#!/usr/local/bin/tclsh8.4
# The exec tclsh<whatever>'' below will simply be ignored.
# \
if [ -e /usr/bin/tclsh ]; then exec /usr/bin/tclsh "$0" ${1+"$@"} ; fi
# \
if [ -e /usr/local/bin/tclsh8.4 ]; then exec /usr/local/bin/tclsh8.4 "$0" ${1+"$@"} ; fi
# \
if [ -e /usr/local/bin/tclsh8.3 ]; then exec /usr/local/bin/tclsh8.3 "$0" ${1+"$@"} ; fi
# \
if [ -e /usr/bin/tclsh8.4 ]; then exec /usr/bin/tclsh8.4 "$0" ${1+"$@"} ; fi
# \
exec tclsh "$0"

puts "Content-Type: text/html\n\n<h1>Hello</h1>"