Question

我想知道在Powershell中将某个字符串解析为哈希的最简洁方法是什么。

这是我到目前为止所做的：

PS D:\Videos> $x
Track ID 1: audio (AC3/EAC3) [number:2 uid:1938239150 codec_id:A_AC3 codec_private_length:0 language:heb default_track:1 forced_track:0 enabled_track:1 default_duration:32000000 audio_sampling_frequency:48000 audio_channels:6]

PS D:\Videos> $hash = @{}

PS D:\Videos> $x -match "^.*\[(.*)\]" | ForEach-Object { $Matches[1] -split ' ' |% { $tmp = $_ -split ':'; $hash[$tmp[0]] = $tmp[1] } }

PS D:\Videos> $hash

Name                           Value                                                                                                                                                         
----                           -----                                                                                                                                                         
audio_sampling_frequency       48000                                                                                                                                                         
codec_private_length           0                                                                                                                                                             
audio_channels                 6                                                                                                                                                             
number                         2                                                                                                                                                             
default_duration               32000000                                                                                                                                                      
forced_track                   0                                                                                                                                                             
enabled_track                  1                                                                                                                                                             
language                       heb                                                                                                                                                           
codec_id                       A_AC3                                                                                                                                                         
uid                            1938239150                                                                                                                                                    
default_track                  1                                                                                                                                                             



PS D:\Videos>

它完成了这项工作，但在我看来应该有一个更短的方式。

我说错了吗？

Answer 1

对于这种特殊情况，这段代码有点短：

$hash = @{}
foreach($m in [regex]::Matches($x, '(\w+):(\w+)')) {
    $hash[$m.Groups[1].Value] = $m.Groups[2].Value
}
$hash

Answer 2

另一种可能性：

$string = 'Track ID 1: audio (AC3/EAC3) [number:2 uid:1938239150 codec_id:A_AC3 codec_private_length:0 language:heb default_track:1 forced_track:0 enabled_track:1 default_duration:32000000 audio_sampling_frequency:48000 audio_channels:6]'
$Hash = ConvertFrom-StringData ($string -replace '^.+\[(.+)\]','$1').replace(':','=').replace(' ',"`n")
$Hash



Name                           Value                                                                          
----                           -----                                                                          
enabled_track                  1                                                                              
codec_id                       A_AC3                                                                          
default_duration               32000000                                                                       
audio_channels                 6                                                                              
uid                            1938239150                                                                     
language                       heb                                                                            
default_track                  1                                                                              
audio_sampling_frequency       48000                                                                          
forced_track                   0                                                                              
number                         2                                                                              
codec_private_length           0

Answer 3

$t="Track ID 1: audio (AC3/EAC3) [number:2 uid:1938239150 codec_id:A_AC3 codec_private_length:0 language:heb default_track:1 forced_track:0 enabled_track:1 default_duration:32000000 audio_sampling_frequency:48000 audio_channels:6]"

$h=@{}
foreach($record in $t.Split('[]')[1].Split(' ')) {
    $key, $value = $record.Split(':')
    $h.$key=$value
}
$h

在PowerShell中将字符串解析为哈希的最简洁方法

3 个答案: