On Thu, Jul 18, 2024, at 1:50 PM, Jan Engelhardt wrote: > On Thursday 2024-07-18 15:40, Zack Weinberg wrote: >>On Thu, Jul 18, 2024, at 5:09 AM, Tijl Coosemans wrote: >>> Automake 1.17 produces a warning for the use of \# here: >>> >>> https://github.com/ddclient/ddclient/blob/d88e6438efbc53e977546693f6835f7517072a06/Makefile.am#L22 >> >>subst = sed \ >> -e 's|@PACKAGE_VERSION[@]|$(PACKAGE_VERSION)|g' \ >> -e '1 s|^\#\!.*perl$$|\#\!$(PERL)|g' \ >> -e 's|@localstatedir[@]|$(localstatedir)|g' \ >> [etc] > > How much if EBCDIC a thing still, or can we assume ASCII and use \x23?
Many, possibly all, non-GNU implementations of sed do not support \x escapes (nor any other C-style character escape sequences). zw
