Functions to retrieve, set or remove formats used for parsing dates.

Source code

Description

The time and date parsing and conversion relies on trying a (given and fixed) number of timeformats. The format used is the one employed by the underlying implementation of the Boost date_time library.

Usage

getFormats()

addFormats(fmt)

removeFormats(fmt)

Arguments

fmt	A vector of character values in the form understood by Boost date_time

Value

Nothing in the case of addFormats; a character vector of formats in the case of getFormats

Author(s)

Dirk Eddelbuettel

See Also

anytime-package and references therein

Examples

library("anytime")

  getFormats()

 [1] "%Y-%m-%d %H:%M:%S%f"        "%Y-%m-%e %H:%M:%S%f"       
 [3] "%Y-%m-%d %H%M%S%f"          "%Y-%m-%e %H%M%S%f"         
 [5] "%Y/%m/%d %H:%M:%S%f"        "%Y/%m/%e %H:%M:%S%f"       
 [7] "%Y%m%d %H%M%S%f"            "%Y%m%d %H:%M:%S%f"         
 [9] "%m/%d/%Y %H:%M:%S%f"        "%m/%e/%Y %H:%M:%S%f"       
[11] "%m-%d-%Y %H:%M:%S%f"        "%m-%e-%Y %H:%M:%S%f"       
[13] "%Y.%m.%d %H:%M:%S%f"        "%Y.%m.%e %H:%M:%S%f"       
[15] "%Y.%m.%d %H%M%S%f"          "%Y.%m.%e %H%M%S%f"         
[17] "%Y-%b-%d %H:%M:%S%f"        "%Y-%b-%e %H:%M:%S%f"       
[19] "%Y/%b/%d %H:%M:%S%f"        "%Y/%b/%e %H:%M:%S%f"       
[21] "%Y%b%d %H%M%S%F"            "%Y%b%e %H%M%S%F"           
[23] "%Y%b%d %H:%M:%S%F"          "%Y%b%e %H:%M:%S%F"         
[25] "%b/%d/%Y %H:%M:%S%f"        "%b/%e/%Y %H:%M:%S%f"       
[27] "%b-%d-%Y %H:%M:%S%f"        "%b-%e-%Y %H:%M:%S%f"       
[29] "%d.%b.%Y %H:%M:%S%f"        "%e.%b.%Y %H:%M:%S%f"       
[31] "%d%b%Y %H%M%S%f"            "%e%b%Y %H%M%S%f"           
[33] "%d%b%Y %H:%M:%S%f"          "%e%b%Y %H:%M:%S%f"         
[35] "%d-%b-%Y %H%M%S%f"          "%e-%b-%Y %H%M%S%f"         
[37] "%d-%b-%Y %H:%M:%S%f"        "%d-%b-%Y %H:%M:%S%f"       
[39] "%Y-%B-%d %H:%M:%S%f"        "%Y-%B-%e %H:%M:%S%f"       
[41] "%Y/%B/%d %H:%M:%S%f"        "%Y/%B/%e %H:%M:%S%f"       
[43] "%Y%B%d %H%M%S%f"            "%Y%B%e %H%M%S%f"           
[45] "%Y%B%d %H:%M:%S%f"          "%Y%B%e %H:%M:%S%f"         
[47] "%B/%d/%Y %H:%M:%S%f"        "%B/%e/%Y %H:%M:%S%f"       
[49] "%B-%d-%Y %H:%M:%S%f"        "%B-%e-%Y %H:%M:%S%f"       
[51] "%d.%B.%Y %H:%M:%S%f"        "%e.%B.%Y %H:%M:%S%f"       
[53] "%a %b %d %H:%M:%S%F %Y"     "%a %b %e %H:%M:%S%F %Y"    
[55] "%a %d %b %Y %H:%M:%S%F"     "%a %e %b %Y %H:%M:%S%F"    
[57] "%Y-%m-%d %H:%M:%S%Z"        "%Y-%m-%e %H:%M:%S%Z"       
[59] "%a %b %d %H:%M:%S%F xxx %Y" "%a %b %e %H:%M:%S%F xxx %Y"
[61] "%Y-%m-%d"                   "%Y-%m-%e"                  
[63] "%Y%m%d"                     "%Y.%m.%d"                  
[65] "%Y.%m.%e"                   "%m/%d/%Y"                  
[67] "%m/%e/%Y"                   "%m-%d-%Y"                  
[69] "%m-%e-%Y"                   "%Y-%b-%d"                  
[71] "%Y-%b-%e"                   "%Y%b%d"                    
[73] "%Y%b%e"                     "%b/%d/%Y"                  
[75] "%b/%e/%Y"                   "%b-%d-%Y"                  
[77] "%b-%e-%Y"                   "%d%b%Y"                    
[79] "%e%b%Y"                     "%d-%b-%Y"                  
[81] "%e-%b-%Y"                   "%Y-%B-%d"                  
[83] "%Y-%B-%e"                   "%Y%B%d"                    
[85] "%Y%B%e"                     "%B/%d/%Y"                  
[87] "%B/%e/%Y"                   "%B-%d-%Y"                  
[89] "%B-%e-%Y"

  addFormats(c("%d %b %y",      # two-digit date [not recommended], textual month
               "%a %b %d %Y"))  # weekday weeknumber four-digit year
  removeFormats("%d %b %y")     # remove first