clock(3tcl) Tcl Built-In Commands clock(3tcl) ______________________________________________________________________________ NAME clock - SYNOPSIS clock option ?arg arg ...? ______________________________________________________________________________ DESCRIPTION (notion)option options () : clock clicks ?-milliseconds? | (high- | resolution)| CPU (counter) -milliseconds | | clock format clockValue ?-format string? ?-gmt boolean? clock secondsclock scan file atime mtime ctime -format % : %% % %a (Mon, Tue, etc.) %A (Monday, Tuesday, etc.) %b (Jan, Feb, etc.) %B %c %d (01 - 31) %H 24(00 - 23) %I 12 (00 - 12) %j (001 - 366) %m (01 - 12) %M (00 - 59) %p AM/PM %S (00 - 59) %U (00 - 52) %w (Sunday = 0) %W (00 - 52) %x %X %y (00 - 99) %Y ( 1990) %Z ( Unix Windows): %D %m/%d/%y %e (1 - 31) %h %n %r %I:%M:%S %p %R %H:%M %t tab %T %H:%M:%S -format "%a %b %d %H:%M:%S %Z %Y" -gmt boolean () Greenwich clock scan dateString ?-base clockVal? ?-gmt boolean? dateString ( clock seconds)/(mnemonic) -gmt -gmt Greenwich -gmt -base -base dateString (specification): time : hh?:mm?:ss?? ?meridian? ?zone? or hhmm ?meridian? ?zone?. (meridian), hh 24 date mm/dd?/yy?, monthname dd ?, yy?, dd monthname ?yy?, day, dd monthname yy, ?CC?yymmdd, ?CC?yy-mm-dd, dd- monthname-?CC?yy. 100| 00-68 2000-2068 69-99 | 1969-1999 38-70 | , ISO 8601 point-in-time ISO 8601 point-in-time CCyymmddThhmmss, T TCCyymmdd hhmmss, CCyymmddThh:mm:ss. relative time number unit year fortnight month week dayhour minute ( min) second ( sec) 3 weeks: tomorrow yesterdaytoday nowlastthis nextago /(base),(day- of- week) days weeks fortnightsmonths years clock scan "1 day" clock scan "24 hours" : % clock scan "1 day" -base [clock scan 1999-10-31] 941443200 % clock scan "24 hours" -base [clock scan 1999-10-31] 941439600 clock seconds "epoch"() epoch KEYWORDS clock, date, time [] [] 2001/06/21 Linux man : http://cmpp.linuxforum.net man man https://github.com/man-pages-zh/manpages- zh Tcl 8.3 clock(3tcl)