How to split big file?

Hi, folks,
I have a big binary file (around 400M). How can I split it to several small files? If I just use the file read subvi in labview, it will show "not enough memory" error. How can I solve this problem?
Any help will be appreciated!

> I have a big binary file (around 400M). How can I split it to several
> small files? If I just use the file read subvi in labview, it will
> show "not enough memory" error. How can I solve this problem?
>
This is because you are attempting to read the entire file at once.
File I/O allows you to read anywhere from one byte to the entire file.
I don't know what is in your file, but the read characters from file has
an input for how many characters. Or you can use the more advanced File
Open followed by File Read with specific types wired up.
Either way, determine how you will break it up. 40 10M files, 10 40M
files, etc. Then make a loop where you create the new file, read the
data from the old large file, then write it to the new file, then clos
e
the new file and go to the next iteration of the loop.
Greg McKaskle

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    Read a file portion.png ‏13 KB

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    BFH0000000101TYO988 203PROD1108021046JP000869
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    BOH000001690316300561110807                       JPY0
    BKT0000017006      000011                    015X 988                                               AXSS00000000 00000000 00000000
    BKS00000171241108010000119881734947154  0               0FFVV   16300561                    TKTTTYO/TYO           TDHAWK/JL
    *BKS00000172301108010000119881734947154  00000006200{0000000000{ SW      0000000200{BP      0000000215{0000007233{0000000000{     JPY0*  
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    *BKS00000174391108010000119881734947154  0I        000000000000000{      000000000000000{000000000000000{0000000000{              JPY0*  
    BKS00000175461108010000119881734947154  0                                1/2/NON-REF/MZP1M
    BKI00000176631108010000119881734947154  01 03AUG03AUG       HND  GMP  OZ   1035 M 03AUG 2020    OK20K MZPH1M
    BKI00000177631108010000119881734947154  02 04AUG03SEP       GMP  HND  OZ   1045 M 06AUG 1530    OK20K MZPH1M
    BAR00000178641108010000119881734947154  0   JPY62000/             JPY2000SW  JPY2150BP  JPY6180YQ   JPY72330    13150RX5              0
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    BAR00000180661108010000119881734947154  01CASH
    BMP00000181731108010000119881734947154  0                                                                                       C
    BKF00000182811108010000119881734947154  0  103AUG11 TYO OZ SEL 387.28MZPH1M OZ TYO 387.28MZPH1M
    BKF00000183811108010000119881734947154  0  2 NUC774.56END ROE80.044
    *BKP0000018484110801000011CA        0000007233{                                                0000000000000000{0000007233{       JPY0*  
    BKT0000018506      000012                    015X 988                                               AXSS00000000 00000000 00000000
    BKS00000186241108010000129881734947155  1               0FFVV   16300561                    TKTTTYO/TYO           TDHAWK/JL
    *BKS00000187301108010000129881734947155  10000006200{0000000000{ SW      0000000200{BP      0000000215{0000007233{0000000000{     JPY0*  
    *BKS00000188301108010000129881734947155  10000000000{0000000000{ YQ      0000000618{        0000000000{0000000000{0000000000{     JPY0*  
    *BKS00000189391108010000129881734947155  1I        000000000000000{      000000000000000{000000000000000{0000000000{              JPY0*  
    BKS00000190461108010000129881734947155  1                                1/2/NON-REF/MZP1M
    BKI00000191631108010000129881734947155  11 03AUG03AUG       HND  GMP  OZ   1035 M 03AUG 2020    OK20K MZPH1M
    BKI00000192631108010000129881734947155  12 04AUG03SEP       GMP  HND  OZ   1045 M 06AUG 1530    OK20K MZPH1M
    BAR00000193641108010000129881734947155  1   JPY62000/             JPY2000SW  JPY2150BP  JPY6180YQ   JPY72330    13150RX5              0
    BAR00000194651108010000129881734947155  1IWATA/HITOSHIMR
    BAR00000195661108010000129881734947155  11CASH
    BMP00000196731108010000129881734947155  1                                                                                       C
    BKF00000197811108010000129881734947155  1  103AUG11 TYO OZ SEL 387.28MZPH1M OZ TYO 387.28MZPH1M
    BKF00000198811108010000129881734947155  1  2 NUC774.56END ROE80.044
    *BKP0000019984110801000012CA        0000007233{                                                0000000000000000{0000007233{       JPY0*  
    BKT0000020006      000013                    017X 988                                               WSPN00000000 00000000 00000000
    BKS00000201241108010000139882898050606  0               0FFFF   16300561                    TKTTNGO/NGO           N7ZAXW/1P
    *BKS00000202301108010000139882898050606  00000005000{0000000000{ SW      0000000250{BP      0000000154{0000007539{0000000000{     JPY0*  
    *BKS00000203301108010000139882898050606  00000000000{0000000000{ KX      0000000199{YQ      0000001936{0000000000{0000000000{     JPY0*  
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    BKI00000207631108010000139882898050606  02O02OCT02OCT       ICN  REP  OZ     737Q 02OCT 1920    OK20K QLZA14D
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    BKI00000209631108010000139882898050606  04 11OCT11OCT       ICN  NGO  OZ     122Q 11OCT 0910    OK20K QLZA14D
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    BAR00000211651108010000139882898050606  0WATANABE/FUMIE.MS
    BAR00000212661108010000139882898050606  01VI 4297 XXXXXXXXX 1870P0812
    BKF00000213811108010000139882898050606  0  1NGO OZ X/SEL OZ REP 312.32OZ X/SEL OZ NGO 312.32NUC624.64 END ROE80.044OZ XT1990KX 1936
    BKF00000214811108010000139882898050606  0  20YQ
    *BKP0000021584110801000013CCVI4297  0000007539{4297690004451870   0812     701410              0000000000000000{0000000000{       JPY0*  
    *BKP0000021684110801000013CA        0000000000{                                                0000000000000000{0000000000{       JPY0*  
    BKT0000021706      000014                    015X 988                                               INFI00000000 00000000 00000000
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    *BKS00000219301108010000149885195702276  60000002500{0000000000{ SW      0000000250{BP      0000000215{0000003583{0000000000{     JPY0*  
    *BKS00000220301108010000149885195702276  60000000000{0000000000{ YQ      0000000618{        0000000000{0000000000{0000000000{     JPY0*  
    *BKS00000221391108010000149885195702276  6I        000000000000000{      000000000000000{000000000000000{0000000000{              JPY0*  
    BKS00000222461108010000149885195702276  6                                NON-REF/QZA7
    BKI00000223631108010000149885195702276  61O16SEP16SEP       NGO  ICN  OZ   123  Q 16SEP 1745    OK20K QKPMZA7
    BKI00000224631108010000149885195702276  62 22SEP22SEP       ICN  NGO  OZ   124  Q 22SEP 1500    OK20K QKPMZA7
    BAR00000225641108010000149885195702276  6JPY   25000/                2500SW     2150BP     6180YQJPY   35830INFI78840      99999999  N0
    BAR00000226651108010000149885195702276  6INUKAI/HIROKO MS                                 NTS REF 3607438
    BAR00000227661108010000149885195702276  61JC35875900009516110115/ C 018627*
    BMP00000228731108010000149885195702276  6                     NTS REF 3607438                                 ANU
    BKF00000229811108010000149885195702276  6  116SEP11NGO OZ SEL156.16OZ NGO156.16NUC312.32END ROE80.044
    *BKP0000023084110801000014CCJC3587  0000003583{3587590000951611   0115     018627              0000000000000000{0000000000{       JPY0*  
    *BKP0000023184110801000014CA        0000000000{                                                0000000000000000{0000000000{       JPY0*  
    BKT0000023206      000015                    014X 988                                               GDSL00000000 00000000 00000000
    BKS00000233241108010000159885340399785  458803403997853 6FFVV   16300561                    TKTTNRT/NRT           V7R5WC/1V
    *BKS00000234301108010000159885340399785  40000004000{0000000000{ YQ      0000000618{BP      0000000215{0000005087{0000000000{     JPY0*  
    *BKS00000235301108010000159885340399785  40000000000{0000000000{ SW      0000000204{OI      0000000050{0000000000{0000000000{     JPY0*  
    *BKS00000236391108010000159885340399785  4I        000000000000000{      000000000000000{000000000000000{0000000000{              JPY0*  
    BKS00000237461108010000159885340399785  4                                NON-REF-QZA7
    BKI00000238631108010000159885340399785  41 08AUG08AUG       NRT  ICN  OZ   107  Q 08AUG 0900    OK20K QHA2ZA7
    BKI00000239631108010000159885340399785  42 10AUG10AUG       ICN  NRT  OZ   106  Q 10AUG 1510    OK20K QHA2ZA7
    BAR00000240641108010000159885340399785  4   JPY40000/              JPY500OI JPY10370XT              JPY50870    588002LNCK           U3
    BAR00000241651108010000159885340399785  4TAKAHASHI/AYA MS
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    BKF00000244811108010000159885340399785  4  2 6180YQ 2150BP 2040SW
    *BKP0000024584110801000015CA        0000005087{                                                0000000000000000{0000005087{       JPY0*  
    *BOT000002469316300561110807       00000000030675{00000000019553{00000000000000{00000000006775{00000000000000{SALE 00000000000000{JPY0*  
    *BKT0000024706      000016                    010  988                                               INFI00000000 00000000 00000000 A*   
    *BKS00000248241108010000169885195419735  678841696711651 4       16300561                    RFND   /*                                   
    *BKS00000249301108010000169885195419735  60000005700}0000000000{ OI      0000000050}SW 0000000204}0000006087}0000000000{     JPY0*  
    *BKS00000250301108010000169885195419735  60000000000{0000000000{ BP      0000000215}YQ 0000000518}0000000000{0000000000{     JPY0*  
    *BKS00000251301108010000169885195419735  60000000000{0000000000{ CP      0000000600{        0000000000{0000000000{0000000000{     JPY0*  
    *BKS00000252391108010000169885195419735  6I        000000000000000{      000000000000000{000000000000000{0000000000{              JPY0*  
    BKS00000253451108070000169885195419735  2                                                                  1200                110727
    BAR00000254651108010000169885195419735  6SATO/YUKIMR
    BKP0000025583110801000016 9889AZ5E61I6V
    BKP0000025684110801000016CA        0000006087}                                                0000000000000000{0000006087}       JPY0
    BKT0000025706      000017                    010  988                                               INFI00000000 00000000 00000000 A
    BKS00000258241108010000179885195419736  078841696711481 1       16300561                    RFND   /
    *BKS00000259301108010000179885195419736  00000005700}0000000000{ OI      0000000050}SW 0000000204}0000006087}0000000000{     JPY0*  
    *BKS00000260301108010000179885195419736  00000000000{0000000000{ BP      0000000215}YQ 0000000518}0000000000{0000000000{     JPY0*  
    *BKS00000261301108010000179885195419736  00000000000{0000000000{ CP      0000000600{        0000000000{0000000000{0000000000{     JPY0*  
    *BKS00000262391108010000179885195419736  0I        000000000000000{      000000000000000{000000000000000{0000000000{              JPY0*  
    BKS00000263451108070000179885195419736  3                                                                  1200                110727
    BAR00000264651108010000179885195419736  0KANG/SOONBOKMS
    BKP0000026583110801000017 9889AZ5E61I6W
    BKP0000026684110801000017CA        0000006087}                                                0000000000000000{0000006087}       JPY0
    *BOT000002679316300561110807       00000000012174}00000000012174}00000000000000{00000000000774}00000000000000{RFND 00000000000000{JPY0*  
    *BOT000002689416300561110807       00000000018501{00000000007379{00000000000000{00000000006001{00000000000000{     00000000000000{JPY0*  
    BOH000002690316300863110807                       JPY0                                                                                 
    BKT0000027006      000018                    015X 988                                               AXSS00000000 00000000 00000000     
    BKS00000271241108010000189881734547779  3               0FFVV   16300863                    TKTTNGO/NGO           47F8J6/JL            
    BKS00000272301108010000189881734547779  30000005000{0000000000{ SW      0000000250{BP      0000000215{0000006083{0000000000{     JPY0  
    BKS00000273301108010000189881734547779  30000000000{0000000000{ YQ      0000000618{        0000000000{0000000000{0000000000{     JPY0  
    BKS00000274391108010000189881734547779  3I        000000000000000{      000000000000000{000000000000000{0000000000{              JPY0  
    BKS00000275461108010000189881734547779  3                                1/2/NON-REF/MZP1M                                             
    BKI00000276631108010000189881734547779  31 07AUG07AUG       NGO  ICN  OZ   121  M 07AUG 1200    OK20K MZP1M                            
    BKI00000277631108010000189881734547779  32 08AUG07SEP       ICN  NGO  OZ   124  M 09AUG 1500    OK20K MZP1M                            
    BAR00000278641108010000189881734547779  3   JPY50000/             JPY2500SW  JPY2150BP  JPY6180YQ   JPY60830    13150OL2              0
    BAR00000279651108010000189881734547779  3KAMEGAI/NORIOMR                                                                               
    BAR00000280661108010000189881734547779  31CASH                                                                                         
    BMP00000281731108010000189881734547779  3                                                                                       C      
    BKF00000282811108010000189881734547779  3  107AUG11 NGO OZ SEL 312.32MZP1M OZ NGO 312.32MZP1M N                                        
    BKF00000283811108010000189881734547779  3  2UC624.64END ROE80.044                                                                      
    BKP0000028484110801000018CA        0000006083{                                                0000000000000000{0000006083{       JPY0  
    BKT0000028506      000019                    014X 988                                               AXSS00000000 00000000 00000000     
    BKS00000286241108010000199881734547801  4               0FFVV   16300863                    TKTTNGO/NGO           5Y5RQQ/JL            
    BKS00000287301108010000199881734547801  40000008350{0000000000{ SW      0000000250{BP      0000000215{0000009433{0000000000{     JPY0  
    BKS00000288301108010000199881734547801  40000000000{0000000000{ YQ      0000000618{        0000000000{0000000000{0000000000{     JPY0  
    BKS00000289391108010000199881734547801  4I        000000000000000{      000000000000000{000000000000000{0000000000{              JPY0  
    BKI00000290631108010000199881734547801  41      16AUG       NGO  ICN  OZ   123  C 16AUG 1745    OK30K CRTOZKR                          
    BKI00000291631108010000199881734547801  42      16AUG       ICN  NGO  OZ   9122 Y 18AUG 1835    OK20K YRTOZKR                          
    BAR00000292641108010000199881734547801  4   JPY83500/             JPY2500SW  JPY2150BP  JPY6180YQ   JPY94330    13150GI3              0
    BAR00000293651108010000199881734547801  4HIRAI/SHUJIMR                                                                                 
    BAR00000294661108010000199881734547801  41CASH                                                                                         
    BMP00000295731108010000199881734547801  4                                                                                       C      
    BKF00000296811108010000199881734547801  4  116AUG11 NGO OZ SEL 624.65CRTOZKR OZ NGO 418.51YRTOZ                                        
    BKF00000297811108010000199881734547801  4  2KR NUC1043.16END ROE80.044                                                                 
    BKP0000029884110801000019CA        0000009433{                                                0000000000000000{0000009433{       JPY0  
    BOT000002999316300863110807       00000000015516{00000000015516{00000000000000{00000000002166{00000000000000{SALE 00000000000000{JPY0  
    BOT000003009416300863110807       00000000015516{00000000015516{00000000000000{00000000002166{00000000000000{     00000000000000{JPY0  
    BOH000003010316300933110807                       JPY0                                                                                 
    BKT0000030206      000020                    009  988                                               INFI00000000 00000000 00000000 A   
    BKS00000303241108010000209885195510345  178840417924611 4       16300933                    RFND   /                                   
    BKS00000304301108010000209885195510345  10000005800}0000000000{ SW      0000000265}YQ 0000000259}0000006074}0000000000{     JPY0  
    BKS00000305301108010000209885195510345 10000000000{0000000000{ CP      0000000250{        0000000000{0000000000{0000000000{     JPY0  
    BKS00000306391108010000209885195510345 1I 000000000000000{      000000000000000{000000000000000{0000000000{              JPY0  
    BKS00000307451108070000209885195510345 4 1000 110727
    BAR00000308651108010000209885195510345 1SONG/YOUNGSUKMR
    BKP0000030983110801000020 9889AZ5E63G3T
    BKP0000031084110801000020CA 0000006074} 0000000000000000{0000006074} JPY0
    BKT0000031106 000021 009 988 INFI00000000 00000000 00000000 A
    BKS00000312241108010000219885195510346 278840417924641 0 16300933 RFND /
    BKS00000313301108010000219885195510346 20000004000}0000000000{ SW      0000000265}YQ 0000000259}0000004274}0000000000{     JPY0  
    BKS00000314301108010000219885195510346 20000000000{0000000000{ CP      0000000250{        0000000000{0000000000{0000000000{     JPY0  
    BKS00000315391108010000219885195510346 2I 000000000000000{      000000000000000{000000000000000{0000000000{              JPY0  
    BKS00000316451108070000219885195510346 5 1000 110727
    BAR00000317651108010000219885195510346 2KIM/WONBINMR
    BKP0000031883110801000021 9889AZ5E63G3U
    BKP0000031984110801000021CA 0000004274} 0000000000000000{0000004274} JPY0
    BOT000003209316300933110807 00000000010348}00000000010348}00000000000000{00000000000548}00000000000000{RFND 00000000000000{JPY0  
    BOT000003219416300933110807       00000000010348}00000000010348}00000000000000{00000000000548}00000000000000{     00000000000000{JPY0  
    BCT00021143950811 0014500000009520310F00000005400221G00000002821794}00000001540700F00000000000000{          00000000002785PJPY0  
    BFT0002114499TYO 0014500000009520310F00000005400221G00000002821794}00000001540700F00000000000000{           00000000002785PJPY0  
    Edited by: 964067 on Oct 14, 2012 11:26 PM
    Edited by: 964067 on Oct 14, 2012 11:26 PM

    Hi,
    Firstly please ensure that the file that you are reading is bound to have a format of some sort.
    I will relate this to one of the requirement we did it in previous projects.
    We have a requirement to read a csv file coming in:
    1) It will be having records for Header (ODH) and Detail (ODL)
    2) The Header and Detail records will be repeated 'N' number of times in the input file.
    The schema we used it something as below to poll the CSV file:
    <xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:nxsd="http://xmlns.oracle.com/pcbpel/nxsd"
    xmlns:tns="http://TargetNamespace.com/ReadCSV" targetNamespace="http://TargetNamespace.com/ReadCSV"
    elementFormDefault="qualified" attributeFormDefault="unqualified" nxsd:parseBom="true"
    nxsd:version="NXSD" nxsd:stream="chars" nxsd:encoding="US-ASCII">
    <xsd:element name="Package">
    <xsd:complexType>
    <xsd:choice minOccurs="1" maxOccurs="unbounded" nxsd:choiceCondition="terminated" nxsd:terminatedBy=",">
    <xsd:element name="Header" nxsd:conditionValue="BOH">
    <xsd:complexType>
    <xsd:sequence>
    <xsd:element name="RecordAction" type="xsd:string" minOccurs="0" nxsd:style="terminated"
    nxsd:terminatedBy="," nxsd:quotedBy="&quot;"/>
    <xsd:element name="VisitType" type="xsd:string" minOccurs="0" nxsd:style="terminated"
    nxsd:terminatedBy="," nxsd:quotedBy="&quot;"/>
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