从参数创建一个 bash 日期/时间变量
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时间:2020-09-18 05:28:59 来源:igfitidea点击:
Create a bash date/time variable from argument
提问by David
Given an argument being passed in like this:
给定一个像这样传入的参数:
~/Documents/checkout/check-out.sh potatoes '2013/05/22 13:43:00'
Using 1st or 2nd line, produces
使用第一行或第二行,产生
st=`date --date "" +%s` # mogul's suggestion
st=$(date --date="" +%s) # Kent's suggestion
st=$(date --date="2013/05/22 14:45:00" +%s)
date: illegal option -- -
usage: date [-jnu] [-d dst] [-r seconds] [-t west] [-v[+|-]val[ymwdHMS]] ...
[-f fmt date | [[[mm]dd]HH]MM[[cc]yy][.ss]] [+format]
回答by Gordon Davisson
OS X's version of datedoesn't understand the --dateoption; you need to use -fand give it the format of the input date:
OS X 的版本date不理解该--date选项;您需要使用-f并为其指定输入日期的格式:
st=$(date -j -f "%Y/%m/%d %T" "" +%s)
For example:
例如:
$ date -j -f "%Y/%m/%d %T" "2013/05/22 14:45:00" +%s
1369259100
回答by Adrian Frühwirth
回答by mogul
x='2013/05/22 13:43:00'
st=`date --date "$x" +%s`
seems to work here. or in your case it should be
似乎在这里工作。或者在你的情况下应该是
st=`date --date "" +%s`
回答by Kent
try this:
尝试这个:
st=$(date --date="" +%s)

