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laughing-hipster/plugins/extras/defaults.d/899-helpers.sh

133 lines
2.9 KiB

#!/bin/sh
# kill the process using the specified port
function freeport(){
if [ -z $1 ]; then
echo "usage: freeport <port number>" >&2
return 1
fi
lsof -t -i tcp:$1 | xargs kill
}
# runs tcp dump on the port specified in $1. $1 defaults to 8080
function dumptcp(){
local DUMPPORT=$1
local DUMPINTERFACE=$2
if [ -z "$1" ]; then
DUMPPORT=8080
elif [[ "$1" == "help" ]]; then
echo "dumps tcp info at the specified port. Useful for looking at http requests"
echo "usage dumptcp <port>"
return 1
fi
if [ -z "$2" ]; then
DUMPINTERFACE=lo0
fi
echo "dumping tcp connections @ $DUMPINTERFACE on port $DUMPPORT..."
sudo tcpdump -s 0 -A -i $DUMPINTERFACE "tcp port $DUMPPORT and (((ip[2:2] - ((ip[0]&0xf)<<2)) - ((tcp[12]&0xf0)>>2)) != 0)"
}
# Determine size of a file or total size of a directory
function fs() {
if du -b /dev/null > /dev/null 2>&1; then
local arg=-sbh;
else
local arg=-sh;
fi
if [[ -n "$@" ]]; then
du $arg -- "$@";
else
du $arg .[^.]* *;
fi;
}
# Run `dig` and display the most useful info
function digga() {
dig +nocmd "$1" any +multiline +noall +answer;
}
# `o` with no arguments opens the current directory, otherwise opens the given
# location
function o() {
if [ $# -eq 0 ]; then
open .;
else
open "$@";
fi;
}
# Create a .tar.gz archive, using `zopfli`, `pigz` or `gzip` for compression
function targz() {
local tmpFile="${@%/}.tar";
tar -cvf "${tmpFile}" --exclude=".DS_Store" "${@}" || return 1;
size=$(
stat -f"%z" "${tmpFile}" 2> /dev/null; # OS X `stat`
stat -c"%s" "${tmpFile}" 2> /dev/null # GNU `stat`
);
local cmd="";
if (( size < 52428800 )) && hash zopfli 2> /dev/null; then
# the .tar file is smaller than 50 MB and Zopfli is available; use it
cmd="zopfli";
else
if hash pigz 2> /dev/null; then
cmd="pigz";
else
cmd="gzip";
fi;
fi;
echo "Compressing .tar using \`${cmd}\`…";
"${cmd}" -v "${tmpFile}" || return 1;
[ -f "${tmpFile}" ] && rm "${tmpFile}";
echo "${tmpFile}.gz created successfully.";
}
# Syntax-highlight JSON strings or files
# Usage: `json '{"foo":42}'` or `echo '{"foo":42}' | json`
function json() {
if [ -t 0 ]; then # argument
python -mjson.tool <<< "$*" | pygmentize -l javascript;
else # pipe
python -mjson.tool | pygmentize -l javascript;
fi;
}
function interfaces(){
ifconfig | grep "\: flags" | awk '{print $1}' | sed 's/:$//';
}
function inline_image {
printf '\033]1338;url='"$1"';alt='"$2"'\a\n'
}
# Create a git.io short URL
function gitio() {
if [ -z "${1}" -o -z "${2}" ]; then
echo "Usage: \`gitio slug url\`";
return 1;
fi;
curl -i http://git.io/ -F "url=${2}" -F "code=${1}";
}
# list files
alias ll='ls -hGla --color'
#git
alias gs='git status'
alias gm='git merge --ff-only'
alias gpr='git pull --rebase'
alias gmt='git mergetool'
alias grc='git rebase --continue'
alias gk='git fetch origin; git remote prune origin; gitk --all &'
alias gl='git log --pretty=format:"%h %ar by %an: %s"'