将bash ' ls '输出转换为json数组

Is it possible to use a bash script to format the output of the ls to a json array? To be valid json, all names of the dirs and files need to be wrapped in double quotes, seperated by a comma, and the entire thing needs to be wrapped in square brackets. I.e. convert:

是否可以使用bash脚本将ls的输出格式化为json数组?要成为有效的json，所有dirs和文件的名称都需要用双引号括起来，用逗号分隔，整个文件需要用方括号括起来。即转换:

jeroen@jeroen-ubuntu:~/Desktop$ ls
foo.txt bar baz

来

[ "foo.txt", "bar", "baz" ]

edit: I strongly prefer something that works across all my Linux servers; hence rather not depend on python, but have a pure bash solution.

编辑:我非常喜欢能在我所有的Linux服务器上工作的东西;因此，与其依赖python，不如使用纯粹的bash解决方案。

11 个解决方案

#1

Use perl as the encoder; it's guaranteed to be non-buggy, is everywhere, and with pipes, it's still reasonably clean:

使用perl作为编码器;它保证不会有bug，到处都是，而且有了管道，它还是相当干净的:

ls | perl -e 'use JSON; @in=grep(s/\n$//, <>); print encode_json(\@in)."\n";'

#2

Yes, but the corner cases and Unicode handling will drive you up the wall. Better to delegate to a scripting language that supports it natively.

是的，但是转角案例和Unicode处理将会使您陷入困境。最好委托给本地支持它的脚本语言。

$ ls
あ  a  "a"  à  a b  私
$ python -c 'import os, json; print json.dumps(os.listdir("."))'
["\u00e0", "\"a\"", "\u79c1", "a b", "\u3042", "a"]

#3

Hello you can do that with sed and awk:

你好，你可以用sed和awk完成:

ls | awk ' BEGIN { ORS = ""; print "["; } { print "\/\@"$0"\/\@"; } END { print "]"; }' | sed "s^\"^\\\\\"^g;s^\/\@\/\@^\", \"^g;s^\/\@^\"^g"

EDIT: updated to solve the problem with " and spaces. I use /@ as replacement pattern for ", since / is not a valid character for filename.

编辑:更新以解决“和空格”的问题。我用/@作为替换模式，因为/不是文件名的有效字符。

#4

If you know that no filename contains newlines, use jq:

如果您知道没有文件名包含换行，请使用jq:

ls | jq -R -s -c 'split("\n")'

ls| jq -R -s -c 'split("\n")

Short explanation of the flags to jq:

向jq简要说明旗帜:

-R treats the input as string instead of JSON
-R将输入视为字符串，而不是JSON
-s joins all lines into an array
-s将所有行连接到一个数组中
-c creates a compact output
-c生成一个紧凑的输出

This requires version 1.4 or later of jq. Try this if it doesn't work for you:

这需要版本1.4或更高版本的jq。如果不适合你，试试这个:

ls | jq -R '[.]' | jq -s -c 'add'

| jq -R '[。' | jq -s -c 'add'

#5

Here's a bash line

这里有一个bash

echo '[' ; ls --format=commas|sed -e 's/^/\"/'|sed -e 's/,$/\",/'|sed -e 's/\([^,]\)$/\1\"\]/'|sed -e 's/, /\", \"/g'

Won't properly deal with ", \ or some commas in the name of the file. Also, if ls puts newlines between filenames, so will this.

不会正确处理“，\或文件名中的一些逗号。同样，如果ls在文件名之间设置了换行符，那么这个也会。

#6

Most of the Linux machine already has python. all you have to do is:

大多数Linux机器已经有了python。你所要做的就是:

python -c 'import os, json; print json.dumps(os.listdir("/yourdirectory"))'

This is for . directory , you can add any path.

这是。目录，您可以添加任何路径。

#7

Personnaly, I would code script that would run the command ls, send the output to a file of you choice while parsing the output to make format it to a valid JSON format.

就个人而言，我将编写运行命令ls的脚本，将输出发送到您选择的文件，同时解析输出，使其格式化为有效的JSON格式。

I'm sure that a simple Bash file will do the work.

我确信一个简单的Bash文件可以完成这项工作。

Bash ouput

Bash输出

#8

Can't you use a python script like this?

难道你不能使用这样的python脚本吗?

myOutput = subprocess.check_output["ls"]
output = ["+str(e)+" for e in myOutput]
return output

I didn't check if it works, but you can find the specification here

我没有检查它是否有效，但是你可以在这里找到规范。

#9

I was also searching for a way to output a linux folder / file tree to some JSON or XML file. Why not use this simple terminal command:

我还在寻找将linux文件夹/文件树输出到某个JSON或XML文件的方法。为什么不使用这个简单的终端命令:

$ tree --dirsfirst --noreport -n -X -i -s -D -f -o my.xml

$ tree——dirsfirst——noreport -n -X -i -s -D -f -o my.xml

so, just the linux tree command, and config your own parameters. Here -X gives XML output! For me, that's OK, and i guess there's some script to convert XML to JSON .. NOTE: i think https://unix.stackexchange.com/questions/90115/convert-output-of-tree-command-to-json-format/ covers the same question.

因此，只需使用linux tree命令，并配置自己的参数。这里-X给出XML输出!对我来说，这没问题，我想应该有一些脚本可以将XML转换成JSON。注意:我认为https://unix.stackexchange.com/questions/90115/convert-out -of-tree- to-json-format/涵盖了同样的问题。

#10

-1

Don't use bash, use a scripting language. Untested perl example:

不要使用bash，使用脚本语言。未经考验的perl示例:

use JSON;
my @ls_output = `ls`; ## probably better to use a perl module to do this, like DirHandle
print encode_json( @ls_output );

#11

-1

Should be pretty easy.

应该很容易。

$ cat ls2json.bash
#!/bin/bash
echo -n '['
for FILE in $(ls | sed -e 's/"/\\"/g')
do
echo -n \"${FILE}\",
done
echo -en \\b']'

then run:

然后运行:

$ ./ls2json.bash > json.out

but python would be even easier

但是python会更简单

import os
directory = '/some/dir'
ls = os.listdir(directory)
dirstring = str(ls)
print dirstring.replace("'",'"')

#1