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request perl "one liner" to comment out if "a,b or c"

TIMFOX123
TIMFOX123 asked
on
Medium Priority
380 Views
Last Modified: 2012-05-11
I want to do an inplace edit if
Line starts with
rlogin or rsh or login

I want to comment the line out

example
rlogin fred
login sally
eat pizza
rsh yada

would become
#rlogin fred
#login sally
eat pizza
#rsh yada

thx








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perl -pi.bak -e 's/^(r?login|rsh)/#$1/' filename

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Commented:
this work  

thx
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