44. File System Interaction
Tcl provides a platform-independent C API for working with files and directories. Using these functions instead of platform-native system calls makes your code more portable. The Tcl API also automatically handles any translation required between the Tcl-native UTF representation of character strings and the system encoding; all input and output string parameters for these functions are based on Tcl-native UTF-encoded strings. Furthermore, the Tcl API automatically supports Tcl’s virtual file systems. If the paths you provide as parameters to these functions represent locations in a virtual file system that your application has mounted (for example, a ZIP archive or an FTP site), the functions can access the files ...
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