#!/home/cyd7997/bin/ksh93.att
################################################################
#### 
#### The function "isBetween" will determine if the
#### modification date/time of a file is between two
#### specified dates.  The specified dates are expected to be
#### in the following format:  YYYY-MM-DD HH:MM:SS
#### 
#### The beginning date boundary and the ending date boundary
#### must be passed as the first and second arguments to the
#### function.  The name of the file being examined must be
#### passed as the third argument to the function.
#### 
################################################################
function isBetween {
  typeset TZ="GMT"
  typeset LC_ALL="C"
  export TZ LC_ALL
  typeset TARGFILE="${3}"
  typeset MIN=$( printf '%(%s)T' "${1}" ) # (GMT)
  typeset MAX=$( printf '%(%s)T' "${2}" ) # (GMT)
  typeset FTYPE
  typeset FNAME
  typeset X1 X2 X3 X4
  typeset D1 D2 D3

 ls -ld "${TARGFILE}" | IFS=$' \t\n' read -r FTYPE X1 X2 X3 X4 D1 D2 D3 FNAME
 DATESTAMP=$( printf '%(%s)T' "${D1} ${D2} ${D3}" )
 if [[ "${FTYPE}" = l* ]]
 then
   FNAME="${FNAME/ -> */}"
 fi
 if (( DATESTAMP >= MIN )) && (( DATESTAMP <= MAX ))
 then
   print -r -- ${MIN} ${MAX} ${DATESTAMP} "${FNAME}"
 fi
}
################################################################

ls -1 | while read -r -- F
do
  isBetween "2004-11-1 00:00:00" "2004-11-17 12:00:00" "${F}"
done