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Nanchatte

Yasuhiro Yamada greymd

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@greymd
greymd / gist:4548a30365cea2d44f33
Last active Aug 29, 2015
因数分解→因数を全て足し算の速度比較 while vs awk
View gist:4548a30365cea2d44f33
#bashのwhile readを利用。
$ time seq 1000 | factor | while read a b; do echo $b | tr ' ' '+' | bc ;done > /dev/null
real 0m2.150s
user 0m1.370s
sys 0m3.259s
#awkのfor文を利用
$ time seq 1000 | factor | awk '{s=0;for(i=2;i<=NF;i++){s+=$i}print s;}' > /dev/null
@greymd
greymd / gist:425136954ade49ec39ad
Last active Aug 29, 2015
任意の整数(NUM)を2つの自然数の積で算出するために必要な数の組み合わせを求める。
View gist:425136954ade49ec39ad
#NUMには任意の整数を入れる
NUM=1000; \
egison -e '(p-f '$NUM')' | egison -T -m '(match-all-lambda (multiset integer) [<join $x $xs> [x xs ":"]])' | \
sed 's/":"/\n/g' | tr -s '\t' | sed -r 's/(^\t|\t$)//g' | sed 's/{}/{1}/' | grep -vP '^{.*}$' | awk 'NF' | \
egison -F 2c -m 'id' | egison -m '2#[(foldr * 1 %1) (foldr * 1 %2)]' | tr -d '[]' | \
awk '{if($1>$2){print $2" "$1}else{print}}' | sort -k1,1n -k2,2n | uniq
#Example
# [NUM=100]
@greymd
greymd / gist:fa3ba0788075a1ce2955
Last active Aug 29, 2015
常用漢字とその画数
View gist:fa3ba0788075a1ce2955
一 1
乙 1
九 2
七 2
十 2
人 2
二 2
入 2
八 2
力 2
@greymd
greymd / gist:fb45abc82971eec318d6
Last active Aug 29, 2015
任意の自然数の体積を持つ直方体の持ち得る自然数x, y, zの組み合わせを求めるEgisonシェル芸
View gist:fb45abc82971eec318d6
$ echo 64 | \
egison -T -m '1#(match-all (p-f %1) (multiset integer) [ <join $xs <join $ys $zs>> [(foldl * 1 xs) (foldl * 1 ys) (foldl * 1 zs)]])' | \
xargs -n 3 | \
egison -T -f '3#(and (lte? %1 %2) (lte? %2 %3))' | \
sort | uniq
# 結果 (体積64の直方体)
# 1 1 64
# 1 2 32
# 1 4 16
@greymd
greymd / smsis.sh
Last active Aug 29, 2015
SMクラブから、同じOPPAIのカップ数を持ち、身長が小中大になっている女王様三姉妹の組み合わせを抽出する
View smsis.sh
#!/bin/sh
curl -L urx.nu/ibQd | nkf -wZ | \
sed -n -r '/<p>/{s/\(([0-9]*)\)</\t\1\t</;h;n;y@\(\)@\t\t@;x;G;s@</?p>@@g;y@/@\t@;s/\n//;p}' | \
tr -s '\t' | awk -F'\t' 'NF==7' | cut -f1,3,5 | \
cat list | egison -T -F1,1s -F3s -s '(match-all-lambda
(multiset [string integer string])
[ <cons [$n1 $tal1 $cup]
<cons [$n2 (& ?(gt? $ tal1) $tal2),cup]
<cons [$n3 (& ?(gt? $ tal2) $tal3) ,cup]
_>>>
@greymd
greymd / gist:9f9d68f5aee96553d8f9
Created Jun 12, 2015
関東圏の路線の遅延情報取得シェル芸
View gist:9f9d68f5aee96553d8f9
curl -sLo- goo.gl/xEZPhi| grep info/deta -A1 | xargs | sed 's/ -- /\n/g' | grep -v 平常運転 | awk -F'[=><]' '{print $6,$5}' | while read a b; do echo -n $a":"; curl -so- $b | grep 'og:description' | grep -oP '(?<=content=").*(?=")' ;done
View gist:99f86ba2b93d5c4bf012
cat number | sed 's/./ &/g' | \
egison -F1c -m '(match-all-lambda (list integer) [<join _ <join $a _ <join ,a _>>> [a]])' |\
grep -oP '{.*?}' | sort | uniq -c | sort -n | awk 'NF>=4' | grep '^ *2'
View vib.ino
int VIB = 2;
int state = LOW;
void setup(){
Serial.begin(9600);
pinMode(VIB,OUTPUT);
}
void loop(){
if (Serial.available()) {
char c = Serial.read();
if (c == '1') {
View squares.sh
# 参考: https://twitter.com/ryuichiueda/status/637570756138823680
W=9; H=9 ;printf $(printf "+%%0${W}d\\\n%0${H}s\n" | sed "s/ /|%${W}s\\\n+%0${W}d\\\n/g") | sed 's/0/---+/g' | sed 's/ / |/g'
# 結果
# +---+---+---+---+---+---+---+---+---+
# | | | | | | | | | |
# +---+---+---+---+---+---+---+---+---+
# | | | | | | | | | |
# +---+---+---+---+---+---+---+---+---+
# | | | | | | | | | |
View shell_gei_18_ans.md

第18回シェル芸勉強会個人的回答

https://blog.ueda.asia/?p=6836

Q4

$ cat cross | sed 's/./& /g' | \
perl -anlE 'printf chr($_+ord(a)-1)."-".$F[0]."=".$F[$_]." " for (1..$#F); say ""' | \
grep -oP '.{3}(?=\=x)'
You can’t perform that action at this time.