Nella shell si può specificare il formato della data nel seguente modo:
date +FORMAT
Ad esempio digitando:
$ date +"%m-%d-%y"
Si ottiene:
04-17-10
Se si vuole l'annoa 4 cifre:
$ date +"%m-%d-%y"
Si ottiene:
04-17-2010
Per ottenre l'ora corrente basta digitare:
$ date +"%T"
Si ottiene:
19:55:04
Per ottenre l'ora basata sulle 12 ore:
$ date +"%r"
Si ottiene:
07:56:05 PM
Per visualizzare l'ora nel formato HH:MM:
$ date +"%H-%M"
Si ottiene:
07:56
Lista completa delle opzioni per formattare il domando date:
- %%
- a literal %
- %a
- locale's abbreviated weekday name (e.g., Sun)
- %A
-
locale's full weekday name (e.g., Sunday)
- %b
- locale's abbreviated month name (e.g., Jan)
- %B
- locale's full month name (e.g., January)
- %c
- locale's date and time (e.g., Thu Mar 3 23:05:25 2005)
- %C
- century; like %Y, except omit last two digits (e.g., 21)
- %d
- day of month (e.g, 01)
- %D
-
date; same as %m/%d/%y
- %e
- day of month, space padded; same as %_d
- %F
- full date; same as %Y-%m-%d
- %g
- last two digits of year of ISO week number (see %G)
- %G
- year of ISO week number (see %V); normally useful only with %V
- %h
- same as %b
- %H
-
hour (00..23)
- %I
- hour (01..12)
- %j
- day of year (001..366)
- %k
- hour ( 0..23)
- %l
- hour ( 1..12)
- %m
- month (01..12)
- %M
-
minute (00..59)
- %n
- a newline
- %N
- nanoseconds (000000000..999999999)
- %p
- locale's equivalent of either AM or PM; blank if not known
- %P
- like %p, but lower case
- %r
- locale's 12-hour clock time (e.g., 11:11:04 PM)
- %R
-
24-hour hour and minute; same as %H:%M
- %s
- seconds since 1970-01-01 00:00:00 UTC
- %S
- second (00..60)
- %t
- a tab
- %T
- time; same as %H:%M:%S
- %u
- day of week (1..7); 1 is Monday
- %U
-
week number of year, with Sunday as first day of week (00..53)
- %V
- ISO week number, with Monday as first day of week (01..53)
- %w
- day of week (0..6); 0 is Sunday
- %W
- week number of year, with Monday as first day of week (00..53)
- %x
- locale's date representation (e.g., 12/31/99)
- %X
- locale's time representation (e.g., 23:13:48)
- %y
-
last two digits of year (00..99)
- %Y
- year
- %z
- +hhmm numeric timezone (e.g., -0400)
- %:z
- +hh:mm numeric timezone (e.g., -04:00)
- %::z
- +hh:mm:ss numeric time zone (e.g., -04:00:00)
- %:::z
- numeric time zone with : to necessary precision (e.g., -04, +05:30)
- %Z
- alphabetic time zone abbreviation (e.g., EDT)


































