Matching two files and printing lines that appear first time
Matching two files and printing lines that appear first time I have two files that look like this: file1 (unique IDs): C84610112 C96209347 C84774620 C84774691 C85594749 C89372772 C89651687 C89845500 C89914896 C91269765 C91526663 C92210411 C92254517 C93709504 C94303303 C95100561 C95100609 C95417520 C95696352 C96045246 C96045496 C96060727 C96076986 and file2: 1 C95696352 score: -69.785 nathvy = 38 nconfs = 888 2 C98230482 score: -57.431 nathvy = 47 nconfs = 575 3 C96209347 score: -57.128 nathvy = 24 nconfs = 1188 4 C36510773 score: -56.502 nathvy = 38 nconfs = 7595 5 C04355288 score: -56.400 nathvy = 41 nconfs = 50502 6 C89372772 score: -55.728 nathvy = 22 nconfs = 3228 7 C96209347 score: -54.713 nathvy = 24 nconfs = 162 8 C96209347 score: -53.901 nathvy = 24 nconfs = 159 9 C06169346 score: -53.438 nathvy = 22 nconfs = 105 10 C95696352 score: -52.848 nathvy = 38 nconfs = 878 11 C98216318 score: -52.061 nathvy = 52 nconfs = 1092 12 C04285713 score: -5