// test: ascii.exe -h
// test: ascii.exe -h | awk '/usage:/ { rc=1 } END { exit (1-rc) }'
-// test: ascii.exe -_ 2> /dev/null | awk 'END { if (NR == 0) { exit(0) } else exit (1) }'
+// test: ascii.exe -_ 2>/dev/null | awk 'END { if (NR == 0) { exit(0) } else exit (1) }'
+// test: ascii.exe error 2>&1 | grep -q 'invalid option'
// test: ascii.exe -_ 2>&1 | awk '/usage:/ { rc=1 } END { exit (1-rc) }'
// test: ascii.exe | awk '/ 64\[40\] @/ { rc=1 } END { exit (1-rc) }'
// test: ascii.exe | awk '/127\[7f\] DEL/ { rc=1 } END { exit (1-rc) }'
+// test: ascii.exe -v | grep -q version
// test: ascii.exe -c 4 | tail -1 | awk '/63/ { rc=1 } END { exit (1-rc) }'
// test: ascii.exe -c 5 | tail -1 | awk '/51/ { rc=1 } END { exit (1-rc) }'
// test: ascii.exe -c 6 | tail -1 | awk '/42/ { rc=1 } END { exit (1-rc) }'
+// test: ascii.exe -c 2>&1 | grep -q 'missing number of columns'
/* vim: set ts=4 sw=4 et: */