Linux Shell 脚本 - 将文件移动到文件夹中
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Shell script - move files into folder
提问by bioinformatician
Suppose a particular command generates few files (I dont know the name of these files). I want to move those files into a new folder. How to do it in shell script?
假设一个特定的命令生成几个文件（我不知道这些文件的名称）。我想将这些文件移动到一个新文件夹中。如何在shell脚本中做到这一点？
i can't use :
我不能使用：
#!/bin/bash
mkdir newfolder
command
mv * newfolder
as the cwd contains lot of other files as well.
因为 cwd 还包含许多其他文件。
采纳答案by Dave Webb
The first question is can you just run commandwith newfolderas the current directory to generate the files in the right place it begin with:
第一个问题是，您是否可以将command其newfolder作为当前目录运行以在其开头的正确位置生成文件：
mkdir newfolder
cd newfolder
command
Or if commandis not in the path:
或者如果command不在路径中：
mkdir newfolder
cd newfolder
../command
If you can't do this then you'll need to capture lists of before and after files and compare. An inelegant way of doing this would be as follows:
如果您不能这样做，那么您将需要捕获文件前后的列表并进行比较。这样做的一种不优雅的方式如下：
# Make sure before.txt is in the before list so it isn't in the list of new files
touch before.txt
# Capture the files before the command
ls -1 > before.txt
#?Run the command
command
# Capture the list of files after
ls -1 > after.txt
#?Use diff to compare the lists, only printing new entries
NEWFILES=`diff --old-line-format="" --unchanged-line-format="" --new-line-format="%l " before.txt after.txt`
# Remove our temporary files
rm before.txt after.txt
# Move the files to the new folder
mkdir newfolder
mv $NEWFILES newfolder
回答by carlspring
If you'd like to move them into a sub-folder:
如果您想将它们移动到子文件夹中：
mv `find . -type f -maxdepth 1` newfolder
Setting a -maxdepth 1will only find the files in the current directory and will not recurse. Passing in -type fmeans "find all files" ("d" would, respectively, mean "find all directories").
设置a-maxdepth 1只会查找当前目录下的文件，不会递归。传入-type f意味着“查找所有文件”（“d”分别表示“查找所有目录”）。
回答by matcheek
use pattern matching:
使用模式匹配：
$ ls *.jpg # List all JPEG files
$ ls ?.jpg # List JPEG files with 1 char names (eg a.jpg, 1.jpg)
$ rm [A-Z]*.jpg # Remove JPEG files that start with a capital letter
Example shamelessly taken from herewhere you can find some more useful information about it.
回答by Peter.O
Assuming that your command prints out names with one per line, this script will work.
假设您的命令打印出每行一个名称，此脚本将起作用。
my_command | xargs -I {} mv -t "$dest_dir" {}
