[Issue 10098] byLine should return empty string instead of null when line is empty
d-bugmail at puremagic.com
d-bugmail at puremagic.com
Wed Sep 18 05:35:21 PDT 2013
http://d.puremagic.com/issues/show_bug.cgi?id=10098
Andrej Mitrovic <andrej.mitrovich at gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords|pull |
Status|NEW |RESOLVED
Resolution| |INVALID
--- Comment #2 from Andrej Mitrovic <andrej.mitrovich at gmail.com> 2013-09-18 05:35:20 PDT ---
The test-case was invalid, the code worked as-is in 2.060+. Here's a better
example:
-----
import std.stdio;
import std.range;
void main()
{
auto fn1 = "foo1.txt";
auto fn2 = "foo2.txt";
scope(exit) std.file.remove(fn1);
scope(exit) std.file.remove(fn2);
std.file.write(fn1, "\n\n\n\n");
std.file.write(fn2, "a\nb\nc\n");
auto file1 = File(fn1, "r");
auto file2 = File(fn2, "r");
size_t lines1, lines2;
foreach (char[] line1, char[] line2; zip(StoppingPolicy.longest,
file1.byLine, file2.byLine))
{
// line1 or line2 should be null only if the files are exhausted,
// and not when the lines are empty (tested as true in 2.060+)
writefln(`line1 is null: %s - "%s"`, line1 is null, line1);
writefln(`line2 is null: %s - "%s"`, line2 is null, line2);
}
}
-----
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