jiahut

call plug#begin('~/.vim/plugged')


Plug 'junegunn/fzf', { 'dir': '~/.fzf', 'do': './install --all' }
Plug 'junegunn/fzf.vim'

let g:fzf_layout = { 'window': { 'width': 0.8, 'height': 0.6 } }

call plug#end()

jiahut

Please make fork of this, as this can be removed by Github.com sooner or later.

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jiahut

generate uuid

cat /proc/sys/kernel/random/uuid

https://coderwall.com/p/t_sz3q/generate-uuid-at-shell-prompt

uuidgen

alias uuid="python -c 'import sys,uuid; sys.stdout.write(uuid.uuid4().hex)' | pbcopy && pbpaste && echo"

jiahut

package main

import (
	"bufio"
	"fmt"
	"log"
	"net"
	"time"
)

jiahut

usage

https://stackoverflow.com/questions/17895306/passing-binding-or-arguments-to-erb-from-the-command-line

erb context=torrentkitty.html hello.html.erb

jiahut

#!/usr/bin/env ruby

abort("please spectify a word") unless word = ARGV[0]
puts `curl -s 'http://dict-co.iciba.com/api/dictionary.php?key=79085A8D69548E2DC4CBEC053A8124FC&type=json&w=#{word}' | jq  -r '.symbols[]?.parts[]?.means[]?'`

jiahut

demo the begin-end block

https://stackoverflow.com/questions/14050296/what-does-rubys-begin-do

cat ruby-begin-end-block.md | grep -v -E '`|^#' | bash -xe

curl -s https://gist.githubusercontent.com/jiahut/25d90714eb9f9181af36559ec4148f51/raw/ | grep -v -E '`|^#' | bash -xe

cat <<-EOF | ruby 
 END { puts 'END block' }

jiahut

file with blank

https://askubuntu.com/questions/343727/filenames-with-spaces-breaking-for-loop-find-command

touch '1 2.sss' && echo '1 2.sss' > '1 2.sss'
touch '2 1.sss'
touch 1 && echo 1 > 1
touch 2 && echo 2 > 2

find . -name '*.sss' | while read file; do file "$file" ; done

jiahut

regex

https://rubular.com/ https://stackoverflow.com/questions/6673847/what-are-rubys-numbered-global-variables https://www.jianshu.com/p/974dee8953e6

$` and $' : before $& after match

cat <<- EOF | ruby -ne ' puts $& if $_ =~ /

.*?</div>/ ' a1

test1

b1

test2

c1

jiahut

statistics

https://unix.stackexchange.com/questions/18506/recursive-statistics-on-file-types-in-directory

find . -type f | sed 's/.*\.//' | sort | uniq -c

find . -type f| ruby -ne 'puts $1 if $_ =~ /.*\.(\S+)/ ' | sort | uniq -c