From the course: C: Data Structures, Pointers, and File Systems

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Getting file information

Getting file information - C Tutorial

From the course: C: Data Structures, Pointers, and File Systems

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Getting file information

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- To gather information about a file, it's type, size, timestamps, and other trivia, you use the stat() function. This function is prototyped in the sys/stat header file which is included in this exercise file at line two. The stat() function requires two arguments as shown on line 10. A filename string, and I'm using alpha.txt which is included with the exercise files and it's declared as a string constant at line seven. The second argument to the stat() function is the address of a stat() structure, fstat here, which is declared at line eight. Two stat() structure members are accessed for output. The first printf statement at line 11 access the st_size member which lists the file size. The second printf statement at line 15 accesses the st_mtime member which contains a clock tick value representing when the file was last modified. Here at line 15, I'm using the ctime function to convert the clock tick value into a displayable string. Build and run. And you see that the stat()…

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