Discard stderr from sort, on some systems it spits out lots of irrelevant info.

tests/extrac04.at

@@ -35,7 +35,7 @@ tar -cf archive ./file1 directory
 tar -tf archive \
   --exclude='./*1' \
   --exclude='d*/*1' \
-  --exclude='d*/s*/*2' | sort
+  --exclude='d*/s*/*2' | sort 2>/dev/null
 ],
 [0],
 [directory/

tests/listed02.at

@@ -57,7 +57,7 @@ mv tart/c1 tart/c2
 touch tart/c2/ca3
 
 echo Directory contents
-find tart|sort
+find tart|sort 2>/dev/null
 
 sleep 1
 echo Creating incremental archive
@@ -73,10 +73,10 @@ echo Extracting incremental archive
 # This command should produce three messages about deletion
 # of the existing files, that may appear in any order. Piping
 # to sort makes sure we don't depend on any particular ordering.
-tar -x -v --listed-incremental=tart.incr2 -f archive.2 | sort 
+tar -x -v --listed-incremental=tart.incr2 -f archive.2 | sort 2>/dev/null 
 
 echo Final files:
-find tart|sort
+find tart|sort 2>/dev/null
 ],
 [0],
 [Create directories