Implements issue #13

ok.sh

@@ -106,7 +106,7 @@ environment variables (for internal use):
     if [ -z ${_OK_VERBOSE+x} ];   then local verbose=1;                 else local verbose=$_OK_VERBOSE;     fi
 
     # handle command line arguments now
-    local ok_file=".ok"
+    local ok_file=""
     local args # Make sure no double space is added
     if [[ -z "$*" ]]; then
         args="ok"
@@ -147,6 +147,15 @@ environment variables (for internal use):
         fi
         shift
     done
+    # When no ok_file supplied, check if a default one is readable
+    if [[ -z "$ok_file" ]]; then
+        for f in .ok-sh .ok; do
+            if [[ -r "$f" ]]; then
+                ok_file="$f"
+                break # found
+            fi
+        done
+    fi
 
     if [[ $cmd == usage ]]; then
         _ok_cmd_usage "$usage_error" || return $?

test/.ok

@@ -1,14 +1,5 @@
-# Control what python to use
-_OK__PATH_TO_PYTHON=$(command -v python) # set python2
-_OK__PATH_TO_PYTHON=$(command -v python3) # set python3
-unset _OK__PATH_TO_PYTHON #test if this works too
-echo "Path to python: '$_OK__PATH_TO_PYTHON'" # check path
-$_OK__PATH_TO_PYTHON --version # check python version
-# Control encoding or not
-echo "Python IO Encoding: ${PYTHONIOENCODING:--=not-set=-}"
-export PYTHONIOENCODING="UTF-8" # only python3 will choke on non-UTF-8, when this is set
-unset PYTHONIOENCODING # nonetheless, python will treat everything as ASCII
-# Go to the test cases
-cd iso_latin_1
-cd mac_os_roman
-cd utf_8
+# This `.ok` file should not be shown
+# because `.ok-sh` should be used.
+# `.ok-sh` takes precedence over `.ok` when both exists
+cat .ok
+cat .ok-sh

test/.ok-sh

@@ -0,0 +1,14 @@
+# Control what python to use
+_OK__PATH_TO_PYTHON=$(command -v python) # set python2
+_OK__PATH_TO_PYTHON=$(command -v python3) # set python3
+unset _OK__PATH_TO_PYTHON #test if this works too
+echo "Path to python: '$_OK__PATH_TO_PYTHON'" # check path
+$_OK__PATH_TO_PYTHON --version # check python version
+# Control encoding or not
+echo "Python IO Encoding: ${PYTHONIOENCODING:--=not-set=-}"
+export PYTHONIOENCODING="UTF-8" # only python3 will choke on non-UTF-8, when this is set
+unset PYTHONIOENCODING # nonetheless, python will treat everything as ASCII
+# Go to the test cases
+cd iso_latin_1
+cd mac_os_roman
+cd utf_8