Bash Shell脚本不是';t在某些情况下删除空目录
我正在编写一个shell脚本来组织文件。到目前为止,它还不支持很多类型,只是足以测试它。工作流程如下:Bash Shell脚本不是';t在某些情况下删除空目录,bash,shell,unix,Bash,Shell,Unix,我正在编写一个shell脚本来组织文件。到目前为止,它还不支持很多类型,只是足以测试它。工作流程如下: 为一类项目创建文件夹 使用通配符移动所有项目 删除所有空文件夹 对其他类型的文件重复此操作 到目前为止,如果目录中没有存储任何内容,则目录删除部件可以工作。因此,如果我运行脚本,但没有任何内容被移动到文件夹中,那么在第一次运行时它将被删除。但是,如果创建文件夹并将项目移动到其中,如果手动删除这些项目(使文件夹为空)并再次运行脚本,则不会删除目录 有人知道这是什么原因吗?我并不声称对shell脚
#!/bin/bash
# Add support for other files and formats
# Figure out how to move all rest of files to MISC without moving the script
# Figure out why folders are deleted, unless they have an item stored at some point
# Figure out how to copy files from existing folders out and make them empty
# so they can be sorted, and they will be deleted in the end
########################################## AUDIO ##########################################
# Make folders for audio
mkdir Audio
mkdir Audio/AIFF
mkdir Audio/FLAC
mkdir Audio/MP3
mkdir Audio/WAVE
# Move all audio files to audio folder
mv *.aiff Audio/AIFF
mv *.flac Audio/FLAC
mv *.mp3 Audio/MP3
mv *.wav Audio/WAVE
# Delete any empty folders related to audio folder - delete parent folder last
# Because it will only ever be empty at the end of deleting all other subfolders
if [ "$(ls Audio/AIFF 2> /dev/null)" == "" ];
then
rmdir Audio/AIFF
fi
if [ "$(ls Audio/FLAC 2> /dev/null)" == "" ];
then
rmdir Audio/FLAC
fi
if [ "$(ls Audio/MP3 2> /dev/null)" == "" ];
then
rmdir Audio/MP3
fi
if [ "$(ls Audio/WAVE 2> /dev/null)" == "" ];
then
rmdir Audio/WAVE
fi
if [ "$(ls Audio 2> /dev/null)" == "" ];
then
rmdir Audio
fi
########################################## DOCUMENTS ##########################################
# Make folders for documents
mkdir Documents
mkdir Documents/DOC
mkdir Documents/DOCX
mkdir Documents/HTML
mkdir Documents/RTF
mkdir Documents/TXT
# Move all docs to documents folder
mv *.doc Documents/DOC
mv *.docx Documents/DOCX
mv *.html Documents/HTML
mv *.rtf Documents/RTF
mv *.txt Documents/TXT
# Delete any empty folders related to documents folder - delete parent folder last
# Because it will only ever be empty at the end of deleting all other subfolders
if [ "$(ls Documents/DOC 2> /dev/null)" == "" ];
then
rmdir Documents/DOC
fi
if [ "$(ls Documents/DOCX 2> /dev/null)" == "" ];
then
rmdir Documents/DOCX
fi
if [ "$(ls Documents/HTML 2> /dev/null)" == "" ];
then
rmdir Documents/HTML
fi
if [ "$(ls Documents/RTF 2> /dev/null)" == "" ];
then
rmdir Documents/RTF
fi
if [ "$(ls Documents/TXT 2> /dev/null)" == "" ];
then
rmdir Documents/TXT
fi
if [ "$(ls Documents 2> /dev/null)" == "" ];
then
rmdir Documents
fi
########################################## IMAGES ##########################################
# Make folders for images
mkdir Images
mkdir Images/GIF
mkdir Images/JPEG
mkdir Images/JPG
mkdir Images/PNG
# Move all Images to folder - Split up files into specific file extension folders?
mv *.gif Images/GIF
mv *.jpeg Images/JPEG
mv *.jpg Images/JPG
mv *.png Images/PNG
# Delete any empty folders related to images folder - delete parent folder last
# Because it will only ever be empty at the end of deleting all other subfolders
if [ "$(ls Images/GIF 2> /dev/null)" == "" ];
then
rmdir Images/GIF
fi
if [ "$(ls Images/JPEG 2> /dev/null)" == "" ];
then
rmdir Images/JPEG
fi
if [ "$(ls Images/JPG 2> /dev/null)" == "" ];
then
rmdir Images/JPG
fi
if [ "$(ls Images/PNG 2> /dev/null)" == "" ];
then
rmdir Images/PNG
fi
if [ "$(ls Images 2> /dev/null)" == "" ];
then
rmdir Images
fi
########################################## VIDEOS ##########################################
# Make folders for videos
mkdir Videos
mkdir Videos/AVI
mkdir Videos/FLV
mkdir Videos/MP4
mkdir Videos/MPEG
mkdir Videos/MOV
mkdir Videos/WMV
# Move all videos to folder - Split up files into specific file extension folders?
mv *.avi Videos/AVI
mv *.flv Videos/FLV
mv *.mp4 Videos/MP4
mv *.mpeg Videos/MPEG
mv *.mov Videos/MOV
mv *.wmv Videos/WMV
# Delete any empty folders related to images folder - delete parent folder last
# Because it will only ever be empty at the end of deleting all other subfolders
if [ "$(ls Videos/AVI 2> /dev/null)" == "" ];
then
rmdir Videos/AVI
fi
if [ "$(ls Videos/FLV 2> /dev/null)" == "" ];
then
rmdir Videos/FLV
fi
if [ "$(ls Videos/MP4 2> /dev/null)" == "" ];
then
rmdir Videos/MP4
fi
if [ "$(ls Videos/MPEG 2> /dev/null)" == "" ];
then
rmdir Videos/MPEG
fi
if [ "$(ls Videos/MOV 2> /dev/null)" == "" ];
then
rmdir Videos/MOV
fi
if [ "$(ls Videos/WMV 2> /dev/null)" == "" ];
then
rmdir Videos/WMV
fi
if [ "$(ls Videos 2> /dev/null)" == "" ];
then
rmdir Videos
fi
########################################## ZIP ##########################################
# Make folder for zip
mkdir Zip
# Move all zip files to folder
mv *.zip Zip
# Delete zip folder
if [ "$(ls Zip 2> /dev/null)" == "" ];
then
rmdir Zip
fi
########################################## MISCELLANEOUS ##########################################
# Make folder for Miscellaneous
mkdir Miscellaneous
# Delete Miscellaneous folder
if [ "$(ls Miscellaneous 2> /dev/null)" == "" ];
then
rmdir Miscellaneous
fi
# Move rest of items to Miscellaneous Folder
#mv *.* Miscellaneous
您可以取消保护
rmdir
的条件,因为它不会删除非空目录。然而,它将返回一个非零的退出代码,并生成一条标准错误消息
你能做的是:
rmdir "$directory_that_may_be_empty_or_not" 2>/dev/null || :
| |:
会“吃掉”来自rmdir
的任何非零返回代码(这可能重要,也可能不重要,取决于您如何处理或忽略错误)
换句话说,让您的脚本尝试删除所有目录,如果它们不是空的,则忽略失败(或者,如果由于任何其他原因(例如访问权限)导致删除失败)
如果这不能解决您的问题,那么您的目录可能不是空的。它们可能包含隐藏文件(以
句点开始),除非添加-a
选项,否则ls
不会列出这些文件。但不要在代码中添加-a
,因为它还指示ls
列出
(当前目录)和。
(父目录)特殊文件,并将导致当前代码从不尝试删除
另请注意,
|
是一个逻辑运算符,允许对两条语句进行“或”。Bash使用延迟求值,因此只有当左边的语句失败时才执行右边的语句(成功意味着返回代码=0,失败=任何其他代码):
是一个内置的shell,它不接受任何参数,除了提供零返回代码(如true
命令)外,什么也不做。在这种情况下,它保证整个构造的状态为0。您能给出一个如何重现该问题的示例吗?您认为这是测试目录空性的正确方法吗:如果[“$(ls Zip 2>/dev/null)”==”代码>?创建一个包含脚本支持的项目的文件夹(可以使用.doc文件)。运行脚本。手动查找已移动到新位置的文件。删除它。再次运行脚本。检查是否已删除空文件夹。mkdir-p Audio/{AIFF,FLAC,MP3,WAVE}| |退出1
将在一次操作中创建所有文件夹,如果出现任何故障,则退出。(如果某些文件夹已存在且没有错误,也可以运行该程序)。你的=
应该是=
。使用[-z“$(ls-A“$dirname”)”]
测试空目录。@rkosegi“我声称对shell脚本一无所知,甚至还掌握了检查空目录的语法。”