From cbb1f59715f180fcf32434af379aea180522bae2 Mon Sep 17 00:00:00 2001
From: xengineering <me@xengineering.eu>
Date: Mon, 24 Jan 2022 15:31:47 +0100
Subject: Add download script

---
 pcb/.gitignore  |  1 +
 pcb/download.sh | 31 +++++++++++++++++++++++++++++++
 pcb/parts.tsv   |  4 ++--
 3 files changed, 34 insertions(+), 2 deletions(-)
 create mode 100644 pcb/.gitignore
 create mode 100755 pcb/download.sh

diff --git a/pcb/.gitignore b/pcb/.gitignore
new file mode 100644
index 0000000..06cf653
--- /dev/null
+++ b/pcb/.gitignore
@@ -0,0 +1 @@
+cache
diff --git a/pcb/download.sh b/pcb/download.sh
new file mode 100755
index 0000000..dfe1be9
--- /dev/null
+++ b/pcb/download.sh
@@ -0,0 +1,31 @@
+#!/bin/sh
+
+
+# constants
+DOCUMENTS_FILE='documents.tsv'
+CACHE='./cache'  # target folder for all downloads
+
+
+# strip first line of table file
+TABLE=$(sed '1d' "${DOCUMENTS_FILE}")
+
+# create chache folder
+mkdir -p ${CACHE}
+
+# download each document and save it to the cache directory
+echo "${TABLE}" | while read -r line  # read each line of table
+do
+
+	FILENAME=$(echo "$line" | awk -F '\t' '{print $1}')  # column 1 -> filename
+	URL=$(echo "$line" | awk -F '\t' '{print $2}')       # column 2 -> URL
+
+	# actual download of one document
+	printf 'Downloading %s/%s ...' "${CACHE}" "${FILENAME}"
+	if wget -qO "${CACHE}/${FILENAME}" "${URL}" 2> /dev/null
+	then
+		printf " ok\n"        # if wget returned with exit code 0
+	else
+		printf " error!\n"    # in any other case
+	fi
+
+done
diff --git a/pcb/parts.tsv b/pcb/parts.tsv
index 4d26904..6db039f 100644
--- a/pcb/parts.tsv
+++ b/pcb/parts.tsv
@@ -1,5 +1,5 @@
 Name	Quantity	Type	Manufacturer
-STM32F103C8T6	1	MCU	ST
-L7805CV	1	Power converter	ST
+STM32F103C8T6	1	MCU	STMicroelectronics
+L7805CV	1	Power converter	STMicroelectronics
 IRF840A	1	MOSFET	Infineon Technologies
 IR2127	1	MOSFET Driver	Infineon Technologies
-- 
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