Read the ith last line of text from the text output window of LUSAS Modeller
| i | integer | The index of the desired line of text. The first (oldest) line is 0 | 
| Return value | string | The line of text from the output window. The new line character is automatically removed. | 
Example
To read and display the oldest line of text from the text window
 text = textWin.readLine 0
 call msgbox text
 
See also countLines writeLine
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