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#!/bin/bash - | |
#=============================================================================== | |
# FILE: Mind Trainder | |
# USAGE: ./mind_trainer.sh | |
# | |
# DESCRIPTION: Train your mind to quickly find your income as a freelancer. | |
# AUTHOR: Dr. Sandeep Sadanandan (sillyfellow), [email protected] | |
#=============================================================================== | |
set -o nounset # Treat unset variables as an error | |
function my_random() | |
{ | |
echo $(shuf -i $1-$2 -n 1) | |
} | |
# Of course, you could have rates like 55.5 per hour. | |
# But I am going with multiples of five. | |
function five_floor() | |
{ | |
NUMBER=$1 | |
ffREM=$((NUMBER % 5)) | |
echo $((NUMBER - ffREM)) | |
} | |
function check_correctness() | |
{ | |
EXPECTED=$1 | |
begin_time=`date +%s` | |
read COMPUTED < /dev/tty | |
end_time=`date +%s` | |
TIMETAKEN=$((end_time - begin_time)) | |
CORRECTNESS="Wrong!! (expected: $EXPECTED)" | |
[ $EXPECTED -eq $COMPUTED ] && CORRECTNESS="Correct!!!" | |
echo "You took $TIMETAKEN, and you were completely $CORRECTNESS" | |
} | |
function evaluate_hours() | |
{ | |
DAYS=$1 | |
echo "Find the total hours of work in $DAYS days" | |
check_correctness $((DAYS * 8)) | |
} | |
function evaluate_netto() | |
{ | |
DAYS=$1 | |
RATE=$2 | |
echo "Now tell me your netto at a rate of $RATE!" | |
check_correctness $((DAYS * 8 * RATE)) | |
} | |
function evaluation_round() | |
{ | |
DAYCOUNT=$(my_random 8 18) | |
HOURRATE=$(five_floor $(my_random 70 131)) | |
evaluate_hours $DAYCOUNT | |
evaluate_netto $DAYCOUNT $HOURRATE | |
} | |
while true | |
do | |
evaluation_round | |
echo "" | |
done |
Of course, no real error checking.
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Example output
Once wrong, and once correct.