#diff test.csv diff.csv 
3c3
< 000788-20     "T&S Eterna Inserts, R.H."      13.86   10.4    10.4    10.4    10.4
---
> 000788-20     "T&S Eterna Inserts, R.H."      13.86   10.4    10.4    10.4    10.56
5d4
< 000794-25     T&S Stem For B-290      36.61   27.46   27.46   27.46   27.46
7c6
< 000796-25     T&S Stem For B-230      39.45   29.59   29.59   29.59   29.59
---
> 000796-25     T&S Stem For B-230 asdf 39.45   29.59   29.59   29.59   29.59
10a10
> 000812-25     "T&S Stems for Eterna Cartrgs,RH"       14.04   10.53   10.53   10.53   10.53
# cat test.csv 
test    test
00023   "Drain Cleaner, Powerhouse, 1Lt"        10.99   8.99    8.99    8.99    8.99
000788-20       "T&S Eterna Inserts, R.H."      13.86   10.4    10.4    10.4    10.4
000789-20       "T&S Eterna Inserts, L.H."      12.85   9.64    9.64    9.64    9.64
000794-25       T&S Stem For B-290      36.61   27.46   27.46   27.46   27.46
000795-25       T&S Stem For B-230      36.54   27.41   27.41   27.41   27.41
000796-25       T&S Stem For B-230      39.45   29.59   29.59   29.59   29.59
000800-25       T&S Stems for B-1100 Style Tap  15.69   11.77   11.77   11.77   11.77
000801-25       T&S Stems for B-1100 Style Tap  15.69   11.77   11.77   11.77   11.77
000811-25       "T&S Stems for Eterna Cartrgs,RH"       14.04   10.53   10.53   10.53   10.53
# cat diff.csv 
test    test
00023   "Drain Cleaner, Powerhouse, 1Lt"        10.99   8.99    8.99    8.99    8.99
000788-20       "T&S Eterna Inserts, R.H."      13.86   10.4    10.4    10.4    10.56
000789-20       "T&S Eterna Inserts, L.H."      12.85   9.64    9.64    9.64    9.64
000795-25       T&S Stem For B-230      36.54   27.41   27.41   27.41   27.41
000796-25       T&S Stem For B-230 asdf 39.45   29.59   29.59   29.59   29.59
000800-25       T&S Stems for B-1100 Style Tap  15.69   11.77   11.77   11.77   11.77
000801-25       T&S Stems for B-1100 Style Tap  15.69   11.77   11.77   11.77   11.77
000811-25       "T&S Stems for Eterna Cartrgs,RH"       14.04   10.53   10.53   10.53   10.53
000812-25       "T&S Stems for Eterna Cartrgs,RH"       14.04   10.53   10.53   10.53   10.53
#diff -n test.csv diff.csv |grep -v "^[ad][0-9]* [0-9]"
000788-20       "T&S Eterna Inserts, R.H."      13.86   10.4    10.4    10.4    10.56
000796-25       T&S Stem For B-230 asdf 39.45   29.59   29.59   29.59   29.59
000812-25       "T&S Stems for Eterna Cartrgs,RH"       14.04   10.53   10.53   10.53   10.53
#