Hello, Please try to run diff3 from diffutils 3.4 as follows:
echo a > a.txt echo b > b.txt echo c > c.txt diff3 a.txt b.txt c.txt Expected output (with diff3 from diffutils 3.3): ==== 1:1c a 2:1c b 3:1c c Actual output (with diff3 from diffutils 3.4): ====3 1:1c 2:1c a 3:1c c There was only one commit in src/diff3.c between 3.3 and 3.4: http://git.savannah.gnu.org/cgit/diffutils.git/commit/src?id=3b74a905c5460e7979c53273ac90345860d001a7 Reverting this commit fixes the issue. Best Bastian -- Bastian Beischer RWTH Aachen University of Technology @RWTH Aachen Office: 28 C 203 Phone: +49-241-80-27205 E-mail: beisc...@physik.rwth-aachen.de Address: I. Physikalisches Institut B, Sommerfeldstr. 14, D-52074 Aachen @CERN Office: Bdg 32-4-B12 Phone: +41-22-76-75750 E-mail: bastian.beisc...@cern.ch Address: CERN, CH-1211 Geneve 23