Rexx - charin

This function is used to read one character at a time from a file. Sometimes programs require to read files character wise and hence this function can be used for this purpose.

Syntax

charin(filename)  

Parameters

• filename − This is the name of the file from which the character needs to be read from.

Return Value

A character read from the file.

Example

/* Main program */ 
chr = charin(Example.txt) 
say chr 

chr = charin(Example.txt) 
say chr 

chr = charin(Example.txt) 
say chr  

When we run the above program, we will get the following result.

Output

E 
x 
a