Export-Csv 添加不需要的 header 双引号
Export-Csv adding unwanted header double quotes
我有一个源 CSV 文件(没有 header,所有列都用逗号分隔),我正在尝试根据第一列中的值拆分成单独的 CSV 文件并使用该列值作为输出文件名。
输入文件:
S00000009,2016,M04 01/07/2016,0.00,0.00,0.00,0.00,0.00,0.00,750.00,0.00,0.00
S00000009,2016,M05 01/08/2016,0.00,0.00,0.00,0.00,0.00,0.00,600.00,0.00,0.00
S00000009,2016,M06 01/09/2016,0.00,0.00,0.00,0.00,0.00,0.00,600.00,0.00,0.00
S00000010,2015,W28 05/10/2015,2275.00,0.00,0.00,0.00,0.00,0.00,0.00,0.00,0.00
S00000010,2015,W41 04/01/2016,0.00,0.00,0.00,0.00,0.00,0.00,568.75,0.00,0.00
S00000010,2015,W42 11/01/2016,0.00,0.00,0.00,0.00,0.00,0.00,568.75,0.00,0.00
S00000012,2015,W10 01/06/2015,0.00,0.00,0.00,0.00,0.00,0.00,650.00,0.00,0.00
S00000012,2015,W11 08/06/2015,0.00,0.00,0.00,0.00,0.00,0.00,650.00,0.00,0.00
S00000012,2015,W12 15/06/2015,0.00,0.00,0.00,0.00,0.00,0.00,650.00,0.00,0.00
我的 PowerShell 脚本如下所示:
Import-Csv INPUT_FILE.csv -Header service_id,year,period,cash_exp,cash_inc,cash_def,act_exp,act_inc,act_def,comm_exp,comm_inc,comm_def |
Group-Object -Property "service_id" |
Foreach-Object {
$path = $_.Name + ".csv";
$_.group | Export-Csv -Path $path -NoTypeInformation
}
输出文件:
S00000009.csv
:
"service_id","year","period","cash_exp","cash_inc","cash_def","act_exp","act_inc","act_def","comm_exp","comm_inc","comm_def"
"S00000009","2016","M04 01/07/2016","0.00","0.00","0.00","0.00","0.00","0.00","750.00","0.00","0.00"
"S00000009","2016","M05 01/08/2016","0.00","0.00","0.00","0.00","0.00","0.00","600.00","0.00","0.00"
"S00000009","2016","M06 01/09/2016","0.00","0.00","0.00","0.00","0.00","0.00","600.00","0.00","0.00"
S00000010.csv
:
"service_id","year","period","cash_exp","cash_inc","cash_def","act_exp","act_inc","act_def","comm_exp","comm_inc","comm_def"
"S00000010","2015","W28 05/10/2015","2275.00","0.00","0.00","0.00","0.00","0.00","0.00","0.00","0.00"
"S00000010","2015","W41 04/01/2016","0.00","0.00","0.00","0.00","0.00","0.00","568.75","0.00","0.00"
"S00000010","2015","W42 11/01/2016","0.00","0.00","0.00","0.00","0.00","0.00","568.75","0.00","0.00"
它正在使用第 1 列 (service_id) 中的 header 值生成新文件。
有2个问题。
- 输出 CSV 文件包含我不需要的 header 行。
- 这些列用我不需要的双引号括起来。
首先,.csv 文件需要 headers 和引号作为 csv 文件结构。但是,如果您不想要它们,则可以继续使用文本文件或...
$temp = Import-Csv INPUT_FILE.csv -Header service_id,year,period,cash_exp,cash_inc,cash_def,act_exp,act_inc,act_def,comm_exp,comm_inc,comm_def | Group-Object -Property "service_id" |
Foreach-Object {
$path=$_.name+".csv"
$temp0 = $_.group | ConvertTo-Csv -NoTypeInformation | Select-Object -Skip 1
$temp1 = $temp0.replace("""","")
$temp1 > $path
}
但是这个输出不是 "real"csv 文件。
希望对您有所帮助。
对于您的特定情况,您可能会使用更简单的方法。将输入文件作为纯文本文件读取,通过拆分第一个字段对行进行分组,然后将组写入以组命名的输出文件:
Get-Content 'INPUT_FILE.csv' |
Group-Object { $_.Split(',')[0] } |
ForEach-Object { $_.Group | Set-Content ($_.Name + '.csv') }
另一个解决方案,
- 不使用命名的 headers,只使用数字(因为无论如何输出中不需要它们)
- 避免不必要的临时文件。
- 仅删除分隔双引号的字段。
Import-Csv INPUT_FILE.csv -Header (1..12) |
Group-Object -Property "1" | Foreach-Object {
($_.Group | ConvertTo-Csv -NoType | Select-Object -Skip 1).Trim('"') -replace '","',',' |
Set-Content -Path ("{0}.csv" -f $_.Name)
}
我有一个源 CSV 文件(没有 header,所有列都用逗号分隔),我正在尝试根据第一列中的值拆分成单独的 CSV 文件并使用该列值作为输出文件名。
输入文件:
S00000009,2016,M04 01/07/2016,0.00,0.00,0.00,0.00,0.00,0.00,750.00,0.00,0.00 S00000009,2016,M05 01/08/2016,0.00,0.00,0.00,0.00,0.00,0.00,600.00,0.00,0.00 S00000009,2016,M06 01/09/2016,0.00,0.00,0.00,0.00,0.00,0.00,600.00,0.00,0.00 S00000010,2015,W28 05/10/2015,2275.00,0.00,0.00,0.00,0.00,0.00,0.00,0.00,0.00 S00000010,2015,W41 04/01/2016,0.00,0.00,0.00,0.00,0.00,0.00,568.75,0.00,0.00 S00000010,2015,W42 11/01/2016,0.00,0.00,0.00,0.00,0.00,0.00,568.75,0.00,0.00 S00000012,2015,W10 01/06/2015,0.00,0.00,0.00,0.00,0.00,0.00,650.00,0.00,0.00 S00000012,2015,W11 08/06/2015,0.00,0.00,0.00,0.00,0.00,0.00,650.00,0.00,0.00 S00000012,2015,W12 15/06/2015,0.00,0.00,0.00,0.00,0.00,0.00,650.00,0.00,0.00
我的 PowerShell 脚本如下所示:
Import-Csv INPUT_FILE.csv -Header service_id,year,period,cash_exp,cash_inc,cash_def,act_exp,act_inc,act_def,comm_exp,comm_inc,comm_def |
Group-Object -Property "service_id" |
Foreach-Object {
$path = $_.Name + ".csv";
$_.group | Export-Csv -Path $path -NoTypeInformation
}
输出文件:
S00000009.csv
:
"service_id","year","period","cash_exp","cash_inc","cash_def","act_exp","act_inc","act_def","comm_exp","comm_inc","comm_def" "S00000009","2016","M04 01/07/2016","0.00","0.00","0.00","0.00","0.00","0.00","750.00","0.00","0.00" "S00000009","2016","M05 01/08/2016","0.00","0.00","0.00","0.00","0.00","0.00","600.00","0.00","0.00" "S00000009","2016","M06 01/09/2016","0.00","0.00","0.00","0.00","0.00","0.00","600.00","0.00","0.00"
S00000010.csv
:
"service_id","year","period","cash_exp","cash_inc","cash_def","act_exp","act_inc","act_def","comm_exp","comm_inc","comm_def" "S00000010","2015","W28 05/10/2015","2275.00","0.00","0.00","0.00","0.00","0.00","0.00","0.00","0.00" "S00000010","2015","W41 04/01/2016","0.00","0.00","0.00","0.00","0.00","0.00","568.75","0.00","0.00" "S00000010","2015","W42 11/01/2016","0.00","0.00","0.00","0.00","0.00","0.00","568.75","0.00","0.00"
它正在使用第 1 列 (service_id) 中的 header 值生成新文件。 有2个问题。
- 输出 CSV 文件包含我不需要的 header 行。
- 这些列用我不需要的双引号括起来。
首先,.csv 文件需要 headers 和引号作为 csv 文件结构。但是,如果您不想要它们,则可以继续使用文本文件或...
$temp = Import-Csv INPUT_FILE.csv -Header service_id,year,period,cash_exp,cash_inc,cash_def,act_exp,act_inc,act_def,comm_exp,comm_inc,comm_def | Group-Object -Property "service_id" |
Foreach-Object {
$path=$_.name+".csv"
$temp0 = $_.group | ConvertTo-Csv -NoTypeInformation | Select-Object -Skip 1
$temp1 = $temp0.replace("""","")
$temp1 > $path
}
但是这个输出不是 "real"csv 文件。 希望对您有所帮助。
对于您的特定情况,您可能会使用更简单的方法。将输入文件作为纯文本文件读取,通过拆分第一个字段对行进行分组,然后将组写入以组命名的输出文件:
Get-Content 'INPUT_FILE.csv' |
Group-Object { $_.Split(',')[0] } |
ForEach-Object { $_.Group | Set-Content ($_.Name + '.csv') }
另一个解决方案,
- 不使用命名的 headers,只使用数字(因为无论如何输出中不需要它们)
- 避免不必要的临时文件。
- 仅删除分隔双引号的字段。
Import-Csv INPUT_FILE.csv -Header (1..12) |
Group-Object -Property "1" | Foreach-Object {
($_.Group | ConvertTo-Csv -NoType | Select-Object -Skip 1).Trim('"') -replace '","',',' |
Set-Content -Path ("{0}.csv" -f $_.Name)
}