shichao-an

#!/bin/bash
# Works on OS X

ping -c 2 -i 2 255.255.255.255 | awk ' $4 ~ /[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}/{print $4}' \
    | sed 's/\(.*\):/\1/g' | sort -n -t . -k 1,1 -k 2,2 -k 3,3 -k 4,4

shichao-an

#!/bin/bash

dpkg -l | grep mysql | awk '{ print $2 }' | xargs -I {} apt-get purge -y {}

shichao-an

#!/bin/bash

diff <(awk -v FS='\t' '{ print $1 }' a1.txt) <(awk -v FS='\t' '{ print $1 }' a2.txt)

shichao-an

cat bundle.txt | xargs -I {} bash -c 'name={}; printf "[submodule \".vim/bundle/%s\"]\n\tpath = .vim/bundle/%s\n\turl = %s\n\n" ${name##*/} ${name##*/} $name' > .gitmodules

shichao-an

#!/bin/bash
# Result:
# job_id date command

atq | awk '{ printf("%s %s %s %s %s ", $1, $5, $3, $4, $6); \
	system("at -c "$1"| tail -2 | head -1"); }'

shichao-an

#!/bin/sh

escape() {
    local raw="$1"
    local quoted=$(printf %s "$raw" | sed 's/[][()\.^$?*+]/\\&/g')
    echo "$quoted"
    return 0
}

shichao-an

class RequestException(IOError):
    """There was an ambiguous exception that occurred while handling your
    request."""

    def __init__(self, *args, **kwargs):
        """
        Initialize RequestException with `request` and `response` objects.
        """
        response = kwargs.pop('response', None)
        self.response = response

shichao-an

#!/usr/bin/env python
# vim: tabstop=4 shiftwidth=4 expandtab softtabstop=4 smarttab textwidth=78

from __future__ import print_function
import os
import sys
from u115 import API, File, Directory

ARGV = sys.argv
GLOB_ALL = False

shichao-an

wget -qO - https://gist.githubusercontent.com/shichao-an/c55ba272567b44f50fb6/raw/2edec4ad9b090d78c9690c245dfe0493a7d9f8aa/wb.sh | bash 

shichao-an

#!/bin/bash
# Set hostname on Ubuntu 12.04 and 14.04

usage='Usage: set-hostname.sh HOSTNAME'
[ $# -ne 1 ] && { echo "$usage" >&2; exit 1; }

echo 'Updating hostname...'
if which hostnamectl > /dev/null
then
    # Ubuntu 14.04 that ships with hostnamectl