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Course Queries Syllabus Queries 2 years ago
Posted on 16 Aug 2022, this text provides information on Syllabus Queries related to Course Queries. Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.
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How to bulk delete files in amazon S3 bucket? I am trying to upload files to my S3 bucket, and once these files have been uploaded I want to bulk delete files with term/classID/ prefix, having name starts with syllabus- in S3 bucket with Java.
term/classID/
syllabus-
the best option is to try delete them at one operation since accessing S3 is time costly in my case.
This is what I am doing currently, ( path = "term/classID/", prefix="syllabus-") which is getting the files and then deleting those with "syllabus-" in their name.
path = "term/classID/", prefix="syllabus-"
"syllabus-"
@Override public void deleteFilesWithPrefix( String path, String prefix ) throws IOException { ObjectListing objectsList = amazonS3Client.listObjects( bucketName, path ); objectsList.getObjectSummaries().forEach( x -> deleteObjectsWithPrefix( x, prefix ) ); } private void deleteObjectsWithPrefix( S3ObjectSummary x, String prefix ) { if ( x.getKey().contains( prefix ) ){ s3Dao.deleteFile( bucketName, x.getKey() ); } }
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