2009年9月9日 · In bash (>=4.2) it is preferable to use printf's built-in date formatter (part of bash) rather than the external date (usually GNU date).

2009年7月7日 · The reason being is that date will take whatever date part you gave it and add the current time to the value provided. For example, if you execute the above command at …

$ date Wed Oct 31 15:35:26 PDT 2012 $ date +'%m' -d 'last month' 10 $ date +'%m' -d 'now' 10 $ $ date +'%m' -d 'next month' 12 I suppose the outputs should be 9,10,11 respectively. Don't …

2017年5月27日 · You managed to retrieve the date using a specified format -- but not the format you want. You managed to save the output to a variable -- but not the variable you want. How …

2015年12月31日 · Replace "2008-09-24" with whatever date you want and ELAPSED_DAYS will be set to the number of days between then and today. (Update: subtract one from the result to …

2016年12月31日 · Also note that GNU does not require the Linux kernel, nor does it always imply a Linux distribution. I've added the "gnu" tag and returned the "unix" tag while leaving "linux" in …

2013年11月24日 · The script or command should update the filename to a new date everytime you want to save the file into a specific folder but still keeping the previous files. So there …

2014年2月26日 · For older versions of BSD date (on old versions of macOS for example) which don't provide a -v option, you can get yesterdays date by subtracting 86400 seconds (seconds …

2022年10月27日 · Just to make it clearer that the --date is an option to the date command, and the double-quotes are being used to correctly represent the STRING passed to the --date …

2013年5月14日 · Otherwise on Linux, it's just date. And this function will help you time commands without having to create temporary files or anything: And this function will help you time …