transpose

#!/bin/bash
#
# Usage:
#   transpose <file>.csv

# use the right `transpose-csv.rb`
if test ! $(which transpose); then
  # local
  _transpose="./transpose-csv.rb"
else
  # symlink, after running `script/bootstrap`
  _transpose="$(which transpose)-csv.rb"
fi

_inputfile=${1}
_extension="${_inputfile##*.}"

if [ "${_extension}" != "csv" ]; then
  echo "ERROR: '${_inputfile}' it not a '*.csv' file"
  exit 1
fi

if [ ! -f "${_inputfile}" ]; then
  echo "ERROR: '${_inputfile}' not found"
  exit 1
fi

_outputfile="${_inputfile%%.*}-transposed.csv"
# _outputfile="${_inputfile%%.*}-`date +%Y-%m-%d`.csv"

"${_transpose}" "${_inputfile}"

echo "SUCCESS: '${_outputfile}' created"
exit 0