Local Test Cases:
# there can be no spaces on either side of the equal sign, before the error has been out here
yesterday= ' date-d last-day +%y-%m-%d '
echo $yesterday
curday= ' Date +%y-%m-%d '
echo $curday
echo "Now time: ' Date ' +%y%m%d%T '"
Date of the Linux command I used-Display, modify system date TimeThis article link: http://codingstandards.iteye.com/blog/1157513 (reproduced please specify the source)Description of UseThe ATE command can be used to display and modify the system
Description of UseThe ATE command can be used to display and modify the system datetime, noting that it is not a time command.Common parametersFormat: DateDisplays the current date time.Format: Date mmddhhmmFormat: Date mmddhhmmyyyyFormat: Date
Get the date of the dayDate +%y-%m-%dOutput: 2011-07-28Assigns the current date to a date variabledate=$ (Date +%y%m%d)Sometimes we need to use dates before or after today, so we can use the-D parameter of dateGet Tomorrow's dateDate-d Next-day
Date--helpUsage: date [options] ... [+ format]Or: Date [-u|--utc|--universal] [MMDDHHMM[[CC]YY][.SS]]Displays the current time in the given format, or sets the system date.-D,--date= string displays the time described by the specified string, not
use the shell in Linux to get yesterday, tomorrow or many days before the date time -- A- , the: -:xxblogjava-Expert Area Original http://www.blogjava.net/xzclog/archive/2015/12/08/428555.htmlTheme Shell Original address:
The function of the date command is to display and set the system date and time.
The general format for this command is: date [options] Displays the time format (beginning with +, followed by formatting)
Date set time format
The meanings of the
Use the shell in Linux to get yesterday, tomorrow, or many days ago:In Linux, the man date-d parameter is relatively vague, the following examples further illustrate:#-D,--date=string display time described by STRING, not ' now '[Email protected]
Common parametersFormat: DateDisplays the current date time.Format: Date mmddhhmm # In short, it's the day of the month.Format: Date mmddhhmmyyyyFormat: Date MMDDHHMM.SSFormat: Date MMDDHHMMYYYY.SSSet the current date time, only the root user can
DateCommandThe function of the date command is to display and set the system date and time.The general format for this command is: date [options] Displays the time format (beginning with +, followed by formatting)Date set time formatThe meanings of
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