From: Kees Cook > Sent: 23 June 2021 23:47 > > On Wed, Jun 23, 2021 at 04:27:47PM +0000, David Laight wrote: ... > > You can probably even do: > > > > echo "$test" | /bin/sh -c cat >$TRIGGER || true > > > > (moving the redirect to the outer shell). > > Actually, it looks like the "write" is already happening in the exec'd > process, so this can just be: > > echo "$test" | cat >$TRIGGER || true > > But it still can't be: > > echo "$test" >$TRIGGER > > which is what I had over-engineered a solution to. :) That one fails because echo is the shell builtin. But: /bin/echo "$test" >$TRIGGER should be fine. Quite where the original came from I not sure I want to find out. David - Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK Registration No: 1397386 (Wales)
