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experiment.sh

#!/bin/bash

clear

BORDER=$(printf '=%.0s' {1..80})\\n
HEADER="%-10s %8s  %-10s %24s %11s\n"
FORMAT="%-10s %8d  %-10s %11.2f\n"
WIDTH=150
# not defined, what should this be?
# DIVIDER="DIVIDER"

OUTPUT_FILENAME=experimentation.csv

# delete the file if it exists
[ -f "$OUTPUT_FILENAME" ] && rm $OUTPUT_FILENAME

# write header to file
printf "$BORDER" | tee -a $OUTPUT_FILENAME
printf "$HEADER" "SORT NUM" "2^n" "Output" "Elapsed Time" | tee -a $OUTPUT_FILENAME
printf "%$WIDTH.${WIDTH}s\n" "$DIVIDER" | tee -a $OUTPUT_FILENAME

for x in {1..5}; do
  for n in {4..12}; do
    exponent=$((2**n))
    # save output from 'my_sort' so it can be written to file
    result="$(./my_sort $x $n)"
    REPLACE_ME=$(((RANDOM % 10) + 100))
    printf "$FORMAT" "$x" "$n" "$result" "$REPLACE_ME" | tee -a $OUTPUT_FILENAME
  done
done


# Example output:
# SORT NUM        2^n  Output                 Elapsed Time

# 1                 4  output-from-process    108.00
# 1                 5  output-from-process    107.00
# 1                 6  output-from-process    101.00
# 1                 7  output-from-process    105.00
# 1                 8  output-from-process    106.00
# 1                 9  output-from-process    106.00
# 1                10  output-from-process    101.00