Usage of Exclamation point in MATLAB?

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Max
Max 2015-2-28
评论： Jan 2018-2-26
Hey all,
I just wondered about the application of "exclamation point" (!) in MATLAB. I have read a bit in forums and it is mostly said that " It indicates that the rest of the input line is issued as a command to the operating system.". Does anybody know what is the real-life application (by an example please)? Thanks a lot.
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per isakson
per isakson 2015-2-28
编辑：per isakson 2015-2-28
"read a bit in forums" &nbsp The Matlab documentation is typically a much better source of information.

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per isakson
per isakson 2015-2-28
编辑：Jan 2018-2-26
See the documentation Run External Commands, Scripts, and Programs. It includes description and examples. And I include a function, which I use to check whether files are locked by other programs. It uses system, which I prefer to !

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