50 lines
1.2 KiB
Bash
Executable File
50 lines
1.2 KiB
Bash
Executable File
#!/bin/bash
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readonly USAGE="
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USAGE:
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$(basename "$0") [FILE]"
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function help_message() {
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echo "$USAGE"
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}
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# check if there is any parameter
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if [ "$#" -ne 1 ]; then
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help_message
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exit 0
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fi
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# check if the parameter is valid
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if ! test -f "$1"; then
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echo "File $1 does not exist."
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exit 0
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fi
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# variables
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readonly FILE_DIR="$(cd "$(dirname "$1")" && pwd)"
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readonly FILE="$(basename "$1")"
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OLD_DATE="$(date -r "$1" "+%Y-%m-%d_%H:%M:%S")"
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cp "${FILE_DIR}/${FILE}" "${FILE_DIR}/${FILE}.${OLD_DATE}"
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if ! test -f "${FILE_DIR}/${FILE}.tar"; then
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tar -C "${FILE_DIR}" -cf "${FILE_DIR}/${FILE}.tar" "${FILE}.${OLD_DATE}"
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echo "File ${FILE}.tar created."
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echo "${FILE}.${OLD_DATE}"
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else
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tar -C "${FILE_DIR}" -rf "${FILE_DIR}/${FILE}.tar" "${FILE}.${OLD_DATE}"
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echo "${FILE}.${OLD_DATE}"
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fi
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rm "${FILE_DIR}/${FILE}.${OLD_DATE}"
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while true; do
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sleep 5
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DATE="$(date -r "$1" "+%Y-%m-%d_%H:%M:%S")"
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if [ "$DATE" != "$OLD_DATE" ]; then
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echo "${FILE}.${DATE}"
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cp "${FILE_DIR}/${FILE}" "${FILE_DIR}/${FILE}.${DATE}"
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tar -C "${FILE_DIR}" -rf "${FILE_DIR}/${FILE}.tar" "${FILE}.${DATE}"
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rm "${FILE_DIR}/${FILE}.${DATE}"
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OLD_DATE=$DATE
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fi
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done
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