Simplicity is the ultimate sophistication. — Leonardo Da Vinci

业务洽谈QQ: 751572818

less is more

• The basic problem is actually very complicated.
• It's amazing that computers only use 0 and 1.

# downloader
$ aria2c --daemon --enable-rpc --rpc-listen-all=true --rpc-listen-port=6666 --disable-ipv6

# google tts
$ curl -sGA 'Mozilla/5.0' --data-urlencode 'q=你好世界' 'http://translate.google.cn/translate_tts?ie=UTF-8&tl=zh-CN' | play -qtmp3 -

# backup putty config
$ regedit /E putty_config.reg HKEY_CURRENT_USER\Software\SimonTatham

# fibonacci in bash
$ mkfifo pipe; echo 0 1 >pipe & while read x y; do echo $y; echo $y $((x+y)) >pipe; done <pipe | head -n 10; rm pipe

# vim startup debug
$ rm dbg.log; vim -V9dbg.log -u vimrc.dbg -c 'q' test.txt; vim dbg.log

# fill zeros
$ rename 's/\d+/sprintf("%04d",$&)/e' *.png

# auto-completion
$ _echo() { COMPREPLY=("'$(fortune -sn42 | tr -d \')'"); } && complete -F _echo echo

# lib dependency
$ for i in `find /lib -maxdepth 1 -type f -name '*.so*'`; do echo -e "\n${i##*/}"; readelf -d $i | awk '/NEEDED/{print $5}'; done | awk 'BEGIN{RS=""; print "digraph so {"}; {gsub(/-|\+|\[|\]|(\.\w*)/, ""); x=$1; $1=""; printf("\t%s -> {%s};\n", x, $0)}; END{print "}"}' | dot -Tpng | display -

# random shape
$ gnuplot -e 'set term dumb; set nobor; unset tics; p "<seq 10 | shuf" u 1:(rand(0)) w l not'

# header dependency
$ awk '
> BEGIN{
>     print "digraph G {"
>     print "node[shape=box]"
> }
>
> /^#include/ && NF==2{
>     printf("\"%s\" -> \"%s\";\n", FILENAME, gensub(/[<>\"]/, "", "g", $2))
> }
>
> END{
>     print "}"
> }' *.{h,cpp} | dot -Tsvg | display

# 'A' in binary format
$ dc <<<16i2o$(printf A | xxd -p)p

# find all ascii-only files
$ grep -rLP '[^\x00-\x7f]' .

# calculate total reputation
$ curl -s 'http://stackexchange.com/users/11683/jon-skeet?tab=accounts' | sed -n 's/^.*account-number[^[:digit:]]*\([[:digit:],]*\)[^[:digit:]]*reputation.*$/\1/p' | tr -d ',' | awk '$0>=200{t+=$0};END{print t}'

.vimrc

hi! link Comment Ignore
com! CD :lcd %:h
com! -nargs=1 -complete=help H :tab help <args>

digraph-table Ctrl-k

©   Co
™   TM
✓   OK
✗   XX

±   +-
≈   ?2
≠   !=
«   <<
»   >>

←   <-
→   ->
↑   -!
↓   -v
⇐   <=
⇒   =>
⇔   ==

₆   6s
⁶   6S
⅙   16
⒍   6.
㈥  6c
ⅵ   6r
Ⅵ   6R

◆   bD
◇   wD
★   *2
☆   *1
█   FB
■   fS
●   0M
·   .M
☻   0U
☺   0u
♀   Fm
♂   Ml