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Ingy döt Net 2013-10-27 22:24:23 +00:00
parent 6f050a029e
commit 776bba907c
3887 changed files with 59894 additions and 7280 deletions
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22
Task/Sierpinski-carpet/UNIX-Shell/sierpinski-carpet.sh
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@ -1,17 +1,11 @@
#!/bin/bash
next() {
block="$1"
center="$(echo "$1" | tr '#' ' ')"
paste -d '' <(echo "$block") <(echo "$block" ) <(echo "$block")
paste -d '' <(echo "$block") <(echo "$center") <(echo "$block")
paste -d '' <(echo "$block") <(echo "$block" ) <(echo "$block")
sierpinski_carpet() {
local -i n="${1:-3}"
local carpet="${2:-#}"
while (( n-- )); do
local center="${carpet//#/ }"
carpet="$(paste -d ' ' <(echo "$carpet"$'\n'"$carpet"$'\n'"$carpet") <(echo "$carpet"$'\n'"$center"$'\n'"$carpet") <(echo "$carpet"$'\n'"$carpet"$'\n'"$carpet"))"
done
echo "$carpet"
}
carpet="#"
for _ in {1..3}
do
carpet="$(next "$carpet")"
done
echo "$carpet"