mv | 易学教程

How to do a git diff on moved/renamed file?

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问题 I moved a file using git mv . Now I would like to do a diff on the new file to compare it with the old file (with the old, now non-existent name). How do I do this? 回答1: You need to use -M to let git autodetect the moved file when diffing. Using just git diff as knittl mentioned does not work for me. So simply: git diff -M should do it. The documentation for this switch is: -M[<n>], --find-renames[=<n>] Detect renames. If n is specified, it is a threshold on the similarity index (i.e. amount

How to rename with prefix/suffix?

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How do I do mv original.filename new.original.filename without retyping the original filename? I would imagine being able to do something like mv -p=new. original.filename or perhaps mv original.filename new.~ or whatever - but I can't see anything like this after looking at man mv / info mv pages. Of course, I could write a shell script to do this, but isn't there an existing command/flag for it? In Bash and zsh you can do this with Brace Expansion . This simply expands a list of items in braces. For example: # echo {vanilla,chocolate,strawberry}-ice-cream vanilla-ice-cream chocolate-ice

How do the UNIX commands mv and rm work with open files?

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问题 If I am reading a file stored on an NTFS filesystem, and I try to move/rename that file while it is still being read, I am prevented from doing so. If I try this on a UNIX filesystem such as EXT3, it succeeds, and the process doing the reading is unaffected. I can even rm the file and reading processes are unaffected. How does this work? Could somebody explain to me why this behaviour is supported under UNIX filesystems but not NTFS? I have a vague feeling it has to do with hard links and

How to move or copy files listed by 'find' command in unix?

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问题 I have a list of certain files that I see using the command below, but how can I copy those files listed into another folder, say ~/test? find . -mtime 1 -exec du -hc {} + 回答1: Adding to Eric Jablow's answer, here is a possible solution (it worked for me - linux mint 14 /nadia) find /path/to/search/ -type f -name "glob-to-find-files" | xargs cp -t /target/path/ You can refer to "How can I use xargs to copy files that have spaces and quotes in their names?" as well. 回答2: Actually, you can

How can I rewrite history so that all files, except the ones I already moved, are in a subdirectory?

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问题 I have a project under git . One day I moved all project files from current directory to foo/bar/ under the project. I did it using git mv . Then I added some more files and did some changes to already existing files. As a result, now when I look at the history of foo/bar/file.c , I can only see changes that I did after I moved the file. I tried to fix this in various ways ( filter-branch with subdirectory filter, etc), but nothing helped, so I am pretty stacked here. I\'ll appreciate any

Is it possible to move/rename files in Git and maintain their history?

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问题 I would like to rename/move a project subtree in Git moving it from /project/xyz to /components/xyz If I use a plain git mv project components , then all the commit history for the xyz project gets lost. Is there a way to move this such that the history is maintained? 回答1: Git detects renames rather than persisting the operation with the commit, so whether you use git mv or mv doesn't matter. The log command takes a --follow argument that continues history before a rename operation, i.e., it

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