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Advanced Fortran Programming : 027 : Processing Files - Sequential Files Video Lecture | Introduction to Fortran Programming (AdvancedLevel) - Database Management

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FAQs on Advanced Fortran Programming : 027 : Processing Files - Sequential Files Video Lecture - Introduction to Fortran Programming (AdvancedLevel) - Database Management

1. What is sequential file processing in Fortran?
Ans. Sequential file processing in Fortran refers to the method of reading or writing data from or to a file in a sequential manner, one record at a time. It involves opening a file, reading or writing data sequentially, and then closing the file.
2. How can I open a sequential file in Fortran?
Ans. To open a sequential file in Fortran, you can use the OPEN statement with the appropriate file name and file access mode. For example, to open a file named "data.txt" for reading, you can use the following statement: OPEN(UNIT=1, FILE='data.txt', STATUS='OLD', ACTION='READ').
3. How do I read data from a sequential file in Fortran?
Ans. To read data from a sequential file in Fortran, you can use the READ statement. First, you need to specify the file unit number (which was used to open the file) and the variables to store the data. For example, to read an integer and a real number from a file with unit number 1, you can use the following statement: READ(1, *) integer_variable, real_variable.
4. How can I write data to a sequential file in Fortran?
Ans. To write data to a sequential file in Fortran, you can use the WRITE statement. Similar to the READ statement, you need to specify the file unit number and the variables containing the data you want to write. For example, to write an integer and a real number to a file with unit number 1, you can use the following statement: WRITE(1, *) integer_variable, real_variable.
5. How do I close a sequential file in Fortran?
Ans. To close a sequential file in Fortran, you can use the CLOSE statement with the file unit number. For example, to close a file with unit number 1, you can use the following statement: CLOSE(1). It is important to close the file after you finish reading or writing data to ensure proper file handling and release of system resources.
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