How do I compare two timestamps in unix?

If so, you can lexicographically compare your timestamp with the output of date -u -d ‘-10 minutes’ +%Y%m%d%H%M%S (the -u assumes that your database timestamp is in UTC, which I’d advise).

How do you compare unix times?

Make sure the unix timestamps have the same precision though. Sometimes it’s the number of seconds since epoch instead of milliseconds for precision and storage size reasons. If you have a timestamp in milliseconds to compare with your 1453946798, divide it by 1000 and floor it before comparing the timestamps.

How do I read a Unix timestamp?

To find the unix current timestamp use the %s option in the date command. The %s option calculates unix timestamp by finding the number of seconds between the current date and unix epoch.

How do I change the date format in unix shell script?

How to set the date in shell?

  1. To set the date in shell using the date command line on Unix and macOS, you do not need any options. By default the datetime format needs to be [[[mm]dd]HH]MM[[cc]yy][.
  2. To set the date in shell using the GNU version of the date command line on Linux, use the -s or –set option.

How do you compare time in awk?

You can do what you want with stat . stat -c%Y file will output the modification time of a file in seconds since Jan 1, 1970. date +%s will output the current time in seconds since Jan 1, 1970.

What is the format of Unix timestamp?

Unix epoch timestamps are supported in the following formats: 10 digit epoch time format surrounded by brackets (or followed by a comma). The digits must be at the very start of the message. For example, [1234567890] or [1234567890, other] followed by the rest of the message.

What format is this timestamp?

The default format of the timestamp contained in the string is yyyy-mm-dd hh:mm:ss.

How do I convert a date in Bash?

Bash Date Format MM-DD-YYYY To format date in MM-DD-YYYY format, use the command date +%m-%d-%Y . Please observe the upper and lower case letters : %m for month, %d for day and %Y for year. %M would mean minutes.