Parsing a column of text file - best practices

 
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# 15  
Old 05-22-2017
Hi Don -

Sorry for the confusion.

The shell I am using is bash.

I've updated how i calculated calendar quarter with your code:

Code:
_QUARTER=$(((month+2)/3))

As far as examples, here they are.

For Q1 of 2017:
FirstQtrWeek:12/31/16
LastQtrWeek: 03/25/17

For Q2 of 2017:
FirstQtrWeek:04/01/17
LastQtrWeek: 06/24/17

For Q3 of 2017:
FirstQtrWeek:07/01/17
LastQtrWeek: 09/23/17

For Q4 of 2017:
FirstQtrWeek:09/30/17
LastQtrWeek: 12/23/17

I'm sorry for the run around!

---------- Post updated at 05:23 PM ---------- Previous update was at 04:11 AM ----------

I've found out how to get the last Saturday of the quarter, however still having trouble getting the first Saturday:

Code:
GetFirstLastWeek () { 

DAY_OF_WEEK=6 # 1=Monday, ..., 7=Sunday
THE_YEAR=${_YEAR}
THE_MONTH="$1"

RESULT_DAY=0

YEAR_MONTH_STR=${THE_YEAR}"-"${THE_MONTH}  # Example value: "2017-06"

for DAYNO in 22 23 24 25 26 27 28 29 30 31
do
  DATE_TO_CHECK=${YEAR_MONTH_STR}"-"${DAYNO}
  DATE_RESULT=$(date --date=$DATE_TO_CHECK '+%u')
  if [ $? -eq 0 ]
  then
    if [ $DATE_RESULT -eq $DAY_OF_WEEK ]
    then
      RESULT_DAY=$DAYNO
    fi
  fi
done

RESULT_DATE_COMPLETE=${YEAR_MONTH_STR}"-"${RESULT_DAY}

echo $(date --date=$RESULT_DATE_COMPLETE +FirstQtrWeek,%m/%d/%Y -d "4 weeks ago")
echo $(date --date=$RESULT_DATE_COMPLETE +LastQtrWeek,%m/%d/%Y)

} > ${_SUBVARPATH}${_YEAR}_${_MONTH}${_DAY}/Subvar_List.txt

4 weeks ago from the LastQtrWeek doesn't work, obviously.
# 16  
Old 05-22-2017
Why the scenic route? With GNU date, for the last Sunday in June (i.e. second quarter), try
Code:
date -d"2017-07-01 - $(date -d"2017-07-01" +%udays)"
So 25. Jun 00:00:00 CEST 2017

, and for the first Sat, try
Code:
date -d"2017-04-01 + $((6 - $(date -d2017-04-01 +%u)%7 )) days"
Sa 1. Apr 00:00:00 CEST 2017

# 17  
Old 05-23-2017
Thank you, Rudi! I can't seem to get first saturday to work and I do have some concerns.

Also there is an exception which would fall on situation like September 30th, 2017. Even though it is still in 3rd uarter, it's technically the first quarter week of the 4th quarter and thus, the first Saturday. Therefore, October 7th would be the 2nd.

For instance, the first Saturday of the 4th quarter is still in September. (September 30th).

---------- Post updated at 12:53 PM ---------- Previous update was at 11:03 AM ----------

So the condition would be, unless that Saturday is the 1st, use the prior Saturday. As that would mean the first quarter week happens sometime between last sat and current Saturday - therefore use the previous sat.
# 18  
Old 05-23-2017
Quote:
Originally Posted by SIMMS7400
Thank you, Rudi! I can't seem to get first saturday to work and I do have some concerns.

Also there is an exception which would fall on situation like September 30th, 2017. Even though it is still in 3rd uarter, it's technically the first quarter week of the 4th quarter and thus, the first Saturday. Therefore, October 7th would be the 2nd.

For instance, the first Saturday of the 4th quarter is still in September. (September 30th).

---------- Post updated at 12:53 PM ---------- Previous update was at 11:03 AM ----------

So the condition would be, unless that Saturday is the 1st, use the prior Saturday. As that would mean the first quarter week happens sometime between last sat and current Saturday - therefore use the previous sat.
OK. So we're finally coming close to a definition of how to determine the 1st Saturday in a calendar quarter and, hopefully, the last Saturday in a calendar quarter.

You seem to have now confirmed that the 1st Saturday in a calendar quarter is the 1st Saturday before the 2nd day of the first full month of that quarter (as I asked in post #12 in this thread. And I presume (although you have never defined it) that the last Saturday of a calendar quarter is the Saturday before the 1st Saturday of the next calendar quarter. For CY 2017, this would mean that:
Code:
          Last Saturday of   1st Saturday of    Last Saturday of
Quarter   Previous Quarter   Current Quarter    Current Quarter
=======   ================   ===============    ================
1Q2017       12/24/2016        12/31/2016          03/25/2017
2Q2017       03/25/2017        04/01/2017          06/24/2017
3Q2017       06/24/2017        07/01/2017          09/23/2017
4Q2017       09/23/2017        09/30/2017          12/23/2017

Are all of these correct?
# 19  
Old 05-23-2017
Quote:
Originally Posted by Don Cragun
OK. So we're finally coming close to a definition of how to determine the 1st Saturday in a calendar quarter and, hopefully, the last Saturday in a calendar quarter.

You seem to have now confirmed that the 1st Saturday in a calendar quarter is the 1st Saturday before the 2nd day of the first full month of that quarter (as I asked in post #12 in this thread. And I presume (although you have never defined it) that the last Saturday of a calendar quarter is the Saturday before the 1st Saturday of the next calendar quarter. For CY 2017, this would mean that:
Code:
          Last Saturday of   1st Saturday of    Last Saturday of
Quarter   Previous Quarter   Current Quarter    Current Quarter
=======   ================   ===============    ================
1Q2017       12/24/2016        12/31/2016          03/25/2017
2Q2017       03/25/2017        04/01/2017          06/24/2017
3Q2017       06/24/2017        07/01/2017          09/23/2017
4Q2017       09/23/2017        09/30/2017          12/23/2017

Are all of these correct?
Hi Don -

Thank you for the follow up. Yes those are correct- Thank you!!
# 20  
Old 05-29-2017
Here is my script and its working as expected.

The way in which I derived the FirstQtrWeek and LastQrtWeek could probably be done cleaner, but it works.

Code:
#!/bin/bash
#::--:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
#::-- Script Name: CS_Subvar_Advancement.sh                                   --::
#::                                                                           --::
#::-- Description: Allows functionality to advance & update Essbase Subvars   --::
#::                                                                              --::
#::                                                                              --::
#::--  Calls:      _env.sh                                                    --::
#::--  Called By:  N/A                                                        --::
#::                                                                              --::
#::-- Parameters:  Not Applicable                                               --::
#::                                                                              --::
#::-- Author:      Name (Company)                                          --::
#::-- Date:                                                                       --::
#::                                                                              --::
#::--:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

source /home/oracle/Hyperion_Batch/Scripts/Batch/_env.sh

#::-- Set Log & Error subdirectories pertaining to the specific process --::#
_PLOGPATH=Subvar_Logs/
_PERRORPATH=Subvar_Errors/

#::-- Establish STDOUT and STDERROR repositories --::
_INTRAPATH=${_MAINPATH}${_LOGPATH}${_PLOGPATH}${_YEAR}_${_MONTH}${_DAY}
_ERRORINTRAPATH=${_MAINPATH}${_ERRORPATH}${_PERRORPATH}${_YEAR}_${_MONTH}${_DAY}
    
mkdir -p ${_INTRAPATH}
mkdir -p ${_ERRORINTRAPATH}

#::-- Prepare File Name Format --::#
#::   _SN          = Script Name with extension
#::   ${_SN%%.sh*} = Script name without extension
#::   _FN          = File Name

_SN=${0##*/}
_FN=${_DATESTAMP}_${_TIME}_${_SN%%.sh*}

#::-- Establish STDOUT and STDERROR files --::#
_LOGFILE=${_INTRAPATH}/${_FN}.log
_ERRORFILE=${_ERRORINTRAPATH}/${_FN}.err
_MAXLLOGFILE=${_INTRAPATH}/${_FN}_MAXL.log

#::-- Direct STDOUT and STDERROR to repositories --::# 
exec 2>${_ERRORFILE} > ${_LOGFILE}

#::-- If empty, delete YYYY_MMDD error file subdirectory --::
trap "[ -s ${_ERRORFILE} ] || rm -f ${_ERRORFILE} && rmdir ${_ERRORINTRAPATH}" EXIT

#::-- Begin Script Processing --::#

PrepSubvars () {

mkdir -p ${_SUBVARPATH}${_YEAR}_${_MONTH}${_DAY}

if [ "${_QUARTER}" == 1 ]
then

GetFirstLastWeek 01 03

    _CH=1
    _PQ=4
    _PQM1=OCT
    _PQM2=NOV
    _PQM3=DEC
    _SVYEARL=$(date +%Y --date="1 year ago")
    _SVYEARS=$(date +%y --date="1 year ago")
    
elif [ "${_QUARTER}" == 2 ]
then

GetFirstLastWeek 04 06

    _CH=1
    _PQM1=JAN
    _PQM2=FEB
    _PQM3=MAR
    _PQ=1
    _SVYEARL=$(date +%Y)
    _SVYEARS=$(date +%y)

elif [ "${_QUARTER}" == 3 ]
then

GetFirstLastWeek 07 09

    _CH=2
    _PQM1=APR
    _PQM2=MAY
    _PQM3=JUN
    _PQ=2
    _SVYEARL=$(date +%Y)
    _SVYEARS=$(date +%y)

elif [ "${_QUARTER}" == 4 ]
then

GetFirstLastWeek 10 12

    _CH=2
    _PQM1=JUL
    _PQM2=AUG
    _PQM3=SEP
    _PQ=3
    _SVYEARL=$(date +%Y)
    _SVYEARS=$(date +%y)
fi
}

GetFirstLastWeek () {

#::-- Get first Saturday of the first week of the quarter --::#

DAY_OF_WEEK=6 # 1=Monday, ..., 7=Sunday
THE_YEAR=${_YEAR}
THE_MONTH="$1"

RESULT_DAY=0

YEAR_MONTH_STR=${THE_YEAR}"-"${THE_MONTH}  # Example value: "2017-06"

for DAYNO in 1 2 3 4 5 6 7
do
    DATE_TO_CHECK=${YEAR_MONTH_STR}"-"${DAYNO}
    DATE_RESULT=$(date --date=$DATE_TO_CHECK '+%u')
        if [ $? -eq 0 ]
        then
            if [ $DATE_RESULT -eq $DAY_OF_WEEK ]
            then
            RESULT_DAY=$DAYNO
            fi
        fi
done

RESULT_DATE_COMPLETE1=${YEAR_MONTH_STR}"-"${RESULT_DAY}

if [ $RESULT_DAY -ge 2 ]
then
    _FQW=$(date --date="$RESULT_DATE_COMPLETE1 - 7 days" +FirstQtrWeek,\'\\%m/%d/%Y'\'\')
else
    _FQW=$(date --date=$RESULT_DATE_COMPLETE1 +FirstQtrWeek,\'\\%m/%d/%Y'\'\')
fi

#::-- Get last Saturday of the last week of the quarter --::#

DAY_OF_WEEK=6 # 1=Monday,..., 7=Sunday
THE_YEAR=${_YEAR}
THE_MONTH="$2"

RESULT_DAY=0

YEAR_MONTH_STR=${THE_YEAR}"-"${THE_MONTH}  # Example value: "2017-06"

for DAYNO in 22 23 24 25 26 27 28 29 30 31
do
    DATE_TO_CHECK=${YEAR_MONTH_STR}"-"${DAYNO}
    DATE_RESULT=$(date --date=$DATE_TO_CHECK '+%u')
        if [ $? -eq 0 ]
        then
            if [ $DATE_RESULT -eq $DAY_OF_WEEK ]
            then
            RESULT_DAY=$DAYNO
            fi
        fi
done

RESULT_DATE_COMPLETE=${YEAR_MONTH_STR}"-"${RESULT_DAY}

}

AdvanceSubvars () {

echo $(date +CurrentWeek,\'\\%m/%d/%y'\'\')
echo $(date +CurrentWeekq,\'\\\"%m/%d/%y'\''"'\')
echo $(date +CurrentPeriod,%^b%y)
echo $(date +CurrentPeriodq,\'\\\"%^b%y'\''"'\')
echo $(date +'"1PeriodPrior"',%^b%y --date='1 month ago')
echo $(date +'"1PeriodPriorq"',\'\\\"%^b%y'\''"'\' --date='1 month ago')
echo $(date +'"2PeriodPrior"',%^b%y --date='2 months ago')
echo $(date +'"2PeriodPriorq"',\'\\\"%^b%y'\''"'\' --date='2 months ago')
echo $(date +CurrentQuarter,\'\\"FY $(expr $(expr $(date -d '-1 month' +%m) - 1) / 3 + 1)Q%Y"'\'\')
echo $(date +CurrentQuarterq,\'\\\""FY $(expr $(expr $(date -d '-1 month' +%m) - 1) / 3 + 1)Q%Y"'\''"'\')
echo $(date +CurrentHalfq,\'\\\""FY ${_CH}H%Y"'\''"'\')
echo $(date +CurrentPlanYear,\'\\"FY %Y"'\'\')
echo $(date +CurrentPlanYearq,\'\\\""FY %Y"'\''"'\')
echo $(date +CurrentYear,\'\\"FY %Y"'\'\')
echo $(date +CurrentYearq,\'\\\""FY %Y"'\''"'\')
echo $(date +PriorQuarterAD,\'\\"AD${_PQ}-${_SVYEARS}"'\'\')
echo $(date +PriorQuarterADq,\'\\\""AD${_PQ}-${_SVYEARS}"'\''"'\')
echo $(date +PriorQuarterMnth1,"${_PQM1}${_SVYEARS}")
echo $(date +PriorQuarterMnth2,"${_PQM2}${_SVYEARS}")
echo $(date +PriorQuarterMnth3,"${_PQM3}${_SVYEARS}")
echo $(date +PriorQuarterMnth1q,\'\\\""${_PQM1}${_SVYEARS}"'\''"'\')
echo $(date +PriorQuarterMnth2q,\'\\\""${_PQM2}${_SVYEARS}"'\''"'\')
echo $(date +PriorQuarterMnth3q,\'\\\""${_PQM3}${_SVYEARS}"'\''"'\')
echo $(date +PriorQuarter,\'\\"FY ${_PQ}Q${_SVYEARL}"'\'\')
echo $(date +PriorQuarterq,\'\\\""FY ${_PQ}Q${_SVYEARL}"'\''"'\')
echo $(date +CurrentQtrInput,\'\\"FY $(expr $(expr $(date -d '-1 month' +%m) - 1) / 3 + 1)Q%Y_input"'\'\')
echo $(date +CurrentQtrInputq,\'\\\""FY $(expr $(expr $(date -d '-1 month' +%m) - 1) / 3 + 1)Q%Y_input"'\''"'\')
echo $(date +PriorQtrInput,\'\\"FY ${_PQ}Q${_SVYEARL}_input"'\'\')
echo $(date +ALLC_CurrentWeek,\'\\%m/%d/%y'\'\')
echo $(date +ALLC_CurrentWeekq,\'\\\"%m/%d/%y'\''"'\')
echo $(date +ALLC_CurrentPeriod,%^b%y)
echo $(date +ALLC_CurrentPeriodq,\'\\\"%^b%y'\''"'\')
echo $_FQW
echo $(date --date=$RESULT_DATE_COMPLETE +LastQtrWeek,\'\\%m/%d/%Y'\'\')

#::-- VARIABLES REQUIRING MANUAL SETTING TWICE A YEAR BELOW --::#

echo ES3CurrentSeedPlanq,\'\\\"Budget Base'\''"'\'
echo CurrentPlan,'\"Q3 Forecast\"'
echo CurrentPlanq,\'\\\"Q3 Forecast'\''"'\'
echo CurrentSeedPlanq,\'\\\"Budget Base'\''"'\'

} > ${_SUBVARPATH}${_YEAR}_${_MONTH}${_DAY}/Subvar_List.txt

echo ---------------------------------------------------------
echo "${_SN} beginning at ${_TIME}"                           
echo ---------------------------------------------------------

echo ---------------------------------------------------------                                                                                                
echo "Prepare Subvars"                                         
echo ---------------------------------------------------------

PrepSubvars

_RVAL=$?

if [ $_RVAL -eq 0 ]
then
    echo ---------------------------------------------------------
    echo "Prepare Subvars : Successful"                           
    echo ---------------------------------------------------------
  
else
    echo ---------------------------------------------------------
    echo "Prepare Subvars : Unsuccessful"                      
    echo ---------------------------------------------------------
    exit 1
fi

echo ---------------------------------------------------------                                                                                                
echo "Advance Subvar Values"                                         
echo ---------------------------------------------------------

AdvanceSubvars

_RVAL=$?

if [ $_RVAL -eq 0 ]
then
    echo ---------------------------------------------------------
    echo "Advance Subvar Values : Successful"                           
    echo ---------------------------------------------------------
  
else
    echo ---------------------------------------------------------
    echo "Advance Subvar Values : Unsuccessful"                      
    echo ---------------------------------------------------------
    exit 1
fi

echo ---------------------------------------------------------                                                                                                
echo "Update Subvars on ${_ESSB_SRVR}"                                         
echo ---------------------------------------------------------

#::-- Save of previous Subvar file for records --::#

pushd ${_SUBVARPATH}${_YEAR}_${_MONTH}${_DAY}
cp Subvar_List.txt ${_TIME}_Subvar_List.txt
popd

#::-- Read file contents into variables and pass to MaxL --::#

while IFS=',' read col1 col2
do

export subvar=$col2

_MAXLLOGFILE=${_INTRAPATH}/${_FN}_${col1}_MAXL.log

. ${_STARTMAXLPATH} ${_MAXLSCRIPTPATH}Update_Subvars.mxl ${_ESSB_USER} ${_ESSB_PSWD} ${_ESSB_SRVR} ${_MAXLLOGFILE} $col1 $subvar

done < ${_SUBVARPATH}${_YEAR}_${_MONTH}${_DAY}/Subvar_List.txt

_RVAL=$?

if [ $_RVAL -eq 0 ]
then
    echo ---------------------------------------------------------
    echo "Update Subvars on ${_ESSB_SRVR} : Successful"                           
    echo ---------------------------------------------------------
  
else
    echo ---------------------------------------------------------
    echo "Update Subvars on ${_ESSB_SRVR} : Unsuccessful"                      
    echo ---------------------------------------------------------
    exit 1
fi
  
echo
echo ---------------------------------------------------------                                                                                                
echo "${_SN} - Completed Successfully"
echo
echo "Normal Exit"                                        
echo ---------------------------------------------------------
exit 0

---------- Post updated at 05:50 AM ---------- Previous update was at 05:49 AM ----------

Also, all the escape characters and slashes are required format to load the value into my target system.
# 21  
Old 05-30-2017
By your definitions, the 1st Saturday of a quarter will be on the 1st of a month; on the 31st, 30th, 29th, 28th, 27th, or 26th of the previous month if it has 31 days; or on the 30th, 29th, 28th, 27th, 26th, or 25th of the previous month if it has 30 days. Therefore, the last Saturday of a quarter will be on the 25th, 24th, 23rd, 22nd, 21st, 20th, or 19th of a 31 day month or on the 24th, 23rd, 22nd, 21st, 20th, 19th, or 18th of a 30 day month. So, the code you're using in the GetFirstLastWeek() function might work for certain quarters of certain years, but it can't provide the correct results for the general case.

What are the English definitions of what is to be printed in your output following the text:
  1. ALLC_CurrentWeek,
  2. ALLC_CurrentPeriod,
  3. PriorQuarterAD,
?

You didn't show us the source for the script /home/oracle/Hyperion_Batch/Scripts/Batch/_env.sh. How does it set the values for the variables _YEAR, _MONTH, and _DAY? Are they the calendar date on which the script is run? (If so, many of your calculations will be wrong. If you had run this script on 12/31/2016, your script would be trying to find dates based on FY4Q2016 instead of FY1Q2017.)

How have you tested this code to verify that the results produced are correct when run in the 1st and last week in a quarter where the calendar month and calendar year match the fiscal year and fiscal month (in one case) and where the calendar and fiscal month and year are different? (You might consider having your script look for a single command-line argument. If it is found, use that argument as the current date instead of using the actual current calendar date. That will allow you to see if you get what you want on any date you want to try past, present, or future. Otherwise, use the current date like your script does now.)
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