algo/tests/should-get-tests: avoid temporary files if not required

out/ directory may not exist, leading to errors.
In that case we can do without temporary files.

algo/tests/should-get-tests/doc-examples.should-get

 !NO_LAUNCHER:
-!LAUNCH: (cd $VIDJIL_DIR ; grep './$EXEC ' doc/algo.org > out/doc-examples.sh ; sh out/doc-examples.sh)
+!LAUNCH: (cd $VIDJIL_DIR ; grep './$EXEC ' doc/algo.org | sh)
 
 # Test examples embedded in 'doc/algo.org'
 

algo/tests/should-get-tests/vidjil-h-examples.should-get

 !NO_LAUNCHER:
-!LAUNCH: (cd $VIDJIL_DIR ; ./$EXEC -h 2> out/vidjil-h.txt ; grep '$EXEC -c' out/vidjil-h.txt > out/vidjil-h.sh ; sh out/vidjil-h.sh)
+!LAUNCH: (cd $VIDJIL_DIR ; ./$EXEC -h 2>&1 > /dev/null | grep '$EXEC -c' | sh)
 
 # Test examples embedded in './vidjil-algo -h'
 

[Mathieu Giraud]

out/ directory may not exist

Oui, tout à fait, cela dépendait des tests d'avant. Bien plus propre ainsi, merci.