Wrong action of Open command in Fortran( Insted read open command opens .txt file )2019 Community Moderator ElectionImporting data from file to arrayError: Two main PROGRAMs at (1) and (2)Missing explicit interface for subroutinefortran module use wrongReading from .txt file and writing to .txt fileFortran runtime error: End of fileReading a .txt file with fortran, on a MACNetCDF: Start+count exceeds dimension boundOpening and reading a file in Fortranreading in a file from fortran
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Wrong action of Open command in Fortran( Insted read open command opens .txt file )
2019 Community Moderator ElectionImporting data from file to arrayError: Two main PROGRAMs at (1) and (2)Missing explicit interface for subroutinefortran module use wrongReading from .txt file and writing to .txt fileFortran runtime error: End of fileReading a .txt file with fortran, on a MACNetCDF: Start+count exceeds dimension boundOpening and reading a file in Fortranreading in a file from fortran
This is my simple code:
Program Example_Code
Implicit none
Integer :: iERR
Open( Unit = 15, File = 'Read_Something.txt', Action = 'Read', Status = 'Unknown', iostat = iERR )
If ( iERR /= 0 ) stop ( "There is no file Read_Something.txt !!!")
Close( 15, Status = 'Keep')
End Program Example_Code
In the project directory I did not create any .txt file( because I want to test opening file with iostat) and afther the program ends I find Read_Something.txtin the project folder.
What is wrong in this example?
Why does this obvious error occur?
IDE: Code::Blocks 17.12, TDM_GCC_5.0.1 - 03
OS: Win 10 X64
fortran gfortran tdm-gcc
edited Mar 6 at 15:34
Vladimir F
40.9k44072
asked Mar 6 at 15:24
Enlil MaratovichEnlil Maratovich
226
add a comment |
This is my simple code:
Program Example_Code
Implicit none
Integer :: iERR
Open( Unit = 15, File = 'Read_Something.txt', Action = 'Read', Status = 'Unknown', iostat = iERR )
If ( iERR /= 0 ) stop ( "There is no file Read_Something.txt !!!")
Close( 15, Status = 'Keep')
End Program Example_Code
In the project directory I did not create any .txt file( because I want to test opening file with iostat) and afther the program ends I find Read_Something.txtin the project folder.
What is wrong in this example?
Why does this obvious error occur?
IDE: Code::Blocks 17.12, TDM_GCC_5.0.1 - 03
OS: Win 10 X64
fortran gfortran tdm-gcc
edited Mar 6 at 15:34
Vladimir F
40.9k44072
asked Mar 6 at 15:24
Enlil MaratovichEnlil Maratovich
226
Use tag fortran for all Fortran questions.
– Vladimir F
Mar 6 at 15:34
add a comment |
This is my simple code:
Program Example_Code
Implicit none
Integer :: iERR
Open( Unit = 15, File = 'Read_Something.txt', Action = 'Read', Status = 'Unknown', iostat = iERR )
If ( iERR /= 0 ) stop ( "There is no file Read_Something.txt !!!")
Close( 15, Status = 'Keep')
End Program Example_Code
In the project directory I did not create any .txt file( because I want to test opening file with iostat) and afther the program ends I find Read_Something.txtin the project folder.
What is wrong in this example?
Why does this obvious error occur?
IDE: Code::Blocks 17.12, TDM_GCC_5.0.1 - 03
OS: Win 10 X64
fortran gfortran tdm-gcc
edited Mar 6 at 15:34
Vladimir F
40.9k44072
asked Mar 6 at 15:24
Enlil MaratovichEnlil Maratovich
226
This is my simple code:
Program Example_Code
Implicit none
Integer :: iERR
Open( Unit = 15, File = 'Read_Something.txt', Action = 'Read', Status = 'Unknown', iostat = iERR )
If ( iERR /= 0 ) stop ( "There is no file Read_Something.txt !!!")
Close( 15, Status = 'Keep')
End Program Example_Code
In the project directory I did not create any .txt file( because I want to test opening file with iostat) and afther the program ends I find Read_Something.txtin the project folder.
What is wrong in this example?
Why does this obvious error occur?
IDE: Code::Blocks 17.12, TDM_GCC_5.0.1 - 03
OS: Win 10 X64
fortran gfortran tdm-gcc
fortran gfortran tdm-gcc
edited Mar 6 at 15:34
Vladimir F
40.9k44072
asked Mar 6 at 15:24
Enlil MaratovichEnlil Maratovich
226
edited Mar 6 at 15:34
Vladimir F
40.9k44072
asked Mar 6 at 15:24
Enlil MaratovichEnlil Maratovich
226
edited Mar 6 at 15:34
Vladimir F
40.9k44072
edited Mar 6 at 15:34
Vladimir F
40.9k44072
edited Mar 6 at 15:34
Vladimir F
40.9k44072
40.9k44072
asked Mar 6 at 15:24
Enlil MaratovichEnlil Maratovich
226
asked Mar 6 at 15:24
Enlil MaratovichEnlil Maratovich
226
asked Mar 6 at 15:24
Enlil MaratovichEnlil Maratovich
226
226
Use tag fortran for all Fortran questions.
– Vladimir F
Mar 6 at 15:34
add a comment |
Use tag fortran for all Fortran questions.
– Vladimir F
Mar 6 at 15:34
Use tag fortran for all Fortran questions.
– Vladimir F
Mar 6 at 15:34
Use tag fortran for all Fortran questions.
– Vladimir F
Mar 6 at 15:34
add a comment |
1 Answer
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You use status="unknown", that means the compiler can create the file for you so that you can read from it. If you want to open a file only when it exist, use status="old".
BTW, I find it quite useless to explicitly specify any ="unknown", just leave the argument out completely. But that is my personal style.
answered Mar 6 at 15:36
Vladimir FVladimir F
40.9k44072
@francescalus, The Fortran standard states forACTION=For a new file, the processor creates the file with a set of allowed actions that includes the specified action.
– Steve
Mar 6 at 22:36
add a comment |
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1 Answer
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active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
You use status="unknown", that means the compiler can create the file for you so that you can read from it. If you want to open a file only when it exist, use status="old".
BTW, I find it quite useless to explicitly specify any ="unknown", just leave the argument out completely. But that is my personal style.
answered Mar 6 at 15:36
Vladimir FVladimir F
40.9k44072
@francescalus, The Fortran standard states forACTION=For a new file, the processor creates the file with a set of allowed actions that includes the specified action.
– Steve
Mar 6 at 22:36
add a comment |
You use status="unknown", that means the compiler can create the file for you so that you can read from it. If you want to open a file only when it exist, use status="old".
BTW, I find it quite useless to explicitly specify any ="unknown", just leave the argument out completely. But that is my personal style.
answered Mar 6 at 15:36
Vladimir FVladimir F
40.9k44072
@francescalus, The Fortran standard states forACTION=For a new file, the processor creates the file with a set of allowed actions that includes the specified action.
– Steve
Mar 6 at 22:36
add a comment |
You use status="unknown", that means the compiler can create the file for you so that you can read from it. If you want to open a file only when it exist, use status="old".
BTW, I find it quite useless to explicitly specify any ="unknown", just leave the argument out completely. But that is my personal style.
answered Mar 6 at 15:36
Vladimir FVladimir F
40.9k44072
You use status="unknown", that means the compiler can create the file for you so that you can read from it. If you want to open a file only when it exist, use status="old".
BTW, I find it quite useless to explicitly specify any ="unknown", just leave the argument out completely. But that is my personal style.
answered Mar 6 at 15:36
Vladimir FVladimir F
40.9k44072
answered Mar 6 at 15:36
Vladimir FVladimir F
40.9k44072
answered Mar 6 at 15:36
Vladimir FVladimir F
40.9k44072
answered Mar 6 at 15:36
Vladimir FVladimir F
40.9k44072
40.9k44072
@francescalus, The Fortran standard states forACTION=For a new file, the processor creates the file with a set of allowed actions that includes the specified action.
– Steve
Mar 6 at 22:36
add a comment |
@francescalus, The Fortran standard states forACTION=For a new file, the processor creates the file with a set of allowed actions that includes the specified action.
– Steve
Mar 6 at 22:36
@francescalus, The Fortran standard states for
ACTION= For a new file, the processor creates the file with a set of allowed actions that includes the specified action.– Steve
Mar 6 at 22:36
@francescalus, The Fortran standard states for
ACTION= For a new file, the processor creates the file with a set of allowed actions that includes the specified action.– Steve
Mar 6 at 22:36
add a comment |
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Use tag fortran for all Fortran questions.
– Vladimir F
Mar 6 at 15:34