1. 只是要找文件时，find 很好用

2. 但是当要删文件时，如果 -exec rm -vrf {} \; ，

The problem with -exec rm -r {} is that find tries doesn't know that the command deletes the file, so it throws an error when it tries to recurse into the directory. 会存在删了父再访问子的问题。方法是 -depth 设定遍历顺序。

3. 如果用 -delete ，它会默认 rmdir, 提示非空不能删。

^ by chatGPT

install -Dm755 /dev/null $pkgdir/usr/bin/rubick2 echo "#!/bin/bash" >$pkgdir/usr/bin/rubick2 echo "electron13 /opt/rubick2/resources/app.asar" >>$pkgdir/usr/bin/rubick2 make these 3 line of code shorter.

 

but it's not exectuable

 

can it be in one command?

 

use install -Dm755

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Input redirection in find -exec option

Why doesn't this command work? find / -type f -name "*.c" -exec wc -c < \{} \; I'm trying to hide the filename while showing number of characters

https://stackoverflow.com/questions/48504508/input-redirection-in-find-exec-option

Delete all contents of the file using sed

I want to empty a file using sed command. I searched lot of forums and tutorial. There is no available to delete all contents of the file. How to delete all contents of the file using sed command.

https://stackoverflow.com/questions/22478253/delete-all-contents-of-the-file-using-sed

Append text to file using sed

How can I write text to a file using sed? More specifically I would it add null variables to my blank text file that was created using touch. The syntax of sed is very confusing to me.

https://stackoverflow.com/questions/22289522/append-text-to-file-using-sed