Finish lab report up to Task 2B

Signed-off-by: Warrick Lo <warrick.s.z.lo@gmail.com>

1 files changed, 26 insertions, 0 deletions

diff --git a/matlab/prep.sh b/matlab/prep.sh
new file mode 100644
index 0000000..a2def48
--- /dev/null
+++ b/matlab/prep.sh
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+#!/bin/sh
+
+# Prepare all waveform data for MATLAB processing.
+#
+# This script will:
+# 1.	sanitise the header before running MATLAB's readtable();
+# 2.	convert line endings from DOS to UNIX; and
+# 3.	rename files to have *.tsv file extensions.
+#
+# This script assumes all waveform data is tab-delimited and
+# stored in *.txt files.
+#
+# Usage: ./prep.sh
+
+files=$(ls -- *.txt)
+
+for i in $files; do
+	printf "Converting %s\n" "$i"
+
+	# Replace the header and convert DOS line endings (CRLF)
+	# to UNIX line endings (LF).
+	sed -i -e "1c time\tv1\tv2\tv3\ti1\ti2\ti3" -e "s/\x1D$//" "$i"
+
+	# Rename files to have TSV extensions.
+	mv "$i" "${i%.*}.tsv"
+done