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f40c3f2 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 | #!/bin/bash
set -e
if [ "$#" -ne 2 ]; then
echo "Usage: $0 [split|join] <zip_file_or_chunk>"
exit 1
fi
ACTION=$1
FILE=$2
if [ "$ACTION" = "split" ]; then
if [ ! -f "$FILE" ]; then
echo "File '$FILE' not found!"
exit 1
fi
SIZE=$(stat -c%s "$FILE" 2>/dev/null || stat -f%z "$FILE")
CHUNK_SIZE=$(( (SIZE + 3) / 4 ))
split -b "$CHUNK_SIZE" -d -a 2 "$FILE" "$FILE.part"
echo "Split done: $(ls "$FILE".part*)"
elif [ "$ACTION" = "join" ]; then
BASENAME=$(basename "$FILE")
DIRNAME=$(dirname "$FILE")
TARGET="${DIRNAME}/${BASENAME%%.part*}.zip"
cat "${FILE%%.part*}".part* > "$TARGET"
echo "Join done: $TARGET"
else
echo "Invalid action: $ACTION. Use 'split' or 'join'."
exit 1
fi
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