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Add Bash and Erlang scripts #2

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Add Bash and Erlang scripts #2

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27 changes: 27 additions & 0 deletions programmers_day.escript
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Original file line number Diff line number Diff line change
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#!/usr/bin/env escript
%% -*- erlang -*-
%% By: Jorge Luna seguidor777@gmail.com

day_difference(D1, D2) ->
%% Source: https://gist.github.com/zaphar/104903
Days1 = calendar:date_to_gregorian_days(D1),
Days2 = calendar:date_to_gregorian_days(D2),
Days1 - Days2
.

main(_) ->
{{Y, M, D}, _ } = calendar:local_time(),
CurrentDate = {Y, M, D},

%% Here comes the tricky part
%% Reset the year to the first day
BeginningOfYear = {Y, 1, 1},

%% Obtain the difference
DayOfYear = day_difference(CurrentDate, BeginningOfYear),

if
DayOfYear == 255 -> io:fwrite("Happy programmers day!!\n");
true -> io:fwrite("Happy normal day!!\n")
end
.
8 changes: 8 additions & 0 deletions programmers_day.sh
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Original file line number Diff line number Diff line change
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#!/bin/bash
# By: Jorge Luna seguidor777@gmail.com

if [ $(date +%j) -eq 256 ]; then
echo "Happy programmers day!!"
else
echo "Happy normal day!!"
fi