CDF_PARSE_EPOCH

Syntax | Return Value | Arguments | Keywords | Examples | Version History | See Also

The CDF_PARSE_EPOCH function parses a properly-formatted input string into a double-precision value properly formatted for use as a CDF_EPOCH variable.

Note
CDF_EPOCH variables may be unparsed into a variety of formats using the CDF_ENCODE_EPOCH function.

Syntax

Result = CDF_PARSE_EPOCH(Epoch_string)

Return Value

Returns the double-precision value of the input string properly formatted for use as a CDF_EPOCH variable.

Arguments

Epoch_string

A formatted string that will be parsed into a double precision value suitable to be used as a CDF_EPOCH value. The format of the date string is:

DD-Mon-YYYY hh:mm:ss.ccc 

where:

Date Element
Represents

DD

the day of the month (1-31)

Mon

the abbreviated month name: (Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, or Dec)

YYYY

the year (A.D.)

hh

the hour (0-23)

mm

the minute (0-59)

ss

the second (0-59)

ccc

the millisecond (0-999)

For more information about CDF_EPOCH values, see "Data Types" in the CDF User's Guide.

Keywords

None

Examples

test_string = '04-Dec-1995 20:19:18.176' 
test_epoch = CDF_PARSE_EPOCH(test_string) 
HELP, test_string, test_epoch 
PRINT, CDF_ENCODE_EPOCH(test_epoch, EPOCH=0) 

IDL Output

TEST_STRING     STRING    = '04-Dec-1995 20:19:18.176' 
TEST_EPOCH      DOUBLE    =    6.2985328e+13 
 
04-Dec-1995 20:19:18.176 

Version History

4.0.1b

Introduced

See Also

CDF_ENCODE_EPOCH, CDF_EPOCH