copytext
copytext |
Purpose
Copy a part of a text or string.
Synopsis
function copytext(t:text|string, i1:integer, i2:integer):text
function copytext(t:text|string, ta:textarea):text
Arguments
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t
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A string or text object
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i1
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Starting position of the region to copy
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i2
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End position of the region to copy
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ta
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A text area object
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Return value
A copy of the region.
Example
The following:
writeln(copytext("abcdefgh",3,7))
writeln(copytext("abcdefgh",7,10))
produces this output:
cdefg gh
Further information
This function returns an empty text if the bounds are not compatible with the string (
e.g. starting position larger than the length of the string) or inconsistent (
e.g. starting position after end position).
Related topics
Module