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Michael Stone <mstone at mathom.us> writes: > On Sun, Mar 20, 2016 at 08:30:33PM +0000, Colin Watson wrote: >>How about something like: >> >> if [ "$(sed -n '${s/.*//;p}' ~/.ssh/authorized_keys | wc -l)" = 0 ]; then >> echo >> ~/.ssh/authorized_keys >> fi >> >>I feel like there must be a neater but still portable way