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Top Forums Shell Programming and Scripting Need to convert an epoch date to MMDDYYHHmm format Post 302435902 by LetsGoPens on Thursday 8th of July 2010 01:24:47 PM
Old 07-08-2010
I am not experiencing the problem with Perl numbering the months correctly. I need to find the date and time 10 minutes ahead, so I just modified the code you posted to:
Code:
perl -w  -e '@t=localtime (time +600); printf "%.2d%.2d%.2d%.2d%.2d", $t[4] +1,$t[3],$t[5] -100,$t[2],$t[1];'

At the time of 13:21, I received output of 0708101331

This appears to be correct . Do you see any potential problems doing it this way?

Good catch on POSIX. What I meant to say was that strftime for awk was not installed. strftime was used in another possible solution I found. Sorry for the confusion.
 

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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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