shell Bash：删除以特定字符串开头的文件[已关闭]

laawzig2 于 2023-06-24 发布在 Shell

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我从一个存储帐户中获得一个blob列表，我想删除它们不以mf开头的文件，我有下一个命令：

blob=$(az storage blob list -c '$web' --account-name "$SA_NAME" --query "[].{name:name}" --output tsv)
prefix="mf"
for b in $blob
do
  if [[ "$blob" == "$prefix"* ]];
  then
    echo "file $b: is not deleted"
  else
    echo "file $b: is deleted"
  fi
  
done

我得到以下输出，其中删除了所有文件，包括以mf开头的文件：

file assets/fonts/Brevia-SemiboldItalic.ttf: is deleted
file assets/fonts/Brevia-SemiboldItalic.woff: is deleted
file assets/locales/es.json: is deleted
file assets/microapp-dev.json: is deleted
file assets/microapp-local.json: is deleted
file assets/microapp.json: is deleted
file favicon.ico: is deleted
file main.js: is deleted
file main.js.map: is deleted
file mf/angular-mfe/1.89801b3a85a55b24.js: is deleted
file mf/angular-mfe/181.66ff660a1257fc84.js: is deleted
file mf/angular-mfe/197.596dd9d1162203a2.js: is deleted
file mf/angular-mfe/340.c07e82cc376fa4c7.js: is deleted
file mf/angular-mfe/3rdpartylicenses.txt: is deleted
file mf/angular-mfe/471.deda3ccf16192f26.js: is deleted
file mf/angular-mfe/529.c3fdd0c3260c48da.js: is deleted
file mf/angular-mfe/650.48ddcd2f364e73da.js: is deleted
file mf/angular-mfe/797.8d193779021f0a0b.js: is deleted
file mf/angular-mfe/895.a91f2f017e309e9d.js: is deleted

shell

来源：https://stackoverflow.com/questions/76510922/bash-delete-files-starting-with-a-certain-string

1条答案

按热度按时间

jmo0nnb31#

我认为您需要更改if语句中的条件，将每个blob名称$b与前缀进行比较，而不是将整个blob名称列表$blob与前缀进行比较
比如这样：

blob=$(az storage blob list -c '$web' --account-name "$SA_NAME" --query "[].{name:name}" --output tsv)
prefix="mf"
for b in $blob
do
  if [[ "$b" == "$prefix"* ]];
  then
    echo "file $b: is not deleted"
  else
    echo "file $b: is deleted"
    # Delete the blob
    az storage blob delete -c '$web' --account-name "$SA_NAME" -n "$b"
  fi
done

结果示例：

file mf/file1.txt: is not deleted
file file2.txt: is deleted
file mf/file3.txt: is not deleted
file file4.txt: is deleted

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shell Bash：删除以特定字符串开头的文件[已关闭]

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