Question

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How do you handle resources in MATLAB in an exception safe manner? (like “try … finally”)
How can I close files that are left open after an error?

I create some files and directories via fopen and mkdir, and I close any open streams with the appropriate fclose command when I finish writing to the files. Nevertheless, when I abort a computation with Ctrl+C these directories/files remain in memory somehow and I am unable to delete them. Not even subsequent close all calls can free them, I have to exit Matlab to free these files. Any idea how I can counter this behaviour (other than ‘stop using abort’)?

System is: Win7 64bit, Matlab R2011b.

Answer 1

Simple solution: fclose('all')