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