Of course you could redirect the program data to a file and see what's exactly in there. Still, both stdout and stderr are connected to the terminal, and that's why 7z would complain.Ģ>/dev/null will simply redirect the 7z's program data to "nowhere" and thus make the -so option possible. At the same time it is putting the 7z program data on stderr (this is how I interpret it, though). (Optional) Set the desired compression level by clicking the down arrow next to 'Convert to ZIP'. Drag and drop the 7z file directly onto ezyZip. To select the 7z file, you have two options: Click ' Select 7z file to convert ' to open the file chooser. When you run 7z e -so file.zip, 7z will try to write data content of the files in the zip archive to stdout due to the -so option. Here are the steps to convert 7z to zip archive using ezyZip. ![]() When you run 7z e file.zip, it will print some output to stdout (7z program data). When a program is executed, it can produce standard output (stdout on "channel" 1) or standard error (stderr on "channel" 2) or both at the same time. It has to do with "streams" produced by a program. In this context, it's kind of difficult to explain, but I'll try.
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