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-rw-r--r--python/refcat/tasks.py4
1 files changed, 2 insertions, 2 deletions
diff --git a/python/refcat/tasks.py b/python/refcat/tasks.py
index fbe7b1a..77690c5 100644
--- a/python/refcat/tasks.py
+++ b/python/refcat/tasks.py
@@ -305,8 +305,8 @@ class RefsDOI(Refcat):
def run(self):
output = shellout("""
zstdcat -T0 {input} |
- skate-map -m ff -x biblio.doi |
- LC_ALL=C sort -T {tmpdir} -k2,2 -S25% --parallel 4 |
+ skate-map -m ff -x biblio.doi -skip-on-empty 1 |
+ LC_ALL=C sort -T {tmpdir} -k1,1 -S25% --parallel 4 |
zstd -T0 -c > {output}
""",
n=self.n,