On Thursday, 25 April 2019 at 02:39:22 UTC, Andre Pany wrote:
On Wednesday, 24 April 2019 at 22:44:17 UTC, 0x10001 wrote:
Hello, i've hit some roadblocks while trying to learn D, i'll
try to explain each of them below :
[...]
Regarding question 1, I had the same question some days ago
https://forum.dlang.org/thread/akootxwiopsltifwd...@forum.dlang.org
For question 2, can you show your complete coding? It should
work, I assume there might be a subtitle issue in your logic.
Kind regards
Andre
Your workaround with " %s\n" worked perfectly, thank you! i
wasn't able to reproduce the second issue however despite the
source file not having changed since, if i encounter it again
i'll try to do what Erinaceus said.(Well i already did but since
i wasn't able to re-reproduce the problem it prints the same two
ubyte arrays.)
On Friday, 26 April 2019 at 09:04:26 UTC, Erinaceus wrote:
In case you have not solved the 3rd problem yet (your code is
almost there),
it can be fixed by replacing this line:
rawfile.écrire(uncompress(efile_buf2)); // alias for
std.file.write
with this one:
(filename ~ ".out").écrire(uncompress(efile_buf2));
The lines that open files using std.stdio.File are not needed
and can be removed:
File efile = File(filename, "r");
File rawfile = File(filename ~ ".out", "w");
std.file.write works pretty much like this:
void write(string filename, void[] writeThis) {
import std.stdio;
File f = File(filename, "w");
f.rawWrite(writeThis);
f.close();
}
It expects a filename as an argument (not a std.stdio.File
structure representing an open file). std.file.read also
expects a filename, your code is calling that one correctly.
Using std.stdio.File is not necessary here because
std.file.read/write open and close the files on their own.
About your 2nd problem: its hard to tell whats going on without
more complete code. You may want to inspect the problematic
string using something like this:
string correct = "test.txt";
string tricky = std.string.strip(readln());
writeln("c: ", cast(ubyte[]) correct);
writeln("t: ", cast(ubyte[]) tricky);
This is going to print numeric codes of all bytes in the string
and reveal any potentially invisible characters (like spaces,
line-ending markers, tabs etc.), like this:
c: [116, 101, 115, 116, 46, 116, 120, 116]
t: [116, 101, 115, 116, 46, 116, 120, 116, 13]
The changes you proposed worked, and thank you for your
explanation, i can't reproduce my second problem anymore but here
is the original code anyway :
import std.stdio;
import std.file;
void main() {
writeln();
string filename = strip(readln());
File file = File(filename, "r");
File ofile = File((filename ~ ".out"), "w");
if (exists(filename)) {
writeln("success : ","'", filename, "'");
} else writeln("bad");
}
