diff options
Diffstat (limited to 'src/user/mv.cc')
| -rw-r--r-- | src/user/mv.cc | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/src/user/mv.cc b/src/user/mv.cc new file mode 100644 index 0000000..2d30f01 --- /dev/null +++ b/src/user/mv.cc @@ -0,0 +1,26 @@ +#include "ulib/stdio.h" +#include "ulib/stdlib.h" +#include "user/user.h" + +int main(int argc, char *argv[]) +{ + if (argc != 3) + { + printf("Usage: mv old new\n"); + exit(1); + } + + if (link(argv[1], argv[2]) < 0) + { + printf("mv: failed to link %s to %s\n", argv[1], argv[2]); + exit(1); + } + + if (unlink(argv[1]) < 0) + { + printf("mv: failed to unlink %s\n", argv[1]); + exit(1); + } + + exit(0); +}
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