proc run-mss {args} { eval [list exec] [mss-program] $args }
+proc diff {a b seddery} {
+ puts "$a $b $seddery"
+ exec bash -c "
+ diff -u <($seddery $a) \\
+ <($seddery $b)
+ "
+}
+
+proc diff-output {expected got suffix} {
+ global seddery
+ global tmp
+ diff mtest/$expected$suffix $tmp/$got$suffix $seddery
+}
+
file mkdir $tmp/groupfiles
set env(PYTHONHASHSEED) 0
set env(PYTHONBYTECODEBASE) 0
+set seddery { sed -n 's/^[ \t]*//; /^[^#]/p' }
+
prefix_some_path PYTHONPATH .