joshenders

$ var=$(echo ' ab')
$ echo $var
ab
$ echo $var | xxd
0000000: 6162 0a                                   ab.
$ if [[ "$var" =~ ^a ]]; then echo match; else echo not match; fi
not match

$ var=$(echo 'ab')
$ echo $var | xxd

joshenders

#!/bin/bash

function exit_with_usage() {
    # usage: exit_with_usage

    echo "Usage: ${0##*/} <src> <dest>" >&2
    exit 1
}

function prompt() {

joshenders

In [90]: str(r0.answer[0])
Out[90]: 'pinterest.com. 60 IN A 54.243.129.204\npinterest.com. 60 IN A 50.16.219.149\npinterest.com. 60 IN A 54.225.186.27\npinterest.com. 60 IN A 54.235.105.67\npinterest.com. 60 IN A 50.16.231.144\npinterest.com. 60 IN A 23.21.210.110\npinterest.com. 60 IN A 50.17.251.14\npinterest.com. 60 IN A 54.243.162.10'

In [91]: str(r1.answer[0])
Out[91]: 'pinterest.com. 60 IN A 54.197.238.4\npinterest.com. 60 IN A 174.129.10.138\npinterest.com. 60 IN A 50.16.211.7\npinterest.com. 60 IN A 54.225.188.149\npinterest.com. 60 IN A 174.129.209.56\npinterest.com. 60 IN A 54.225.139.43\npinterest.com. 60 IN A 54.225.169.36\npinterest.com. 60 IN A 50.17.208.61'

In [92]: if str(r0.answer[0]) == str(r1.answer[0]):
        print('No problem')
   ....:

joshenders

(dnsdiff)jenders@collaris/pts/0: dnsdiff $ ./dnsdiff.py --help
usage: dnsdiff.py [-h] -f FILENAME --from-ns NAMESERVER1 --to-ns NAMESERVER2

optional arguments:
  -h, --help            Show this help message and exit
  -f FILENAME, --filename FILENAME
                        File containing resource records to verify. File is
                        expected to be a valid zone master file as described
                        here: https://tools.ietf.org/html/rfc1035#section-5
  --from-ns NAMESERVER1

joshenders

__zsh_like_cd()
{
    # Called as:
    #    cd()    { __zsh_like_cd cd    "$@" ; }
    #    popd()  { __zsh_like_cd popd  "$@" ; }
    #    pushd() { __zsh_like_cd pushd "$@" ; }
    # So, "$@" in __zsh_like_cd contains the __zsh_like_cd "personality" as well as passed arguments
  \typeset __zsh_like_cd_hook # define local variable in __zsh_like_cd scope, may be POSIXly correct but lol- #! is /bin/bash, use "local __zsh_like_cd_hook". Also, hilarious that they prepend \ to typeset because who knows if you can trust that it's not hooked!
  if
    builtin "$@" # builtin returns true if command is a built-in

joshenders

jenders@jenders-mba tmp :) $ cat ./foo.sh
#!/bin/bash

echo "\$@: $@"

flags=()
for flag in "$@"; do
    if [[ "${flag}" =~ ^- ]]; then
        flags=("${flags[@]}" "${flag}")
    fi

joshenders

#!/usr/bin/python3.4

import math
import statistics as stats
import signal
import sys

from os.path import basename

# Hide stack trace from KeyboardInterrupt

joshenders

[root@dev-aje:~]# apt-cache --help | grep -- depends
   depends - Show raw dependency information for a package
   rdepends - Show reverse dependency information for a package
[root@dev-aje:~]# apt-cache depends libpng12-0
libpng12-0
  Depends: libc6
  Depends: zlib1g
  PreDepends: multiarch-support
  Conflicts: libpng12-dev
  Conflicts: <mzscheme>

joshenders

#!/bin/bash

# for each list of nodes in ISP metadata list
for country in metadata/by-isp/*; do
    ccode="$(basename ${country})"
    echo "${ccode}"
    mkdir "by-isp/${ccode}"

    # from node list for each country, create file with only tests from said country
    pattern=$(awk '{ print $2 }' "${country}" \

joshenders

>>> a = "1.0"
>>> int(a)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ValueError: invalid literal for int() with base 10: '1.0'
>>> int(float(a))
1
>>> foo = "1.0"
>>> int(foo)
Traceback (most recent call last):