我感兴趣的是如何执行一项任务：
我有文件1：
TRP 141
HIS 172
ALA 173
和我的文件2：
ATOM 295 CB GLN 139 10.898 0.612 22.999
ATOM 296 CG GLN 139 10.170 1.178 24.218
ATOM 297 CD GLN 139 10.037 0.191 25.374
ATOM 298 OE1 GLN 139 10.426 -0.961 25.269
ATOM 299 NE2 GLN 139 9.481 0.655 26.482
ATOM 300 N VAL 140 11.526 0.196 19.833
ATOM 301 CA VAL 140 12.435 -0.188 18.760
ATOM 302 C VAL 140 12.949 1.048 18.004
ATOM 303 O VAL 140 14.135 1.143 17.669
ATOM 304 CB VAL 140 11.753 -1.176 17.782
ATOM 305 CG1 VAL 140 12.534 -1.292 16.480
ATOM 306 CG2 VAL 140 11.596 -2.541 18.426
ATOM 307 N TRP 141 12.057 1.998 17.748
ATOM 308 CA TRP 141 12.410 3.177 16.968
ATOM 309 C TRP 141 13.005 4.292 17.817
ATOM 310 O TRP 141 13.888 5.006 17.356
ATOM 311 CB TRP 141 11.208 3.678 16.176
ATOM 312 CG TRP 141 10.729 2.678 15.166
ATOM 313 CD1 TRP 141 9.562 1.982 15.208
ATOM 314 CD2 TRP 141 11.412 2.252 13.976
ATOM 315 NE1 TRP 141 9.454 1.169 14.110
ATOM 316 CE2 TRP 141 10.579 1.308 13.340
ATOM 317 CE3 TRP 141 12.639 2.582 13.381
ATOM 318 CZ2 TRP 141 10.926 0.693 12.137
ATOM 319 CZ3 TRP 141 12.988 1.962 12.189
ATOM 320 CH2 TRP 141 12.133 1.032 11.580
ATOM 321 N SER 142 12.544 4.454 19.048
ATOM 322 CA SER 142 13.179 5.445 19.912
ATOM 323 C SER 142 14.602 5.035 20.296
ATOM 324 O SER 142 15.414 5.894 20.644
ATOM 325 CB SER 142 12.355 5.730 21.157
ATOM 326 OG SER 142 12.122 4.565 21.903
ATOM 327 N ASN 143 14.911 3.737 20.204
ATOM 328 CA ASN 143 16.273 3.231 20.454
ATOM 329 C ASN 143 17.320 3.814 19.517
ATOM 330 O ASN 143 18.499 3.879 19.869
ATOM 331 CB ASN 143 16.355 1.704 20.268
ATOM 332 CG ASN 143 15.766 0.913 21.419
ATOM 333 OD1 ASN 143 15.510 1.439 22.497
ATOM 334 ND2 ASN 143 15.558 -0.380 21.185
ATOM 335 N VAL 144 16.894 4.189 18.313
ATOM 543 N HIS 172 -8.982 3.379 2.407
ATOM 544 CA HIS 172 -8.156 2.181 2.287
ATOM 545 C HIS 172 -8.737 0.986 3.063
ATOM 546 O HIS 172 -8.438 0.793 4.231
ATOM 547 CB HIS 172 -6.734 2.506 2.757
ATOM 548 CG HIS 172 -6.139 3.708 2.084
ATOM 549 ND1 HIS 172 -6.132 4.960 2.661
ATOM 550 CD2 HIS 172 -5.544 3.851 0.875
ATOM 551 CE1 HIS 172 -5.552 5.819 1.841
ATOM 552 NE2 HIS 172 -5.186 5.171 0.750
ATOM 553 N ALA 173 -9.550 0.170 2.395
ATOM 554 CA ALA 173 -10.284 -0.922 3.052
ATOM 555 C ALA 173 -9.432 -2.158 3.323
ATOM 556 O ALA 173 -8.509 -2.466 2.570
ATOM 557 CB ALA 173 -11.485 -1.309 2.200
ATOM 558 N PHE 174 -9.773 -2.875 4.397
ATOM 559 CA PHE 174 -9.194 -4.180 4.677
ATOM 560 C PHE 174 -9.983 -5.307 3.968
ATOM 561 O PHE 174 -11.075 -5.081 3.423
ATOM 562 CB PHE 174 -9.124 -4.414 6.189
ATOM 563 CG PHE 174 -8.071 -3.581 6.908
输出：
ATOM 307 N TRP 141 12.057 1.998 17.748
ATOM 308 CA TRP 141 12.410 3.177 16.968
ATOM 309 C TRP 141 13.005 4.292 17.817
ATOM 310 O TRP 141 13.888 5.006 17.356
ATOM 311 CB TRP 141 11.208 3.678 16.176
ATOM 312 CG TRP 141 10.729 2.678 15.166
ATOM 313 CD1 TRP 141 9.562 1.982 15.208
ATOM 314 CD2 TRP 141 11.412 2.252 13.976
ATOM 315 NE1 TRP 141 9.454 1.169 14.110
ATOM 316 CE2 TRP 141 10.579 1.308 13.340
ATOM 317 CE3 TRP 141 12.639 2.582 13.381
ATOM 318 CZ2 TRP 141 10.926 0.693 12.137
ATOM 319 CZ3 TRP 141 12.988 1.962 12.189
ATOM 320 CH2 TRP 141 12.133 1.032 11.580
ATOM 543 N HIS 172 -8.982 3.379 2.407
ATOM 544 CA HIS 172 -8.156 2.181 2.287
ATOM 545 C HIS 172 -8.737 0.986 3.063
ATOM 546 O HIS 172 -8.438 0.793 4.231
ATOM 547 CB HIS 172 -6.734 2.506 2.757
ATOM 548 CG HIS 172 -6.139 3.708 2.084
ATOM 549 ND1 HIS 172 -6.132 4.960 2.661
ATOM 550 CD2 HIS 172 -5.544 3.851 0.875
ATOM 551 CE1 HIS 172 -5.552 5.819 1.841
ATOM 552 NE2 HIS 172 -5.186 5.171 0.750
ATOM 553 N ALA 173 -9.550 0.170 2.395
ATOM 554 CA ALA 173 -10.284 -0.922 3.052
ATOM 555 C ALA 173 -9.432 -2.158 3.323
ATOM 556 O ALA 173 -8.509 -2.466 2.570
ATOM 557 CB ALA 173 -11.485 -1.309 2.200
基本上，只要在文件 2 的行中找到文件 1 中的字符；在输出中打印所有这些行。
有人能帮我解决这个问题吗？
答案1
grep可以匹配文件中的字符串：
grep -F -f file1 file2