano
Posts: 49
Re: open old unix compressed file without extension

Hi Andy, sorry for late in answer. Your suggestion was very good and I've been able to open my old files.

thanks again

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