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Top Forums Shell Programming and Scripting Dd/mm/yy or dd/mm/yyyy to UNIX epoch Post 302772506 by Chubler_XL on Monday 25th of February 2013 11:23:16 PM
Old 02-26-2013
Perhaps if your function fails to validate date pass it on to gnudate anyway:
Code:
if INP_VALIDATION "$*"
then
    /usr/local/bin/date --date "$DATEINP" +%s
else
    /usr/local/bin/date --date "$*" +%s
fi

Above requires all USAGE calls in INP_VALIDATION to be changed to return 1

This will allow you to do:
Code:
$ getdate today -1day
1361765980
$ getdate next tuesday
1362405600
$ getdate 17 Dec 2012
1355666400


Last edited by Chubler_XL; 02-26-2013 at 12:30 AM..
 

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GETDATE(1)							   User Commands							GETDATE(1)

NAME
getdate - AME SYNOPSIS
[-dv][-n dec][-f format] [ra dec sys] itype2otype [date and/or time] DESCRIPTION
Convert date and time between various formats [-dv][-n dec][-f format] itype2otype @file itype: nfd=ISOFITS fd=FITS, dt=yyyy.mmdd, hr=hh:mm:ss, deg=dd:mm:ss jd=Julian Date, mjd=Modified Julian Date hjd=Heliocentric Julian Date, mhjd=Modified HJD ep=epoch, epj=Julian epoch, epb=Besselian epoch lt=local time, ut=UT, ts=seconds since 1950-01-01 now=current time, ang=fractional degrees otype: fd=FITS, dt=yyyy.mmdd, jd=Julian Date, mjd=Modified Julian Date hjd=Heliocentric Julian Date, mhjd=Modified HJD hr=hh:mm:ss, deg=dd:mm:ss, ang=fractional degrees ep=epoch, epj=Julian epoch, epb=Besselian epoch ts=seconds since 1950-01-01, tsu=Unix sec, tsi=IRAF sec gst=Greenwich Sidereal Time, lst=Local Sidereal Time @file: First one or two columns are in itype format ra dec sys: Need for Heliocentric conversions -a: Append date to input file, if there is one -d: Print date without time -e: Print output as ET/TDT/TT converting from UT -f: Format for output number (C printf) -h hours: Longitude in hours, west positive -l degrees: Longitude in degrees, west positive -n: Number of decimal places in sec, epoch, JD -t: Print time without date -v: Verbose getdate 3.8.4 June 2012 GETDATE(1)
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