get_prev_date

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Purpose

determines the previous date from a given interval

Call

cfu get_prev_date <ystartdate><MMDDHH>

Result

YYYYMMDDHH

Meanings

ystartdate

has the form YYYYMMDDHH

MMDDHH

is the time increment.

itype_calendar

is 0 for 365 days (plus taking into account for leap years) a year and 1 for 360 days a year

Remark

This version only takes monthly intervals.
itype_calendar is not used in this version.

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