Check if +x in 1989/westley/try.sh

Check that program is executable before trying to use it.

1989/westley/try.sh

@@ -1,7 +1,9 @@
 #!/usr/bin/env bash
 
-make all || exit 1
+# first compile everything or at least try to
+./compile.sh
 
+if [[ -e "./westley" ]]; then
     echo "$ echo IOCCC | ./westley"
     echo IOCCC | ./westley
     echo
@@ -17,11 +19,27 @@ echo
     echo "$ echo IOCCC | ./westley 1 2 3"
     echo IOCCC | ./westley 1 2 3
     echo
+fi
 
+if [[ -e "./ver0" ]]; then
     echo "$ echo IOCCC | ./ver0"
     echo IOCCC | ./ver0
     echo
 
+    echo "$ echo IOCCC | ./ver0 1"
+    echo IOCCC | ./ver0 1
+    echo
+
+    echo "$ echo IOCCC | ./ver0 1 2"
+    echo IOCCC | ./ver0 1 2
+    echo
+
+    echo "$ echo IOCCC | ./ver0 1 2 3"
+    echo IOCCC | ./ver0 1 2 3
+    echo
+fi
+
+if [[ -e "./ver1" ]]; then
     echo "$ echo Version 1 | ./ver1"
     echo Version 1 | ./ver1
     echo
@@ -37,7 +55,9 @@ echo
     echo "$ echo Version 1 | ./ver1 1 2 3"
     echo Version 1 | ./ver1 1 2 3
     echo
+fi
 
+if [[ -e "./ver2" ]]; then
     echo "$ echo Version 2 | ./ver2"
     echo Version 2 | ./ver2
     echo
@@ -53,7 +73,9 @@ echo
     echo "$ echo Version 2 | ./ver2 1 2 3"
     echo Version 2 | ./ver2 1 2 3
     echo
+fi
 
+if [[ -e "./ver3" ]]; then
     echo "$ echo Version 3 | ./ver3"
     echo Version 3 | ./ver3
     echo
@@ -68,3 +90,4 @@ echo
 
     echo "$ echo Version 3 | ./ver3 1 2 3"
     echo Version 3 | ./ver3 1 2 3
+fi