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Language Inferno Shell
(Conventional solution with expr module)
| Date: | 03/12/12 |
| Author: | Pete Elmore |
| URL: | http://debu.gs/ |
| Comments: | 0 |
| Info: | http://www.vitanuova.com/inferno/papers/sh.html |
| Score: |  (3.00 in 6 votes) |
#!/dis/sh
# Accepts an optional argument for a number of bottles to start at.
load std expr echo
fn pluralize_bottles() {
b := $1^' bottles'
if {~ $1 1} {
b = '1 bottle'
} {~ $1 0} {
b = 'No more bottles'
}
echo $b
}
bottles = $1
if {no $bottles} { bottles = 99 }
for i in `{echo ${expr $bottles 1 seq}} {
b := `{pluralize_bottles $i}
bn := `{pluralize_bottles ${expr $i 1 -}}
echo $b of beer on the wall,
echo $b of beer!
echo Take one down, pass it around,
echo $bn of beer on the wall.
echo
}
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