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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 $files; do
printf "Preparing %s\n" "$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
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