do-test

#!/bin/sh
#
# do-test - show date and run a test
# 
# usage: do-test <executable>
#
# <executable> should be an absolute path or preceeded by "."
#
case $# in
  1) exec="$1" ;;
  *) echo "usage: do-test <executable>" 1>&2 ; exit 1 ;;
esac
if [ ! -x "$exec" ]; then
  echo "executable $exec not found" 1>&2
  exit 1
fi
# to avoid $PATH consulting
case "$exec" in
  */*) ;;
  *) exec="./$exec" ;;
esac
env LANG=C date
echo ''
"$exec"