Shell script te mevcut zamanı öğrenmenin yolu aşağıdaki komutu çalıştırmaktır.
$ dateBize dil ve bölge ayarlarımıza göre bir değer dönecektir. Örnek
bash-3.00$ dateAma her zaman bu şekilde kullanamayacağımız açık. O zaman formatlamamız lazım ama nasıl? Aşağıda birkaç örnek hazırladım.
Thu Apr 28 13:42:27 EEST 2011
date +%Y-%m-%d
2011-04-28
date +%y-%m-%d
11-04-28
date +"%T"
13:48:28
Ayrıca date komutuna parametre olarak verilebilecek parametrelerin listesini de netten buldum, aşağıdaki parametreleri de kullanabilirsiniz
a literal %
%a
locale's abbreviated weekday name (e.g., Sun)
%Alocale'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)

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