I have many excel files in a folder and each data file contains variable VDS_ID and SUR_MON_YR.
I want to merge all the files into one by VDS_ID and SUR_MON_YR.
i have used the xls2dta command. it is converting the excel files into data but not merging the files.
files contain variables like
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Code:
* Example generated by -dataex-. To install: ssc install dataex
clear
input str10 VDS_ID str5 SUR_MON_YR str18 ITEM_TYPE str32 ITEM_NAME str6 ITEM_UNIT str8(QTY_HOME_PROD QTY_PUR QTY_OT) str1 OT_CODE str8 PRICE_UNIT double TOT_VAL str40 REMARKS
"IKN14A0001" "07/14" "Cereals           " "PDS Rice                        " "Kg    " "        " "27"       "        " " " "1"         27 "                                        "
"IKN14A0001" "07/14" "Cereals           " "PDS Wheat                       " "Kg    " "        " "3"        "        " " " "1"          3 "                                        "
"IKN14A0001" "07/14" "Cereals           " "Finger millet                   " "Kg    " "        " "10"       "        " " " "18"       180 "                                        "
"IKN14A0001" "07/14" "Pulses            " "Pigeonpea dal (Tur)             " "Kg    " "        " "1"        "        " " " "50"        50 "                                        "
"IKN14A0001" "07/14" "Pulses            " "Matki/Cowpea                    " "Kg    " "        " "1"        "        " " " "40"        40 "                                        "
"IKN14A0001" "07/14" "Pulses            " "D.lab lab/Greenpea/Horsegram    " "Kg    " "        " "        " ".5"       "1" "16"         8 "                                        "
"IKN14A0001" "07/14" "Oils              " "Palm oil/Dalda                  " "Lt    " "        " "1"        "        " " " "70"        70 "                                        "
"IKN14A0001" "07/14" "Vegetables        " "Potato                          " "Kg    " "        " "1"        "        " " " "20"        20 "                                        "
"IKN14A0001" "07/14" "Vegetables        " "Onion                           " "Kg    " "        " "2"        "        " " " "15"        30 "                                        "
"IKN14A0001" "07/14" "Vegetables        " "Carrot                          " "Kg    " "        " ".5"       "        " " " "20"        10 "                                        "
"IKN14A0001" "07/14" "Vegetables        " "Bottle gourd                    " "Kg    " ".5"       "        " "        " " " "15"       7.5 "                                        "
"IKN14A0001" "07/14" "Vegetables        " "Tomato                          " "Kg    " "        " "2"        "        " " " "20"        40 "                                        "
"IKN14A0001" "07/14" "Vegetables        " "Ladys finger                    " "Kg    " "        " "        " "1"        "1" "15"        15 "                                        "
"IKN14A0001" "07/14" "Vegetables        " "Beans                           " "Kg    " "        " "1"        "        " " " "30"        30 "                                        "
"IKN14A0001" "07/14" "Vegetables        " "Chillies                        " "Kg    " "        " ".5"       "        " " " "20"        10 "                                        "
"IKN14A0001" "07/14" "Vegetables        " "Radish                          " "Kg    " "        " "        " "1"        "1" "15"        15 "                                        "
"IKN14A0001" "07/14" "Leafy vegetables  " "Coriander leaves                " "Kg    " "        " ".25"      "        " " " "40"        10 "                                        "
"IKN14A0001" "07/14" "Fruits            " "Banana                          " "Kg    " "        " "1"        "        " " " "40"        40 "                                        "
"IKN14A0001" "07/14" "Fruits            " "Papaya                          " "Kg    " "1"        "        " "        " " " "15"        15 "                                        "
"IKN14A0001" "07/14" "Milk & Milk Prod. " "Milk                            " "Lt    " "        " "4"        "        " " " "25"       100 "                                        "
"IKN14A0001" "07/14" "Other food Items  " "Spices(chillies, salt, etc.)    " "Rs    " "20"       "90"       "        " " " "        " 110 "                                        "
"IKN14A0001" "07/14" "Other food Items  " "Sugar & Gur                     " "Kg    " "        " "2"        "        " " " "35"        70 "                                        "
"IKN14A0001" "07/14" "Other food Items  " "Tea/coffee powder               " "Kg    " "        " ".1"       "        " " " "180"       18 "                                        "
"IKN14A0001" "07/14" "Other food Items  " "Chicken                         " "Kg    " "        " "1"        "        " " " "140"      140 "                                        "
"IKN14A0001" "07/14" "Other food Items  " "Eggs                            " "No    " "        " "4"        "        " " " "4.5"       18 "                                        "
"IKN14A0001" "07/14" "Other food Items  " "Meal/tiffin/tea in hotel        " "Rs    " "        " "250"      "        " " " "        " 250 "                                        "
"IKN14A0001" "07/14" "Other food Items  " "Others(bread, khara, etc.)      " "Rs    " "        " "90"       "        " " " "        "  90 "                                        "
"IKN14A0001" "07/14" "Other food Items  " "Mid day meal                    " "Rs    " "        " "        " "300"      "1" "        " 300 "                                        "
"IKN14A0001" "07/14" "Other food Items  " "Soc. meal(Marriage, etc.)No.-2  " "Rs    " "        " "        " "150"      "1" "        " 150 "                                        "
"IKN14A0001" "08/14" "Cereals           " "PDS Rice                        " "Kg    " "        " "27"       "        " " " "1"         27 "                                        "
"IKN14A0001" "08/14" "Cereals           " "PDS Wheat                       " "Kg    " "        " "3"        "        " " " "1"          3 "                                        "
"IKN14A0001" "08/14" "Cereals           " "Finger millet                   " "Kg    " "        " "10"       "        " " " "18"       180 "                                        "
"IKN14A0001" "08/14" "Pulses            " "Pigeonpea dal (Tur)             " "Kg    " "        " ".5"       "        " " " "50"        25 "                                        "
"IKN14A0001" "08/14" "Pulses            " "Chickpea dal(Chenna)            " "Kg    " "        " ".5"       "        " " " "50"        25 "                                        "
"IKN14A0001" "08/14" "Pulses            " "Matki/Cowpea                    " "Kg    " "        " "1"        "        " " " "40"        40 "                                        "
"IKN14A0001" "08/14" "Pulses            " "D.lab lab/Greenpea/Horsegram    " "Kg    " "        " "1"        "        " " " "16"        16 "                                        "
"IKN14A0001" "08/14" "Oils              " "Palm oil/Dalda                  " "Lt    " "        " "2"        "        " " " "70"       140 "                                        "
"IKN14A0001" "08/14" "Vegetables        " "Potato                          " "Kg    " "        " "1"        "        " " " "25"        25 "                                        "
"IKN14A0001" "08/14" "Vegetables        " "Onion                           " "Kg    " "        " "3"        "        " " " "25"        75 "                                        "
"IKN14A0001" "08/14" "Vegetables        " "Carrot                          " "Kg    " "        " "1"        "        " " " "20"        20 "                                        "
"IKN14A0001" "08/14" "Vegetables        " "Bottle gourd                    " "Kg    " "1"        "        " "        " " " "15"        15 "                                        "
"IKN14A0001" "08/14" "Vegetables        " "Tomato                          " "Kg    " "        " "2"        "        " " " "30"        60 "                                        "
"IKN14A0001" "08/14" "Vegetables        " "Ladys finger                    " "Kg    " "        " "        " "1"        "1" "15"        15 "                                        "
"IKN14A0001" "08/14" "Vegetables        " "Brinjal                         " "Kg    " "        " "        " "1"        "1" "20"        20 "                                        "
"IKN14A0001" "08/14" "Vegetables        " "Chillies                        " "Kg    " "        " ".25"      "        " " " "40"        10 "                                        "
"IKN14A0001" "08/14" "Vegetables        " "Radish                          " "Kg    " "        " "        " "1"        "1" "10"        10 "                                        "
"IKN14A0001" "08/14" "Leafy vegetables  " "Coriander leaves                " "Kg    " "        " ".2"       "        " " " "40"         8 "                                        "
"IKN14A0001" "08/14" "Leafy vegetables  " "Amaranth                        " "Kg    " "        " "        " "1"        "1" "15"        15 "                                        "
"IKN14A0001" "08/14" "Fruits            " "Banana                          " "Kg    " "        " "1"        "        " " " "35"        35 "                                        "
"IKN14A0001" "08/14" "Milk & Milk Prod. " "Milk                            " "Lt    " "        " "2"        "        " " " "25"        50 "                                        "
"IKN14A0001" "08/14" "Other food Items  " "Spices(chillies, salt, etc.)    " "Rs    " "20"       "100"      "        " " " "        " 120 "                                        "
"IKN14A0001" "08/14" "Other food Items  " "Sugar & Gur                     " "Kg    " "        " "1"        "        " " " "34"        34 "                                        "
"IKN14A0001" "08/14" "Other food Items  " "Tea/coffee powder               " "Kg    " "        " ".1"       "        " " " "180"       18 "                                        "
"IKN14A0001" "08/14" "Other food Items  " "Chicken                         " "Kg    " "        " "1"        "        " " " "140"      140 "                                        "
"IKN14A0001" "08/14" "Other food Items  " "Meal/tiffin/tea in hotel        " "Rs    " "        " "200"      "        " " " "        " 200 "                                        "
"IKN14A0001" "08/14" "Other food Items  " "Others(bread, khara, etc.)      " "Rs    " "        " "40"       "20"       "1" "        "  60 "                                        "
"IKN14A0001" "08/14" "Other food Items  " "Mid day meal                    " "Rs    " "        " "        " "300"      "1" "        " 300 "                                        "
"IKN14A0001" "08/14" "Other food Items  " "Soc. meal(Marriage, etc.)No.-3  " "Rs    " "        " "        " "200"      "1" "        " 200 "                                        "
"IKN14A0001" "08/14" "Other food Items  " "Beverages(Cool drinks)          " "Rs    " "        " "15"       "        " " " "        "  15 "                                        "
"IKN14A0001" "09/14" "Cereals           " "PDS Rice                        " "Kg    " "        " "27"       "        " " " "1"         27 "                                        "
"IKN14A0001" "09/14" "Cereals           " "PDS Wheat                       " "Kg    " "        " "3"        "        " " " "1"          3 "                                        "
"IKN14A0001" "09/14" "Cereals           " "Finger millet                   " "Kg    " "        " "10"       "        " " " "18"       180 "                                        "
"IKN14A0001" "09/14" "Pulses            " "Pigeonpea dal (Tur)             " "Kg    " "        " "1"        "        " " " "50"        50 "                                        "
"IKN14A0001" "09/14" "Pulses            " "Chickpea dal(Chenna)            " "Kg    " "        " ".25"      "        " " " "60"        15 "                                        "
"IKN14A0001" "09/14" "Pulses            " "Matki/Cowpea                    " "Kg    " "        " "1"        "        " " " "40"        40 "                                        "
"IKN14A0001" "09/14" "Pulses            " "D.lab lab/Greenpea/Horsegram    " "Kg    " "        " "1"        "        " " " "20"        20 "                                        "
"IKN14A0001" "09/14" "Oils              " "Palm oil/Dalda                  " "Lt    " "        " "2"        "        " " " "70"       140 "                                        "
"IKN14A0001" "09/14" "Vegetables        " "Potato                          " "Kg    " "        " "1"        "        " " " "20"        20 "                                        "
"IKN14A0001" "09/14" "Vegetables        " "Onion                           " "Kg    " "        " "3"        "        " " " "25"        75 "                                        "
"IKN14A0001" "09/14" "Vegetables        " "Carrot                          " "Kg    " "        " "1"        "        " " " "20"        20 "                                        "
"IKN14A0001" "09/14" "Vegetables        " "Tomato                          " "Kg    " "        " "4"        "        " " " "5"         20 "                                        "
"IKN14A0001" "09/14" "Vegetables        " "Ladys finger                    " "Kg    " "        " "        " "1"        "1" "15"        15 "                                        "
"IKN14A0001" "09/14" "Vegetables        " "Beans                           " "Kg    " "        " "1"        "        " " " "40"        40 "                                        "
"IKN14A0001" "09/14" "Vegetables        " "Chillies                        " "Kg    " "        " ".5"       "        " " " "40"        20 "                                        "
"IKN14A0001" "09/14" "Vegetables        " "Brinjal                         " "Kg    " "        " "1"        "        " " " "10"        10 "                                        "
"IKN14A0001" "09/14" "Leafy vegetables  " "Amaranth                        " "Kg    " "        " "1"        "        " " " "15"        15 "                                        "
"IKN14A0001" "09/14" "Leafy vegetables  " "Coriander leaves                " "Kg    " "        " ".25"      "        " " " "40"        10 "                                        "
"IKN14A0001" "09/14" "Fruits            " "Banana                          " "Kg    " "        " "1"        "        " " " "25"        25 "                                        "
"IKN14A0001" "09/14" "Milk & Milk Prod. " "Milk                            " "Lt    " "        " "2"        "        " " " "25"        50 "                                        "
"IKN14A0001" "09/14" "Other food Items  " "Spices(chillies, salt, etc.)    " "Rs    " "20"       "100"      "        " " " "        " 120 "                                        "
"IKN14A0001" "09/14" "Other food Items  " "Sugar & Gur                     " "Kg    " "        " "1"        "        " " " "34"        34 "                                        "
"IKN14A0001" "09/14" "Other food Items  " "Tea/coffee powder               " "Kg    " "        " ".1"       "        " " " "180"       18 "                                        "
"IKN14A0001" "09/14" "Other food Items  " "Chicken                         " "Kg    " "        " "1"        "        " " " "140"      140 "                                        "
"IKN14A0001" "09/14" "Other food Items  " "Meal/tiffin/tea in hotel        " "Rs    " "        " "200"      "        " " " "        " 200 "                                        "
"IKN14A0001" "09/14" "Other food Items  " "Others(bread, khara, etc.)      " "Rs    " "        " "40"       "20"       "1" "        "  60 "                                        "
"IKN14A0001" "09/14" "Other food Items  " "Mid day meal                    " "Rs    " "        " "        " "300"      "1" "        " 300 "                                        "
"IKN14A0001" "09/14" "Other food Items  " "Soc. meal(Marriage, etc.)No.-3  " "Rs    " "        " "        " "400"      "1" "        " 400 "                                        "
"IKN14A0001" "09/14" "Other food Items  " "Beverages(Cool drinks)          " "Rs    " "        " "50"       "        " " " "        "  50 "                                        "
"IKN14A0001" "10/14" "Cereals           " "PDS Rice                        " "Kg    " "        " "27"       "        " " " "1"         27 "                                        "
"IKN14A0001" "10/14" "Cereals           " "PDS Wheat                       " "Kg    " "        " "3"        "        " " " "1"          3 "                                        "
"IKN14A0001" "10/14" "Cereals           " "Finger millet                   " "Kg    " "        " "10"       "        " " " "18"       180 "                                        "
"IKN14A0001" "10/14" "Pulses            " "Pigeonpea dal (Tur)             " "Kg    " "        " "1"        "        " " " "50"        50 "                                        "
"IKN14A0001" "10/14" "Pulses            " "Chickpea dal(Chenna)            " "Kg    " "        " ".25"      "        " " " "60"        15 "                                        "
"IKN14A0001" "10/14" "Pulses            " "Matki/Cowpea                    " "Kg    " "        " "1"        "        " " " "40"        40 "                                        "
"IKN14A0001" "10/14" "Pulses            " "D.lab lab/Greenpea/Horsegram    " "Kg    " "        " "        " "1"        "1" "18"        18 "                                        "
"IKN14A0001" "10/14" "Oils              " "Palm oil/Dalda                  " "Lt    " "        " "2"        "        " " " "70"       140 "                                        "
"IKN14A0001" "10/14" "Vegetables        " "Potato                          " "Kg    " "        " "1"        "        " " " "20"        20 "                                        "
"IKN14A0001" "10/14" "Vegetables        " "Onion                           " "Kg    " "        " "3"        "        " " " "10"        30 "                                        "
"IKN14A0001" "10/14" "Vegetables        " "Carrot                          " "Kg    " "        " "1"        "        " " " "25"        25 "                                        "
"IKN14A0001" "10/14" "Vegetables        " "Bottle gourd                    " "Kg    " "1"        "        " "        " " " "10"        10 "                                        "
end
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please help me to find solution.

Array