stat to get the size of a file and copy it
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Standard concise way to copy a file in Java?
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What is the best way to get the count/length/size of an iterator?
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Why Same File Shows Different Sizes in Different Operating Systems
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How to get line count of a large file cheaply in Python?
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Size of files in Windows OS. (It's KB or kB?)
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How can I find the size of all files located inside a folder?
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How to find how much disk space is left using Java?
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Getting image dimensions without reading the entire file
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How to view the folder size in Google Drive?
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Human-readable filesize with find's printf
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Files.walk(), calculate total size
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Getting around the FAT32 4GB file size limit
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java get file size efficiently
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How to get the size of a JavaScript object?
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How can a file be copied?
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How do I get a human-readable file size in bytes abbreviation using .NET?