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timestamp-cli-tools

Bash scripts to convert time between timestamp and various formats of datetime for Unix-like OS.

Usage

  1. Check help messages

    ./timestamp2date.sh -h
# Usage: ./timestamp2date.sh <input>
# <input>   A integer representing UNIX timestamp in unit of second or millisecond

./date2timestamp.sh -h
# Usage: ./date2timestamp.sh <input>
# <input>   A string representing date and time in the following formats: yyyymmdd, yyyymmddhhmmss, or yyyy-mm-dd hh:mm:ss

  2. Some examples

    • timestamp2date.sh

      # convert a timestamp in unit of second to datetime
./timestamp2date.sh 1706190900
# 2024-01-25 21:55:00

# convert a timestamp in unit of millisecond to datetime, please be noticed that due to the limitations in os command `date` the millisecond part will be ignored
./timestamp2date.sh 1706190900001
# 2024-01-25 21:55:00

    • date2timestamp.sh

      # get the current timestamp
./date2timestamp.sh
# UNIX timestamp: 1706190900

# convert a datetime string to timestamp
./date2timestamp.sh 20240125
# UNIX timestamp: 1706112000
./date2timestamp.sh "2024-01-25 21:55:00"
# UNIX timestamp: 1706190900
./date2timestamp.sh 20240125215500
# UNIX timestamp: 1706190900

  3. Move them to /usr/local/bin so you can reach them anywhere on the OS

    sudo mv ./timestamp2date.sh /usr/local/bin/timestamp2date
sudo mv ./date2timestamp.sh /usr/local/bin/date2timestamp

# now you can call them like
timestamp2date -h
date2timestamp -h