Box the compass: Difference between revisions
Content added Content deleted
(→{{header|Nim}}: Solution that matches the task) |
(→{{header|UNIX Shell}}: sed-based capitalize() doesn't work on BSD/OS X, which also doesn't have bash 4 and its ${param^}.) |
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{{trans|Logo}} |
{{trans|Logo}} |
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Requires the standard POSIX bc(1) |
Requires the standard POSIX bc(1) command to perform floating-point arithmetic. |
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<lang sh># List of abbreviated compass point labels |
<lang sh># List of abbreviated compass point labels |
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320.62 320.63 337.50 354.37 354.38 ) |
320.62 320.63 337.50 354.37 354.38 ) |
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| ⚫ | |||
printf '%s%s\n' "$(tr a-z A-Z <<<"${1:0:1}")" "${1:1}" |
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# capitalize a string |
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| ⚫ | |||
echo "$1" | sed 's/^./\U&/' |
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} |
} |
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# convert compass point abbreviation to full text of label |
# convert compass point abbreviation to full text of label |
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function expand_point { |
function expand_point { |
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local label= |
local label=$1 |
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set -- N north E east S south W west b " by " |
set -- N north E east S south W west b " by " |
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while (( $# )); do |
while (( $# )); do |
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label= |
label=${label//$1/$2} |
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shift 2 |
shift 2 |
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done |
done |
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# convert a compass angle from degrees into a box index (1..32) |
# convert a compass angle from degrees into a box index (1..32) |
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function compass_point { |
function compass_point { |
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# use bc or dc depending on what's on the system |
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#amod $(dc <<<"$1 5.625 + 11.25 / 1 + p") 32 |
#amod $(dc <<<"$1 5.625 + 11.25 / 1 + p") 32 |
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amod $(bc <<<"($1 + 5.625) / 11.25 + 1") 32 |
amod $(bc <<<"($1 + 5.625) / 11.25 + 1") 32 |
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