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c:stdio.h:rename [2024/02/16 01:05] (current) |
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+ | {{keywords>wiki library source code example reference}} | ||
+ | |||
+ | ====== rename ====== | ||
+ | |||
+ | <code c> | ||
+ | |||
+ | int rename(const char *old_filename, const char *new_filename); | ||
+ | |||
+ | </code> | ||
+ | |||
+ | Changes name of file oldname to newname. Returns non-zero on failure. | ||
+ | |||
+ | ===== Example Source ===== | ||
+ | <code c> | ||
+ | /* | ||
+ | * rename example code | ||
+ | * http://code-reference.com/c/stdio.h/rename | ||
+ | */ | ||
+ | |||
+ | #include <stdio.h> /* including standard library */ | ||
+ | //#include <windows.h> /* uncomment this for Windows */ | ||
+ | |||
+ | #define FILENAME "test_tmp.txt" | ||
+ | |||
+ | int main ( void ) | ||
+ | { | ||
+ | FILE *tmpfile; | ||
+ | char string[20]; | ||
+ | tmpfile = fopen(FILENAME, "w"); | ||
+ | |||
+ | if (tmpfile == 0 ) { | ||
+ | perror("cannot open file"); | ||
+ | } | ||
+ | |||
+ | fprintf (tmpfile, "temporary file for c remove example\n"); | ||
+ | fclose(tmpfile); | ||
+ | |||
+ | rename (FILENAME,"test_new.txt"); | ||
+ | |||
+ | return 0; | ||
+ | } | ||
+ | </code> | ||
+ | |||
+ | ==== output ==== | ||
+ | ./rename | ||
+ | |||
+ | file will be created | ||
+ | write text into file "temporary file for c rename example" | ||
+ | |||
+ | file will be renamed into test_new.txt | ||