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Speed up listing files in large directory, README.adoc typo fixed #97

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Speed up listing files in large directory, README.adoc typo fixed #97

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2 changes: 1 addition & 1 deletion README.adoc
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Original file line number Diff line number Diff line change
Expand Up @@ -10,4 +10,4 @@ image:https://github.com/{repository-owner}/{repository-name}/actions/workflows/
The SD library allows for reading from and writing to SD cards.

For more information about this library please visit us at
http://www.arduino.cc/en/Reference/repository-name}
http://www.arduino.cc/en/Reference/{repository-name}
11 changes: 6 additions & 5 deletions src/SD.cpp
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Expand Up @@ -587,7 +587,6 @@ namespace SDLib {

//Serial.print("\t\treading dir...");
while (_file->readDir(&p) > 0) {

// done if past last used entry
if (p.name[0] == DIR_NAME_FREE) {
//Serial.println("end");
Expand All @@ -607,14 +606,16 @@ namespace SDLib {
}

// print file name with possible blank fill
SdFile f;
char name[13];
_file->dirName(p, name);
//Serial.print("try to open file ");
//Serial.println(name);

if (f.open(_file, name, mode)) {
SdFile f;
uint16_t index = (_file->curPosition() - sizeof(dir_t) ) >> 5;

if (f.open(_file, index, mode)) {
//Serial.println("OK!");
char name[13];
_file->dirName(p, name);
return File(f, name);
} else {
//Serial.println("ugh");
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