1# This tests a quality of implementation issue. 2# Shells are not required to reject executing binary files as shell scripts 3# but executing, for example, ELF files for a different architecture as 4# shell scripts may have annoying side effects. 5 6T=`mktemp -d "${TMPDIR:-/tmp}/sh-test.XXXXXXXX"` || exit 7trap 'rm -rf "${T}"' 0 8printf '\211PNG\015\012\032\012\0\0\0\015IHDR' >"$T/testshellproc" 9chmod 755 "$T/testshellproc" 10PATH=$T:$PATH 11errout=`testshellproc 3>&2 2>&1 >&3 3>&-` 12r=$? 13[ "$r" = 126 ] && [ -n "$errout" ] 14