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Fortran / Files and Formatting

Read file records

Learn Read file records in Fortran through a focused explanation, a dedicated topic-specific example, an engineering boundary, and a mastery check.

12 min read • Advanced

Read file records is a focused Fortran lesson inside Files and Formatting. The example uses the construct named in the lesson directly rather than reusing a generic placeholder.

Trace the example from its inputs through Read file records and identify the behavior that would change if that construct were removed or replaced. Pay attention to the language-specific rules shown by the syntax, because neighboring lessons intentionally exercise different mechanisms.

Topic-specific example

fortran-0066-1ff42c40b0.f90
fortran Try It Live 
open(unit=10, file="note.txt", status="replace", action="write")
write(10, "(A)") "Fortran file example"
close(10)
print *, maxval([2,9,4])
Edge case / engineering note

For Read file records, test one realistic boundary: empty data, invalid input, unavailable resources, lifetime/cleanup, type constraints, or concurrency timing where applicable. A successful happy path is not enough to prove the construct is used correctly.

Content source & attribution
Original Syntaxis Content · Original Syntaxis Content

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