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From: | "cyg Simple" <cygsimple AT gmail DOT com> |
To: | <cygwin AT cygwin DOT com> |
References: | <20150212134550 DOT GC20741 AT dinwoodie DOT org> <20150212170342 DOT GB7818 AT calimero DOT vinschen DOT de> <925263616 DOT 20150213005102 AT yandex DOT ru> <20150213092339 DOT GB17624 AT calimero DOT vinschen DOT de> <1083078655 DOT 20150213130932 AT yandex DOT ru> <20150213105917 DOT GE20741 AT dinwoodie DOT org> <02f801d0479f$e93c9c20$bbb5d460$@gmail.com> <20150213152551 DOT GF20741 AT dinwoodie DOT org> |
In-Reply-To: | <20150213152551.GF20741@dinwoodie.org> |
Subject: | RE: Writing to /dev/clipboard from multiple processes in Bash gives inconsistent behaviour |
Date: | Fri, 13 Feb 2015 10:43:57 -0500 |
Message-ID: | <043801d047a3$e253abc0$a6fb0340$@gmail.com> |
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> From: Adam Dinwoodie > On Fri, Feb 13, 2015 at 10:15:30AM -0500, cyg Simple wrote: > > > From: Adam Dinwoodie > > > > > > In which case, I wonder if it's worth adding something to the > > > FAQ/BLODA > > about > > > this? I guess not, at least until someone independently encounters > > > this behaviour so it warrants the "F" as well as the "AQ". > > > > > > > I find it strange that someone would be using /dev/clipboard for a > > temporary buffer of data for a batch process anyway. Too many > > opportunities for that data to be corrupted by other actions of the > > user. So in other words, just don't do that; it isn't portable and it > > is prone to error. The proper use would be for a user to store > > content in /dev/clipboard that the user would then use immediately to > > paste elsewhere. It should never be used for programmatic operation > > where the operation is dependent on the result later; it wasn't designed for > that. > > I'm not sure what gave you the impression anyone was trying to use the > clipboard as a buffer for a batch process. I can't see anyone using batch at all, > for that matter. (Or do you mean "shell" instead of "batch"? The two are > different things.) > A shell command line can batch commands; a batched process doesn't require a file. > My original use case (as mentioned in my original email) was a `find` command > that `-exec`'d multiple times to produce output. That went to the clipboard, for > me to paste into a Windows application. > I would put the output to a /tmp/deleted.lst file and when I'm ready to paste it into the mail I would cat /tmp/deleted.lst > /dev/clipboard. > The shell code I posted was a simple test case to show the problem, not actually > what I'm trying to achieve. Posting simplified example code that demonstrates > a problem is a common way to get help because it means others only need to > understand the simple example, not the full problem: > https://cygwin.com/acronyms/#STC By the design and purpose of the Windows Clipboard your use of /dev/clipboard is flawed. You need to change your methods in order to fix the issue. -- cyg Simple -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
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