\u06a9\u0627\u0631 \u0628\u0627 \u0641\u0627\u06cc\u0644\u200c\u0647\u0627 \u0686\u0647 \u062f\u0631 \u062a\u0648\u0633\u0639\u0647 \u0646\u0631\u0645\u200c\u0627\u0641\u0632\u0627\u0631 \u0648 \u0686\u0647 \u062f\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0631\u0648\u0632\u0645\u0631\u0647 \u0627\u0632 \u06a9\u0627\u0645\u067e\u06cc\u0648\u062a\u0631 \u0628\u0633\u06cc\u0627\u0631 \u0631\u0627\u06cc\u062c \u0627\u0633\u062a. \u06a9\u0627\u0631\u0628\u0631\u0627\u0646 \u0645\u0639\u0645\u0648\u0644\u0627\u064b \u0628\u0631\u0627\u06cc \u0627\u0646\u062c\u0627\u0645 \u06a9\u0627\u0631\u0647\u0627\u06cc\u06cc \u0645\u062b\u0644 \u0630\u062e\u06cc\u0631\u0647 \u0641\u0627\u06cc\u0644 \u062f\u0627\u0646\u0644\u0648\u062f\u0634\u062f\u0647 \u06cc\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u062f\u0631 \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0647\u0627\u06cc \u062f\u06cc\u06af\u0631\u060c \u0641\u0627\u06cc\u0644\u200c\u0647\u0627 \u0631\u0627 \u062f\u0631 \u067e\u0648\u0634\u0647\u200c\u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u0645\u06cc\u200c\u062e\u0648\u0627\u0646\u0646\u062f \u0648 \u0645\u06cc\u200c\u0646\u0648\u06cc\u0633\u0646\u062f. \u0628\u0647 \u0647\u0645\u06cc\u0646 \u0634\u06a9\u0644\u060c \u06cc\u06a9 \u0628\u0631\u0646\u0627\u0645\u0647 \u0628\u06a9\u200c\u0627\u0646\u062f \u06cc\u0627 \u0627\u0628\u0632\u0627\u0631 \u062e\u0637 \u0641\u0631\u0645\u0627\u0646 (CLI) \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0628\u0631\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647 \u062f\u0627\u062f\u0647\u200c\u0647\u0627\u06cc \u062f\u0627\u0646\u0644\u0648\u062f\u0634\u062f\u0647 \u0646\u06cc\u0627\u0632 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f \u0622\u0646\u200c\u0647\u0627 \u0631\u0627 \u062f\u0631 \u0641\u0627\u06cc\u0644 \u0630\u062e\u06cc\u0631\u0647 \u06a9\u0646\u062f\u060c \u06cc\u0627 \u06cc\u06a9 \u0628\u0631\u0646\u0627\u0645\u0647 \u062f\u0627\u062f\u0647\u200c\u0645\u062d\u0648\u0631 \u0644\u0627\u0632\u0645 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0631\u0627 \u062f\u0631 \u0642\u0627\u0644\u0628\u200c\u0647\u0627\u06cc JSON\u060c CSV \u06cc\u0627 Excel \u062e\u0631\u0648\u062c\u06cc \u0628\u06af\u06cc\u0631\u062f. \u0627\u06cc\u0646 \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0647\u0627 \u0628\u0627\u06cc\u062f \u0628\u062a\u0648\u0627\u0646\u0646\u062f \u0628\u0627 \u0641\u0627\u06cc\u0644\u200c\u0633\u06cc\u0633\u062a\u0645 \u0633\u06cc\u0633\u062a\u0645\u200c\u0639\u0627\u0645\u0644 \u0627\u0631\u062a\u0628\u0627\u0637 \u0628\u0631\u0642\u0631\u0627\u0631 \u06a9\u0646\u0646\u062f.<\/p>\n
\u062f\u0631 Node.js \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u0627\u0698\u0648\u0644 \u062f\u0627\u062e\u0644\u06cc fs \u0628\u0647\u200c\u0635\u0648\u0631\u062a \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0646\u0648\u06cc\u0633\u06cc \u0641\u0627\u06cc\u0644\u200c\u0647\u0627 \u0631\u0627 \u0645\u062f\u06cc\u0631\u06cc\u062a \u06a9\u0646\u06cc\u062f. \u0646\u0627\u0645 fs \u0645\u062e\u0641\u0641 \u201cFile System\u201d \u0627\u0633\u062a \u0648 \u0634\u0627\u0645\u0644 \u062a\u0645\u0627\u0645 \u062a\u0648\u0627\u0628\u0639 \u0645\u0648\u0631\u062f\u0646\u06cc\u0627\u0632 \u0628\u0631\u0627\u06cc \u062e\u0648\u0627\u0646\u062f\u0646\u060c \u0646\u0648\u0634\u062a\u0646 \u0648 \u062d\u0630\u0641 \u0641\u0627\u06cc\u0644\u200c\u0647\u0627 \u0631\u0648\u06cc \u0633\u06cc\u0633\u062a\u0645 \u0645\u062d\u0644\u06cc \u0645\u06cc\u200c\u0634\u0648\u062f. \u0647\u0645\u06cc\u0646 \u0642\u0627\u0628\u0644\u06cc\u062a \u0628\u0627\u0639\u062b \u0634\u062f\u0647 \u062c\u0627\u0648\u0627\u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0631\u0627\u06cc \u062a\u0648\u0633\u0639\u0647 \u0628\u06a9\u200c\u0627\u0646\u062f \u0648 \u0627\u0628\u0632\u0627\u0631\u0647\u0627\u06cc \u062e\u0637 \u0641\u0631\u0645\u0627\u0646 \u0646\u06cc\u0632 \u06af\u0632\u06cc\u0646\u0647 \u0645\u0646\u0627\u0633\u0628\u06cc \u0628\u0627\u0634\u062f.<\/p>\n
\u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u0627\u0698\u0648\u0644 fs \u06cc\u0627\u062f \u0645\u06cc\u200c\u06af\u06cc\u0631\u06cc\u062f \u0686\u06af\u0648\u0646\u0647:<\/p>\n
\u0645\u0627\u0698\u0648\u0644 fs \u0627\u0632 \u0631\u0648\u0634\u200c\u0647\u0627\u06cc synchronous\u060c asynchronous \u0648 stream \u0628\u0631\u0627\u06cc \u06a9\u0627\u0631 \u0628\u0627 \u0641\u0627\u06cc\u0644\u200c\u0647\u0627 \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u06cc \u0645\u06cc\u200c\u06a9\u0646\u062f. \u062f\u0631 \u0627\u06cc\u0646 \u0622\u0645\u0648\u0632\u0634 \u0631\u0648\u06cc API \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 Promise \u0648 async\/await \u062a\u0645\u0631\u06a9\u0632 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u0631\u0627\u06cc\u062c\u200c\u062a\u0631\u06cc\u0646 \u0631\u0648\u0634 \u0628\u06cc\u0646 \u062a\u0648\u0633\u0639\u0647\u200c\u062f\u0647\u0646\u062f\u06af\u0627\u0646 Node.js \u0627\u0633\u062a.<\/p>\n
\u0628\u0631\u0627\u06cc \u0627\u0646\u062c\u0627\u0645 \u0627\u06cc\u0646 \u0622\u0645\u0648\u0632\u0634 \u0628\u0627\u06cc\u062f \u0645\u0648\u0627\u0631\u062f \u0632\u06cc\u0631 \u0631\u0627 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f:<\/p>\n
\u062f\u0631 \u0627\u06cc\u0646 \u0628\u062e\u0634 \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0627\u06cc \u0645\u06cc\u200c\u0646\u0648\u06cc\u0633\u06cc\u062f \u06a9\u0647 \u0641\u0627\u06cc\u0644\u200c\u0647\u0627 \u0631\u0627 \u062f\u0631 Node.js \u0628\u062e\u0648\u0627\u0646\u062f.<\/p>\n
\u0627\u0628\u062a\u062f\u0627 \u067e\u0648\u0634\u0647 \u067e\u0631\u0648\u0698\u0647 \u0631\u0627 \u0628\u0633\u0627\u0632\u06cc\u062f:<\/p>\n
mkdir<\/span> node-files<\/code><\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\u0648\u0627\u0631\u062f \u067e\u0648\u0634\u0647 \u0634\u0648\u06cc\u062f:<\/p>\n
\n\n\n\n\n\n\n\n\n<\/div>\n<\/div>\n<\/div>\n\n\n\n\n\ncd<\/span> node-files<\/code><\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\u06cc\u06a9 \u0641\u0627\u06cc\u0644 \u0645\u062a\u0646\u06cc \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u062f:<\/p>\n
\n\n\n\n\n\n\n\n\n<\/div>\n<\/div>\n<\/div>\n\n\n\n\n\necho<\/span> \"hello, hola, bonjour, hallo\"<\/span> > greetings.txt<\/code><\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\u0633\u067e\u0633 \u0641\u0627\u06cc\u0644 \u062c\u0627\u0648\u0627\u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0628\u0633\u0627\u0632\u06cc\u062f:<\/p>\n
\n\n\n\n\n\n\n\n\n<\/div>\n<\/div>\n<\/div>\n\n\n\n\n\nnano readFile.js<\/code><\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\u06a9\u062f \u0632\u06cc\u0631 \u0631\u0627 \u062f\u0627\u062e\u0644 \u0641\u0627\u06cc\u0644 \u0642\u0631\u0627\u0631 \u062f\u0647\u06cc\u062f:<\/p>\n
\n\n\n\n\n\n\n\n\n<\/div>\n<\/div>\n<\/div>\n\n\n\n\n\nconst<\/span> fs<\/span> =<\/span> require<\/span>('fs'<\/span>).<\/span>promises;\r\n\r\nasync<\/span> function<\/span> readFile<\/span>(filePath<\/span>) {\r\n try<\/span> {\r\n const<\/span> data<\/span> =<\/span> await<\/span> fs<\/span>.<\/span>readFile(filePath<\/span>);\r\n console<\/span>.<\/span>log(data<\/span>.<\/span>toString());\r\n } catch<\/span> (error<\/span>) {\r\n console<\/span>.<\/span>error(`Got an error trying to read the file: <\/span>${error<\/span>.<\/span>message}`<\/span>);\r\n }\r\n}\r\n\r\nreadFile<\/span>('greetings.txt'<\/span>);<\/code><\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\u0627\u062c\u0631\u0627\u06cc \u0641\u0627\u06cc\u0644:<\/p>\n
\n\n\n\n\n\n\n\n\n<\/div>\n<\/div>\n<\/div>\n\n\n\n\n\nnode<\/span> readFile.js<\/code><\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\u062e\u0631\u0648\u062c\u06cc:<\/p>\n
\n\n\n\n\n\n\n\n\n<\/div>\n<\/div>\n<\/div>\n\n\n\n\n\nhello, hola, bonjour, hallo<\/code><\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\u062f\u0631 \u0627\u06cc\u0646 \u0645\u062b\u0627\u0644:<\/p>\n
\n- \u0645\u0627\u0698\u0648\u0644 fs \u0627\u06cc\u0645\u067e\u0648\u0631\u062a \u0634\u062f\u0647<\/li>\n
- \u0641\u0627\u06cc\u0644 \u0628\u0627 readFile() \u062e\u0648\u0627\u0646\u062f\u0647 \u0634\u062f\u0647<\/li>\n
- \u062f\u0627\u062f\u0647 Buffer \u0628\u0647 \u0645\u062a\u0646 \u062a\u0628\u062f\u06cc\u0644 \u0634\u062f\u0647<\/li>\n<\/ul>\n
\n\u0645\u0631\u062d\u0644\u0647 \u062f\u0648\u0645 \u2014 \u0646\u0648\u0634\u062a\u0646 \u0641\u0627\u06cc\u0644 \u0628\u0627 writeFile()<\/h1>\n
\u062f\u0631 \u0627\u06cc\u0646 \u0628\u062e\u0634 \u0641\u0627\u06cc\u0644 CSV \u0645\u06cc\u200c\u0633\u0627\u0632\u06cc\u062f \u0648 \u062f\u0627\u062f\u0647 \u062f\u0627\u062e\u0644 \u0622\u0646 \u0630\u062e\u06cc\u0631\u0647 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u062f.<\/p>\n
\u0641\u0627\u06cc\u0644 \u062c\u062f\u06cc\u062f \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u062f:<\/p>\n
\n\n\n\n\n\n\n\n\n<\/div>\n<\/div>\n<\/div>\n\n\n\n\n\nnano writeFile.js<\/code><\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\u06a9\u062f \u0632\u06cc\u0631 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f:<\/p>\n
\n\n\n\n\n\n\n\n\n<\/div>\n<\/div>\n<\/div>\n\n\n\n\n\nconst<\/span> fs<\/span> =<\/span> require<\/span>('fs'<\/span>).<\/span>promises;\r\n\r\nasync<\/span> function<\/span> openFile<\/span>() {\r\n try<\/span> {\r\n const<\/span> csvHeaders<\/span> =<\/span> 'name,quantity,price'<\/span>\r\n await<\/span> fs<\/span>.<\/span>writeFile('groceries.csv'<\/span>, csvHeaders<\/span>);\r\n } catch<\/span> (error<\/span>) {\r\n console<\/span>.<\/span>error(`Got an error trying to write to a file: <\/span>${error<\/span>.<\/span>message}`<\/span>);\r\n }\r\n}\r\n\r\nasync<\/span> function<\/span> addGroceryItem<\/span>(name<\/span>, quantity<\/span>, price<\/span>) {\r\n try<\/span> {\r\n const<\/span> csvLine<\/span> =<\/span> `<\/span>\\n<\/span>${name<\/span>},<\/span>${quantity<\/span>}