シェル芸160ノック26
9月末に発売されたシェル芸本の続きです。
前回はこちら
問題141
$ yes | awk '{print "echo",NR",""$(shuf -n5 -re {a..z}),$(shuf -n10 -re {a..z}),$(shuf -n5 -re {a..z})@mail.com"}' | head -n1000 |bash | tr -d ' ' | head 1,hyoah,pgdawiluzg,xwrui@mail.com 2,xbabm,gnmbcoxsri,ixpzm@mail.com 3,jyojm,rdjdcqqcus,hwrpa@mail.com 4,ehzdr,ihdnpkjvzi,gknmw@mail.com 5,jdxht,hnyxucnbcw,rvvvi@mail.com 6,bypgy,brjilztgyc,pnqwy@mail.com 7,foxwp,aymknffafy,mvclb@mail.com 8,dlwte,umqxtwcdal,uwoth@mail.com 9,wbhkw,cxrtjswfmt,bxsrq@mail.com 10,alkvf,bpdwkemdsh,phqcv@mail.com
問題142
$ echo blog.ueda | command xxd -b -c1 | sel 2 | tr -d \\n | ocs '{for(var i=0;i<F0.Length;i++)println(F0)}' | awk '{$NR=!$NR;print}' FS='' OFS='' | perl -lne 'print pack("B*", $_)' | grep -P '^[a-z\.]+$' rlog.ueda jlog.ueda flog.ueda clog.ueda bdog.ueda bhog.ueda bnog.ueda bmog.ueda blgg.ueda ...
問題143
$ git status --short | awk '$1=="M"&&$2~/B/{print $2}' | xargs git add
問題144
$ fd . ./img ./css --type=f --exec git checkout "HEAD^" {} Updated 1 path from c335175 Updated 1 path from c335175 Updated 1 path from c335175 Updated 1 path from c335175
問題145
$ git log --date=unix | grep Date: | awk '{if(b)print $2,b;b=$2}' | awk '{print ($2-$1)/3600}' 5.87694 0.0141667 232.218 47.4703 31.0544 0.0580556 16.2336 1181.22 1345.62 1581.95 ...