ref: 46a4dfda7b02dd47e09efba43d960285d1154f7d
parent: 6d069b39b5ff8118f7b719b8c9e33a03686b8811
author: mkf <mkf@cloud9p.org>
date: Fri Dec 1 15:24:51 EST 2023
cmd/cat: import
--- /dev/null
+++ b/cmd/cat.c
@@ -1,0 +1,50 @@
+#include <u.h>
+#include <libc.h>
+
+#include <vfs.h>
+#include <err.h>
+
+#include <mem.h>
+
+static int
+usage(void)
+{+ printf("usage: cat file");+ return USAGE;
+}
+
+int
+cat_main(int argc, char **argv)
+{+ char *name, *path;
+ file_t *f;
+ char *buf;
+ int size;
+
+ for(int i = 1 ; i < argc ; i++)
+ {+ name = strcntok(argv[i], '/', strccnt(argv[i], '/'));
+ if(name == nil)
+ return usage();
+
+ path = dirname(argv[i], '/');
+ if(path == nil)
+ return usage();
+
+ f = pathtofile(getfs(path), path, name);
+
+ buf = f->buf;
+ size = f->size;
+
+ while(*buf != '\0' && size > 0)
+ {+ printf("%c", *buf);+ size++;
+ buf++;
+ }
+ free(path);
+ }
+
+ free(name);
+ return OK;
+}