Tente com o comando join
.
join <(sort file1.csv | sed 's/$/,/g') <(sort index.txt | sed 's/ /, /g')
2013/10/10-129, DLXDAE, 15:33, 18:46, Normal, No, 5F2B0121-4F2B-481D-B79F-2DC827B85093/22551965, 33f7592a4ad22f9f6d63d6a17782d023
2013/10/13-121, DLDFWSXDR, 15:33, 18:21, Normal, No, 5F2B0121-4F2B-481D-B79F-2DC827B85093/22551965, f19f26f09691c2429cb33456cf64f867
2013/10/17-131, DLDFWXDR, 11:05, 15:08, Normal, No, 5F2B0121-4F2B-481D-B79F-2DC827B85093/22551965, 583d3936c814c1bf4e663fe1688fe4a3
2013/10/20-106, DLSDXDR, 12:08, 13:06, Normal, No, 5F2B0121-4F2B-481D-B79F-2DC827B85093/22551965, 0f7082e2bb7224aad0bd7a6401532f56
-
sort t1 | sed 's/$/,/g'
sort file1.csv e sufix por vírgula. -
sort t2 | sed 's/ /, /g'
sort index.txt e substitua o delimitador - Em seguida, use o comando join (por padrão, primeiro campo).