From: Darrick J. Wong <darrick.wong@xxxxxxxxxx> coreutils provides the shuf(1) utility that randomizes the order of a list and seeds its random number generator with /dev/urandom. It's a bit speedier than awk, so use it if available. Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx> --- check | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/check b/check index ecd1d39a..a2c5ba21 100755 --- a/check +++ b/check @@ -243,7 +243,11 @@ _prepare_test_list() # sort the list of tests into numeric order if $randomize; then - sorter="awk -v seed=$RANDOM -f randomize.awk" + if type shuf >& /dev/null; then + sorter="shuf" + else + sorter="awk -v seed=$RANDOM -f randomize.awk" + fi else sorter="cat" fi