Open a matlab file

Search MathWorks. Open Mobile Search. Off-Canvas Navigation Menu Toggle. Main Content. Syntax open name. Examples collapse all Open File. Open Live Script. Open File Not on Path. Create Function to Handle an Extension. Create the function opentxt. You have requested file: myTestFile. Input Arguments collapse all name — File or variable name character array string scalar. Search Answers Clear Filters. Answers Support MathWorks. Search Support Clear Filters.

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You may receive emails, depending on your communication preferences. How to open a. Show older comments. Priya on 27 Mar Vote 1. Commented: Areej Nayab on 25 Sep I'm trying to open a. The generated code does not report errors from invalid file identifiers.

Test whether fopen returns -1 , which indicates that the file open failed. For example The behavior of the generated code for fread is compiler-dependent when you:. Choose a web site to get translated content where available and see local events and offers. Based on your location, we recommend that you select:.

Select the China site in Chinese or English for best site performance. Other MathWorks country sites are not optimized for visits from your location. Toggle Main Navigation. Search MathWorks. Open Mobile Search. Off-Canvas Navigation Menu Toggle. Main Content. Request Name of File to Open. Open a file to write to a file using the Shift-JIS character encoding. Get Information About Open Files. Suppose you previously opened a file using fopen.

Input Arguments collapse all filename — Name of file to open character vector or string scalar. Discard existing contents, if any.

Append data to the end of the file. Write operations insert a carriage return before any newline character in the output. File identifier of an open file, specified as an integer. Data Types: double.

Tips In most cases, it is not necessary to open a file in text mode. Usage notes and limitations: Code generation does not support: The input arguments machinefmt , encodingIn , or fileID. The output argument errmsg. The syntax fopen 'all'.