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| -rw-r--r-- | challenge-175/robert-dicicco/julia/ch-1.jl | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/challenge-175/robert-dicicco/julia/ch-1.jl b/challenge-175/robert-dicicco/julia/ch-1.jl new file mode 100644 index 0000000000..5ffe04fe6e --- /dev/null +++ b/challenge-175/robert-dicicco/julia/ch-1.jl @@ -0,0 +1,45 @@ +#!julia.exe + +using Dates + +# AUTHOR: Robert DiCicco +# DATE: 2022=07-26 +# Challenge 175 Last Sunday ( Julia ) + +function checkArgs(args) + global year + + try + year = parse(Int64, args[1]) + catch + println("Error: Tear must be an integer >= 1900") + exit(0) + finally + if year < 1900 + println("Error: Year must be >= 1900") + exit(0) + else + main(year) + end + end +end + +function LastSunday( yr, mth) + td = Dates.Date(yr,mth,1) + ld = Dates.lastdayofmonth(td) + wd = Dates.dayofweek(ld) + + if wd == 7 + println(ld) + else + println(ld - Dates.Day(wd)) + end +end + +function main(year) + for mth in 1:12 + LastSunday(year,mth) + end +end + +checkArgs(ARGS) |