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alpar@9
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1 /* cal.mod - print an ASCII calendar of the given year */
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alpar@9
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2
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alpar@9
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3 /* Written in GNU MathProg by Andrew Makhorin <mao@gnu.org> */
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alpar@9
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4
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alpar@9
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5 param year, integer, >= 0001, <= 3999, default 2010;
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alpar@9
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6
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alpar@9
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7 param first_day{m in 1..12}, integer, >= 0, <= 6, :=
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alpar@9
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8 time2str(str2time(year & "-" & m & "-01", "%Y-%m-%d"), "%w");
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alpar@9
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9
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alpar@9
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10 param days_in_month{m in 1..12}, integer, >= 28, <= 31, :=
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alpar@9
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11 (str2time(year + (if m < 12 then 0 else 1) & "-" &
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alpar@9
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12 (if m < 12 then m+1 else 1) & "-01", "%Y-%m-%d") -
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alpar@9
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13 str2time(year & "-" & m & "-01", "%Y-%m-%d")) / 86400;
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alpar@9
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14
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alpar@9
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15 param foo{m in 1..12, k in 0..5, d in 0..6}, integer, :=
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alpar@9
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16 7 * k + d + 1 - first_day[m];
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alpar@9
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17
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alpar@9
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18 param cal{m in 1..12, k in 0..5, d in 0..6}, integer, :=
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alpar@9
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19 if 1 <= foo[m,k,d] and foo[m,k,d] <= days_in_month[m] then
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alpar@9
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20 foo[m,k,d];
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alpar@9
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21
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alpar@9
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22 printf "\n";
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alpar@9
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23 printf "%33s%04d\n", "", year;
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alpar@9
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24 printf "\n";
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alpar@9
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25 for {t in 1..12 by 3}
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alpar@9
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26 { for {m in t..t+2}
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alpar@9
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27 { printf "%7s%-14s", "", time2str(str2time(m, "%m"), "%B");
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alpar@9
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28 printf{0..0: m < t+2} " ";
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alpar@9
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29 }
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alpar@9
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30 printf "\n";
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alpar@9
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31 for {m in t..t+2}
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alpar@9
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32 { printf " S M Tu W Th F S";
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alpar@9
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33 printf{0..0: m < t+2} " ";
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alpar@9
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34 }
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alpar@9
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35 printf "\n";
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alpar@9
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36 for {k in 0..5}
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alpar@9
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37 { for {m in t..t+2}
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alpar@9
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38 { for {d in 0..6}
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alpar@9
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39 { printf{0..0: cal[m,k,d] = 0} " ";
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alpar@9
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40 printf{0..0: cal[m,k,d] != 0} " %2d", cal[m,k,d];
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alpar@9
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41 }
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alpar@9
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42 printf{0..0: m < t+2} " ";
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alpar@9
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43 }
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alpar@9
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44 printf "\n";
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alpar@9
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45 }
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alpar@9
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46 }
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alpar@9
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47 printf "\n";
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alpar@9
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48
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alpar@9
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49 end;
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