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#!/bin/bash
set -e
SRC_DIR="./videos/frames"
OUT_DIR="./frames_upload_chunks"
CHUNK_SIZE=50 # 每包打 50 个文件夹
PREFIX="frames_chunk"
mkdir -p "$OUT_DIR"
all_folders=($(ls "$SRC_DIR" | sort))
total=${#all_folders[@]}
chunk=0
for ((i=0; i<total; i+=CHUNK_SIZE)); do
chunk_dir=$(printf "%s/%s_%03d" "$OUT_DIR" "$PREFIX" "$chunk")
mkdir -p "$chunk_dir"
for ((j=i; j<i+CHUNK_SIZE && j<total; j++)); do
name=${all_folders[$j]}
echo "Copying $name to $chunk_dir"
cp -r "$SRC_DIR/$name" "$chunk_dir/"
done
tar_path="$OUT_DIR/${PREFIX}_${chunk}.tar"
echo "Creating tar: $tar_path"
tar -cf "$tar_path" -C "$chunk_dir" .
rm -r "$chunk_dir"
echo "Chunk $chunk done."
((chunk++))
done
echo "✅ All chunks created in $OUT_DIR/"
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