Reading a Text File Character by Character
Let’s learn how to read a text file one character at a time.
We'll cover the following
How to read a text file character by character
In this lesson, we’ll learn how to read a text file character by character, which is a pretty rare requirement unless we want to develop a text editor. We take each line that we read and split it using a for
loop with range
, which returns two values. We discard the first, which is the location of the current character in the line variable, and we use the second. However, that value is a rune, which means that we have to convert it into a character using string()
.
Coding example
The implementation of charByChar()
is as follows:
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