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vram22
on Feb 3, 2019
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Stack Overflow: Helping One Million Developers Exi...
Similarly, to not overwrite an existing file when doing output redirection, there is bash's noclobber option.
https://www.google.co.in/search?q=bash+set+noclobber
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Search:
https://www.google.co.in/search?q=bash+set+noclobber