What this code do?
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I would like to know what this code does?
dos('rm *.ascii');
thanks
回答（2 个）
Geoff Hayes
2014-6-24
2 个投票
In the Command Window type help dos or doc dos. The dos function executes a DOS command and returns the result:
status = dos(command) executes the specified DOS command for Windows® platforms, and waits for the command to finish execution before returning the exit status to the status variable
The command string in this case is rm *.ascii which should remove all files with the ascii extension from the current directory.
2 个评论
subha
2014-6-24
Geoff Hayes
2014-6-24
I should have indicated that I ran this piece of code on my Mac where the rm command is valid and so will (and did!) remove all files with the ascii extension...
Image Analyst
2014-6-24
编辑：Image Analyst
2020-5-4
1 个投票
Does that command even work, or does it throw an error?
For DOS, use del instead of rm. Or use the system() function instead of the dos() function.
4 个评论
subha
2014-6-25
Image Analyst
2014-6-25
Yeah, because it's not a DOS command. Try using del instead of rm if you want to run it.
subha
2014-6-25
Waqar Khan
2020-5-4
Thank you
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