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Name:

readfile reads the content of a file into a string variable

Usage:

readfile(filename) : string -> string

Parameters:

filename represents a character sequence indicating a file name

Description:

readfile opens the file indicated by filename, reads it and puts its contents in a character sequence of type string that is returned.

If the file indicated by filename cannot be opened for reading, a warning is displayed and readfile evaluates to an error variable of type error.

Example 1:

   > print("Hello world") > "myfile.txt";
   > t = readfile("myfile.txt");
   > t;
   Hello world

Example 2:

   > verbosity=1!;
   > readfile("afile.txt");
   Warning: the file "afile.txt" could not be opened for reading.
   Warning: at least one of the given expressions or a subexpression is not correctly typed
   or its evaluation has failed because of some error on a side-effect.
   error

See also: parse, execute, write, print, bashexecute, error

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