bash - Possible to create burn-after-execute temp file in one line? -

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i have lot of (virtual) machines initialize, wrote init script , put on web server. paste following 4 lines 1 line console, vm can initialized expected.

tempfile = `mktemp` curl http://host/path/to/init.sh > $tempfile sh $tempfile \rm $tempfile

how write more elegant , compact?

you can directly pipe curl's output shell:

curl http://host/path/to/init.sh | sh

no tempfile needed.

however, potentially insecure because hacker might modify init.sh during transmission , able execute arbitrary code on system then. @ least suggest use https


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