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Re: Download Files with Date

From: Gisle Vanem <gvanem_at_broadpark.no>
Date: Thu, 25 Nov 2010 17:58:19 +0100

"Michele Mor" <m_mor_at_mail15.com> wrote:

> Hi.I'm trying to setup a DOS batch that would download multiple files every few days using curl (from ftp site).
> These files have the following name structure:abc_20101122062015_def.rar
> The part of the file name that change is the date-time.

Get yourself a copy of the date.exe program (part of Cygwin etc.).
 date.exe --help

Usage: date.exe [OPTION]... [+FORMAT]
  or: date.exe [-u|--utc|--universal] [MMDDhhmm[[CC]YY][.ss]]
Display the current time in the given FORMAT, or set the system date.

  -d, --date=STRING display time described by STRING, not `now'
  -f, --file=DATEFILE like --date once for each line of DATEFILE
  -r, --reference=FILE display the last modification time of FILE
  -R, --rfc-2822 output date and time in RFC 2822 format
      --rfc-3339=TIMESPEC output date and time in RFC 3339 format.
                            TIMESPEC=`date', `seconds', or `ns' for
                            date and time to the indicated precision.
  -s, --set=STRING set time described by STRING
  -u, --utc, --universal print or set Coordinated Universal Time
      --help display this help and exit
      --version output version information and exit

FORMAT controls the output. The only valid option for the second form
specifies Coordinated Universal Time. Interpreted sequences are:

  %% 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)

By default, date pads numeric fields with zeroes.
The following optional flags may follow `%':

  - (hyphen) do not pad the field
  _ (underscore) pad with spaces
  0 (zero) pad with zeros
  ^ use upper case if possible
  # use opposite case if possible

After any flags comes an optional field width, as a decimal number;
then an optional modifier, which is either
E to use the locale's alternate representations if available, or
O to use the locale's alternate numeric symbols if available.

Report bugs to <bug-coreutils_at_gnu.org>.

----------

--gv

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Received on 2010-11-25