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The snippet library.
Small, practical examples. Search by task or narrow things down below.
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Append text to a file
Open a C++ stream in append mode and verify the write.
C++✓ Tested
Create nested directories
Use C++17 filesystem to create a directory tree.
C++✓ Tested
Read a file line by line
Read C++ text lines without loading the whole file at once.
C++✓ Tested
Read a filename extension
Extract the final extension from a C++ filesystem path.
C++✓ Tested
Write a text file
Write and close a C++ output file while checking stream failure.
C++✓ Tested