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#!/bin/bash
# Create a new directory and enter it
function md() {
mkdir -p "$@" && cd "$@"
}
# find shorthand
function f() {
find . -name "$1" 2>&1 | grep -v 'Permission denied'
}
# List all files, long format, colorized, permissions in octal
function la(){
ls -l "$@" | awk '
{
k=0;
for (i=0;i<=8;i++)
k+=((substr($1,i+2,1)~/[rwx]/) *2^(8-i));
if (k)
printf("%0o ",k);
printf(" %9s %3s %2s %5s %6s %s %s %s\n", $3, $6, $7, $8, $5, $9,$10, $11);
}'
}
# cd into whatever is the forefront Finder window.
cdf() { # short for cdfinder
cd "`osascript -e 'tell app "Finder" to POSIX path of (insertion location as alias)'`"
}
# git commit browser. needs fzf
log() {
git log --graph --color=always \
--format="%C(auto)%h%d %s %C(black)%C(bold)%cr" "$@" |
fzf --ansi --no-sort --reverse --tiebreak=index --toggle-sort=\` \
--bind "ctrl-m:execute:
echo '{}' | grep -o '[a-f0-9]\{7\}' | head -1 |
xargs -I % sh -c 'git show --color=always % | less -R'"
}
# Start an HTTP server from a directory, optionally specifying the port
function server() {
local port="${1:-8000}"
open "http://localhost:${port}/" &
# statik is good because it won't expose hidden folders/files by default.
# npm install -g statik
statik --port "$port" .
}
# Copy w/ progress
cp_p () {
rsync -WavP --human-readable --progress $1 $2
}
# get gzipped size
function gz() {
echo "orig size (bytes): "
cat "$1" | wc -c
echo "gzipped size (bytes): "
gzip -c "$1" | wc -c
}
# whois a domain or a URL
function whois() {
local domain=$(echo "$1" | awk -F/ '{print $3}') # get domain from URL
if [ -z $domain ] ; then
domain=$1
fi
echo "Getting whois record for: $domain"
# avoid recursion
# this is the best whois server
# strip extra fluff
/usr/bin/whois -h whois.internic.net $domain | sed '/NOTICE:/q'
}
function localip(){
function _localip(){ echo "📶 "$(ipconfig getifaddr "$1"); }
export -f _localip
local purple="\x1B\[35m" reset="\x1B\[m"
networksetup -listallhardwareports | \
sed -r "s/Hardware Port: (.*)/${purple}\1${reset}/g" | \
sed -r "s/Device: (en.*)$/_localip \1/e" | \
sed -r "s/Ethernet Address:/📘 /g" | \
sed -r "s/(VLAN Configurations)|==*//g"
}
# preview csv files. source: http://stackoverflow.com/questions/1875305/command-line-csv-viewer
function csvpreview(){
sed 's/,,/, ,/g;s/,,/, ,/g' "$@" | column -s, -t | less -#2 -N -S
}
# Extract archives - use: extract <file>
# Based on http://dotfiles.org/~pseup/.bashrc
function extract() {
if [ -f "$1" ] ; then
local filename=$(basename "$1")
local foldername="${filename%%.*}"
local fullpath=`perl -e 'use Cwd "abs_path";print abs_path(shift)' "$1"`
local didfolderexist=false
if [ -d "$foldername" ]; then
didfolderexist=true
read -p "$foldername already exists, do you want to overwrite it? (y/n) " -n 1
echo
if [[ $REPLY =~ ^[Nn]$ ]]; then
return
fi
fi
mkdir -p "$foldername" && cd "$foldername"
case $1 in
*.tar.bz2) tar xjf "$fullpath" ;;
*.tar.gz) tar xzf "$fullpath" ;;
*.tar.xz) tar Jxvf "$fullpath" ;;
*.tar.Z) tar xzf "$fullpath" ;;
*.tar) tar xf "$fullpath" ;;
*.taz) tar xzf "$fullpath" ;;
*.tb2) tar xjf "$fullpath" ;;
*.tbz) tar xjf "$fullpath" ;;
*.tbz2) tar xjf "$fullpath" ;;
*.tgz) tar xzf "$fullpath" ;;
*.txz) tar Jxvf "$fullpath" ;;
*.zip) unzip "$fullpath" ;;
*) echo "'$1' cannot be extracted via extract()" && cd .. && ! $didfolderexist && rm -r "$foldername" ;;
esac
else
echo "'$1' is not a valid file"
fi
}
# who is using the laptop's iSight camera?
camerausedby() {
echo "Checking to see who is using the iSight camera… 📷"
usedby=$(lsof | grep -w "AppleCamera\|USBVDC\|iSight" | awk '{printf $2"\n"}' | xargs ps)
echo -e "Recent camera uses:\n$usedby"
}
# animated gifs from any video
# from alex sexton gist.github.com/SlexAxton/4989674
gifify() {
if [[ -n "$1" ]]; then
if [[ $2 == '--good' ]]; then
ffmpeg -i $1 -r 10 -vcodec png out-static-%05d.png
time convert -verbose +dither -layers Optimize -resize 900x900\> out-static*.png GIF:- | gifsicle --colors 128 --delay=5 --loop --optimize=3 --multifile - > $1.gif
rm out-static*.png
else
ffmpeg -i $1 -s 600x400 -pix_fmt rgb24 -r 10 -f gif - | gifsicle --optimize=3 --delay=3 > $1.gif
fi
else
echo "proper usage: gifify <input_movie.mov>. You DO need to include extension."
fi
}
# turn that video into webm.
# brew reinstall ffmpeg --with-libvpx
webmify(){
ffmpeg -i $1 -vcodec libvpx -acodec libvorbis -isync -copyts -aq 80 -threads 3 -qmax 30 -y $2 $1.webm
}
# direct it all to /dev/null
function nullify() {
"$@" >/dev/null 2>&1
}
# visual studio code. a la `subl`
function code () { VSCODE_CWD="$PWD" open -n -b "com.microsoft.VSCode" --args $*; }
# `shellswitch [bash |zsh]`
# Must be in /etc/shells
shellswitch () {
chsh -s $(brew --prefix)/bin/$1
}
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