在修订范围内强制区分多个文件
我想在几个修订版中区分一堆行。就像，我想看到从变更列表 X 到变更列表 Y 的 ac、bc 和 cc。
p4 diff2 ac@X ac@Y （其中 X 和 Y 是变更列表编号）似乎有效，但只是有时。具体来说，如果 X 处不存在 ac，我不会得到差异。无论如何，我希望能够获得差异（即使它将是仅添加的整个文件）。
为了获得更大的图片：我有几个文件，跨越多个提交，我想合并这些提交中这些文件的差异，基本上是说“这是这组文件在这组文件中更改的差异变更列表”
I'd like to diff a bunch of lines across several revisions. Like, I'd like to see a.c, b.c, and c.c from changelist X to changelist Y.
p4 diff2 a.c@X a.c@Y (where X & Y are changelist numbers) seems to work, but only sometimes. Specifically, if a.c is non-existent at X, I don't get a diff. I'd like to be able to get the diff (even though it'll be the whole file with only adds) anyways.
To get the bigger picture: I have several files, across several commits, and I'd like to merge the diffs of these files in these commits, to basically say "this is a diff of what changed in this set of files during this set of changelists"
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如果我正确理解你的问题，
p4 diff -f ...应该是你的朋友。来自 p4 帮助：
（请参阅命令行上的
p4 help diff）。If I understand your problem right,
p4 diff -f ...should be your friend.From the p4-help:
(see
p4 help diffon the command line).