Initialize

fileop.h

@@ -0,0 +1,46 @@
+#ifndef _UTIL_FILEOP_H
+#define _UTIL_FILEOP_H
+#include <string>
+
+namespace fileop {
+    /**
+     * @brief Check file exists
+     * @param fn File name
+     * @returns Whether file exists or not
+    */
+    bool exists(std::string fn);
+    /**
+     * @brief Remove file
+     * @param fn File name
+     * @param print_error Print error message
+     * @returns true if successed
+    */
+    bool remove(std::string fn, bool print_error = false);
+    /**
+     * @brief Get directory name from path
+     * @param fn Path
+     * @returns Directory. If path does not contain a slash, will return "".
+    */
+    std::string dirname(std::string fn);
+    /**
+     * @brief Detect if path is a url.
+     * @param fn Path
+     * @return true if is a url.
+    */
+    bool is_url(std::string fn);
+    /**
+     * @brief Get file name from path
+     * @param fn Path
+     * @return File name.
+    */
+    std::string basename(std::string fn);
+    /**
+     * @brief Parse size string
+     * @param size size string. Such as "10KiB", "10", "34B", "48K"
+     * @param fs size
+     * @param is_byte Whether to return bits or bytes
+     * @return true if successed.
+    */
+    bool parse_size(std::string size, size_t& fs, bool is_byte = true);
+}
+#endif