System Misc Note - Vol5

sed

想要输出从 0x7fc0开始的若干行，使用sed -n '/7fc0/,$p

[woc@nixos]> xxd ./roms/Legend\ of\ Zelda,\ The\ -\ A\ Link\ to\ the\ Past\ \(Europe\).sfc | sed -n '/7fc0/,$p' | head -n 10
00007fc0: 5448 4520 4c45 4745 4e44 204f 4620 5a45  THE LEGEND OF ZE
00007fd0: 4c44 4120 2020 020a 0302 0100 468a b975  LDA   ......F..u
00007fe0: ffff ffff 2c82 ffff 2c82 c980 0080 d882  ....,...,.......
00007ff0: ffff ffff 2c82 2c82 2c82 2c82 0080 d882  ....,.,.,.,.....
00008000: d803 e802 f802 2803 3803 0004 1004 8803  ......(.8.......
00008010: 9003 2004 2a04 3404 3e04 4804 5204 5c04  .. .*.4.>.H.R.\.
00008020: 6604 7004 7a04 8404 8e04 9804 a204 ac04  f.p.z...........
00008030: b604 c004 ca04 d404 de04 e804 f204 fc04  ................
00008040: 0605 9805 0006 3c06 3c06 3c06 3c06 3c06  ......<.<.<.<.<.
00008050: 4206 4c06 5206 5806 5e06 6406 6a06 8806  B.L.R.X.^.d.j...

其中,用于分割位置，代表从/7fc0/到$(结尾)，p表示print. 也就是输出从0x7fc0出现，到结尾的所有行.