2016-01-25 08:23:10 -0500, Greg Wooledge: [...] > Just to be clear, the -d 'human readable stuff' option is specific to GNU > date, and won't work on other systems. Also, the 'human readable stuff' > part is NOT specified. There is no documentation for what is allowed > there, and what is not. You have to figure it out by trial and error, > and it may change between versions of GNU date. [...]
That's a bit exaggerated. There's https://www.gnu.org/software/coreutils/manual/html_node/Date-input-formats.html At least it's more documented (and less buggy in my experience) than what ksh93 accepts for its: printf '%(%F %T %z)T\n' 'date specification' -- Stephane
