<p><b>@fjmolinas</b> commented on this pull request.</p>

<hr>

<p>In <a href="https://github.com/RIOT-OS/RIOT/pull/12282#discussion_r326974897">cpu/esp32/Makefile.include</a>:</p>
<pre style='color:#555'>> @@ -167,11 +167,10 @@ PREFLASHER = $(ESPTOOL)
 PREFFLAGS  = --chip esp32 elf2image
 PREFFLAGS += -fm $(FLASH_MODE) -fs $(FLASH_SIZE) -ff $(FLASH_FREQ)
 PREFFLAGS += -o $(FLASHFILE).bin $(FLASHFILE);
-PREFFLAGS += echo "" > $(BINDIR)/partitions.csv;
-PREFFLAGS += echo "nvs, data, nvs, 0x9000, 0x6000" >> $(BINDIR)/partitions.csv;
-PREFFLAGS += echo "phy_init, data, phy, 0xf000, 0x1000" >> $(BINDIR)/partitions.csv;
-PREFFLAGS += echo -n "factory, app, factory, 0x10000, " >> $(BINDIR)/partitions.csv;
-PREFFLAGS += ls -l $(FLASHFILE).bin | awk '{ print $$5 }' >> $(BINDIR)/partitions.csv;
+PREFFLAGS += printf "" > $(BINDIR)/partitions.csv;
</pre>
⬇️ Suggested change
<pre style="color: #555">-PREFFLAGS += printf "" > $(BINDIR)/partitions.csv;
+PREFFLAGS += printf "\n" > $(BINDIR)/partitions.csv;
</pre>

<p>To keeps the same output.</p>

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