From b1f7d55be3ef590521653a184b2f948aacac6d84 Mon Sep 17 00:00:00 2001
From: jdreichmann <johanna.reichmann@delta-industries.de>
Date: Sat, 6 Jul 2019 16:30:08 +0200
Subject: [PATCH] add script to create block with random data and script to
 write file into block and keep track of offset and files

---
 .gitignore  |  2 ++
 insert.sh   | 18 ++++++++++++++++++
 mk_block.sh |  1 +
 3 files changed, 21 insertions(+)
 create mode 100644 .gitignore
 create mode 100755 insert.sh
 create mode 100755 mk_block.sh

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..0b64e6e
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+/files/
+/fs/
diff --git a/insert.sh b/insert.sh
new file mode 100755
index 0000000..7162a36
--- /dev/null
+++ b/insert.sh
@@ -0,0 +1,18 @@
+#!/bin/bash
+
+FILE=$1
+
+# Get size of file and current offset
+SIZE=$(stat --printf="%s" $FILE)
+OFFSET=$(cat ./fs/offset)
+
+# Write file into block
+dd if=$1 of="./fs/0.block" seek=$OFFSET oflag=seek_bytes
+RESULT=$?
+
+if [[ "$RESULT" == "0" ]]; then
+	# Append index and update offset
+	echo "$FILE;$OFFSET;$SIZE" >> ./fs/fileIndex
+	echo $((( $OFFSET + $SIZE ))) > ./fs/offset
+	echo "file inserted"
+fi;
diff --git a/mk_block.sh b/mk_block.sh
new file mode 100755
index 0000000..3ef403a
--- /dev/null
+++ b/mk_block.sh
@@ -0,0 +1 @@
+dd if=/dev/urandom of=fs/0.block bs=1024k count=64