How do I get the last day of the month in Unix?
y=$(date ‘+%Y’) # Get current year m=$(date ‘+%m’) # Get current month ((m–)) # Decrement month [[ ${m} == 0 ]] && ((y–)) # If month zero, decrement year [[ ${m} == 0 ]] && m=12 # If month zero, reset to 12 cal ${m} ${y} | awk ‘NF{A=$NF}END{print A}’ # Run cal, and print the last field of the last line with fields.
How do I find the previous date in Unix?
- Use perl: perl -e ‘@T=localtime(time-86400);printf(“d/d/d”,$T[4]+1,$T[3],$T[5]+1900)’
- Install GNU date (it’s in the sh_utils package if I remember correctly) date –date yesterday “+%a %d/%m/%Y” | read dt echo ${dt}
- Not sure if this works, but you might be able to use a negative timezone.
How do I get the last day of the month in Linux?
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 go back to a previous date in bash?
Bash solely on bash, you can also get yesterday’s time, via the printf builtin: %(datefmt)T causes printf to output the date-time string resulting from using datefmt as a format string for strftime(3). The corresponding argu‐ ment is an integer representing the number of seconds since the epoch.
How to get last day of previous month in Unix?
To find previous month follow this: date -d “-1 months” +%Y/%-m/%-d This will give you: 2018/2/22 while it is 2018/3/22. date -d “-1 days” +%Y/%-m/%-d
How to get previous year and previous month in Solaris?
Generally when the resulting month is shorter than the starting month then the number of overlap days is added. For example subtracting a month from 2008-03-31 will not result in 2008-02-31 as this is an impossible date. Instead you will get 2008-03-02. This appears to be consistent with other date manipulation tools.
How to get the last day of the last month?
I have the requirement to get the last date of the last month. For today the last months last day is 30 (April). note that, the timestamp was set to 00:00:00.