How to Achieve Right Alignment Using Format Specifiers in C ?

Format Output String with Right Alignment

When handling data with multiple columns, aligning data in each column is often important for readability. This is especially true when dealing with tabular data like coordinates.

To achieve right alignment in C , you can use the format specifier syntax. This allows you to specify the minimum width and padding for each field. By using the > character in the format specifier, you can right-align the data.

For example, consider the following code to write coordinates to a text file:

<code class="cpp">string words[] = line.split();
string line_new = words[0] + '  ' + words[1] + '  ' + words[2];</code>

To format the output with right alignment, you can use the fmt function along with format specifiers:

<code class="cpp">string line_new = fmt::format("{:&>12}  {:&>12}  {:&>12}", words[0], words[1], words[2]);</code>

Here, each format specifier indicates the minimum width (12 characters) and right alignment (indicated by >). By using this approach, you can ensure that the data in each column is properly aligned in the output text file.

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