How do I get previous month Shell?
How to get first date of last month and last date of last month in Linux or Bash – Quora. First day of month is always the first, so it is easy: $ date -d “month ago” “+%Y/%m/01”
How do I get the last date of the month in Unix?
For example:
- Start with the current date ( date ) -> 2017-03-06.
- Set that date to the 1st day of its month ( -v1d ) -> 2017-03-01.
- Subtract one day from that ( -v-1d) -> 2017-02-28.
- Format the date ( +%d%b%Y ) -> 28Feb2017.
How do I get current month in Linux?
By default, the cal command shows the current month calendar as output. cal command is a calendar command in Linux which is used to see the calendar of a specific month or a whole year. The rectangular bracket means it is optional, so if used without an option, it will display a calendar of the current month and year.
How do I display AM or PM in lower case in Unix?
Options Related to Formatting
- %p: Prints the AM or PM indicator in uppercase.
- %P: Prints the am or pm indicator in lowercase. Note the quirk with these two options. A lowercase p gives uppercase output, an uppercase P gives lowercase output.
- %t: Prints a tab.
- %n: Prints a new line.
How do I find the first day of the previous month in Unix?
To get the first day, of the previous month, replace $t[3]=0 with $t[3]=1; $t[4]– which for me works even if run in January but again, I’m not sure how portable it is.
What is the short date today?
Today’s Date
| Today’s Date in Other Date Formats | |
|---|---|
| Unix Epoch: | 1630972415 |
| RFC 2822: | Mon, 06 Sep 2021 16:53:35 -0700 |
| DD-MM-YYYY: | 06-09-2021 |
| MM-DD-YYYY: | 09-06-2021 |
How do I get the current day in Unix?
Sample shell script to display the current date and time
#!/bin/bash now=”$(date)” printf “Current date and time %sn” “$now” now=”$(date +’%d/%m/%Y’)” printf “Current date in dd/mm/yyyy format %sn” “$now” echo “Starting backup at $now, please wait…” # command to backup scripts goes here # …
How do you display current day as full weekday in Unix?
From the date command man page:
- %a – Displays the locale’s abbreviated weekday name.
- %A – Displays the locale’s full weekday name.
- %b – Displays the locale’s abbreviated month name.
- %B – Displays the locale’s full month name.
- %c – Displays the locale’s appropriate date and time representation (default).
How do I display previous current and next month in Unix?
How to display previous, current and next month in one go? The cal/ncal commands also display the previous, current and next month surrounding today. For this, you need to pass the -3 command-line option.
Which command will display the year from date command in Unix?
Linux date Command Format Options
These are the most common formatting characters for the date command: %D – Display date as mm/dd/yy. %Y – Year (e.g., 2020)