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.functions
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.functions
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# Simple calculator
function calc() {
local result=""
result="$(printf "scale=10;$*\n" | bc --mathlib | tr -d '\\\n')"
# └─ default (when `--mathlib` is used) is 20
#
if [[ "$result" == *.* ]]; then
# improve the output for decimal numbers
printf "$result" |
sed -e 's/^\./0./' `# add "0" for cases like ".5"` \
-e 's/^-\./-0./' `# add "0" for cases like "-.5"`\
-e 's/0*$//;s/\.$//' # remove trailing zeros
else
printf "$result"
fi
printf "\n"
}
# Create a new directory and enter it
function md() {
mkdir -p "$@" && cd "$@"
}
# find shorthand
function f() {
find . -name "$1"
}
# Change working directory to the top-most Finder window location
function cdf() { # short for `cdfinder`
cd "$(osascript -e 'tell app "Finder" to POSIX path of (insertion location as alias)')"
}
# Start an HTTP server from a directory, optionally specifying the port
function server() {
local port="${1:-8000}"
open "https://localhost:${port}/"
# Set the default Content-Type to `text/plain` instead of `application/octet-stream`
# And serve everything as UTF-8 (although not technically correct, this doesn’t break anything for binary files)
python -c $'import SimpleHTTPServer;\nmap = SimpleHTTPServer.SimpleHTTPRequestHandler.extensions_map;\nmap[""] = "text/plain";\nfor key, value in map.items():\n\tmap[key] = value + ";charset=UTF-8";\nSimpleHTTPServer.test();' "$port"
}
# Create a data URL from a file
function dataurl() {
local mimeType=$(file -b --mime-type "$1")
if [[ $mimeType == text/* ]]; then
mimeType="${mimeType};charset=utf-8"
fi
echo "data:${mimeType};base64,$(openssl base64 -in "$1" | tr -d '\n')"
}
# Create a git.io short URL
function gitio() {
if [ -z "${1}" -o -z "${2}" ]; then
echo "Usage: \`gitio slug url\`"
return 1
fi
curl -i https://git.io/ -F "url=${2}" -F "code=${1}"
}
# A better git clone
# clones a repository, cds into it, and opens it in my editor.
#
# Based on https://github.com/stephenplusplus/dots/blob/master/.bash_profile#L68 by @stephenplusplus
#
# Note: subl is already setup as a shortcut to Sublime. Replace with your own editor if different
#
# - arg 1 - url|username|repo remote endpoint, username on github, or name of
# repository.
# - arg 2 - (optional) name of repo
#
# usage:
# $ clone things
# .. git clone [email protected]:addyosmani/things.git things
# .. cd things
# .. subl .
#
# $ clone yeoman generator
# .. git clone [email protected]:yeoman/generator.git generator
# .. cd generator
# .. subl .
#
# $ clone [email protected]:addyosmani/dotfiles.git
# .. git clone [email protected]:addyosmani/dotfiles.git dotfiles
# .. cd dots
# .. subl .
function clone {
# customize username to your own
local username="addyosmani"
local url=$1;
local repo=$2;
if [[ ${url:0:4} == 'http' || ${url:0:3} == 'git' ]]
then
# just clone this thing.
repo=$(echo $url | awk -F/ '{print $NF}' | sed -e 's/.git$//');
elif [[ -z $repo ]]
then
# my own stuff.
repo=$url;
url="[email protected]:$username/$repo";
else
# not my own, but I know whose it is.
url="[email protected]:$url/$repo.git";
fi
git clone $url $repo && cd $repo && subl .;
}
# simple git log
# usage glr v0.2.2 v0.2.3
function glr() {
git log $1 $2 --pretty=format:'* %h %s' --date=short --no-merges
}
# git log with per-commit cmd-clickable GitHub URLs (iTerm)
function gf() {
local remote="$(git remote -v | awk '/^origin.*\(push\)$/ {print $2}')"
[[ "$remote" ]] || return
local user_repo="$(echo "$remote" | perl -pe 's/.*:https://;s/\.git$//')"
git log $* --name-status --color | awk "$(cat <<AWK
/^.*commit [0-9a-f]{40}/ {sha=substr(\$2,1,7)}
/^[MA]\t/ {printf "%s\thttps://github.com/$user_repo/blob/%s/%s\n", \$1, sha, \$2; next}
/.*/ {print \$0}
AWK
)" | less -F
}
# Copy w/ progress
cp_p () {
rsync -WavP --human-readable --progress $1 $2
}
# Test if HTTP compression (RFC 2616 + SDCH) is enabled for a given URL.
# Send a fake UA string for sites that sniff it instead of using the Accept-Encoding header. (Looking at you, ajax.googleapis.com!)
function httpcompression() {
encoding="$(curl -LIs -H 'User-Agent: Mozilla/5 Gecko' -H 'Accept-Encoding: gzip,deflate,compress,sdch' "$1" | grep '^Content-Encoding:')" && echo "$1 is encoded using ${encoding#* }" || echo "$1 is not using any encoding"
}
# Syntax-highlight JSON strings or files
function json() {
if [ -p /dev/stdin ]; then
# piping, e.g. `echo '{"foo":42}' | json`
python -mjson.tool | pygmentize -l javascript
else
# e.g. `json '{"foo":42}'`
python -mjson.tool <<< "$*" | pygmentize -l javascript
fi
}
# prune a set of empty directories
function prunedir () {
find $* -type d -empty -print0 | xargs -0r rmdir -p ;
}
# take this repo and copy it to somewhere else minus the .git stuff.
function gitexport(){
mkdir -p "$1"
git archive master | tar -x -C "$1"
}
# get gzipped size
function gz() {
echo "orig size (bytes): "
cat "$1" | wc -c
echo "gzipped size (bytes): "
gzip -c "$1" | wc -c
}
# All the dig info
function digga() {
dig +nocmd "$1" any +multiline +noall +answer
}
# Escape UTF-8 characters into their 3-byte format
function escape() {
printf "\\\x%s" $(printf "$@" | xxd -p -c1 -u)
echo # newline
}
# Decode \x{ABCD}-style Unicode escape sequences
function unidecode() {
perl -e "binmode(STDOUT, ':utf8'); print \"$@\""
echo # newline
}
# Add note to Notes.app (OS X 10.8)
# Usage: `note 'title' 'body'` or `echo 'body' | note`
# Title is optional
function note() {
local title
local body
if [ -t 0 ]; then
title="$1"
body="$2"
else
title=$(cat)
fi
osascript >/dev/null <<EOF
tell application "Notes"
tell account "iCloud"
tell folder "Notes"
make new note with properties {name:"$title", body:"$title" & "<br><br>" & "$body"}
end tell
end tell
end tell
EOF
}
# Add reminder to Reminders.app (OS X 10.8)
# Usage: `remind 'foo'` or `echo 'foo' | remind`
function remind() {
local text
if [ -t 0 ]; then
text="$1" # argument
else
text=$(cat) # pipe
fi
osascript >/dev/null <<EOF
tell application "Reminders"
tell the default list
make new reminder with properties {name:"$text"}
end tell
end tell
EOF
}
# Install Grunt plugins and add them as `devDependencies` to `package.json`
# Usage: `gi contrib-watch contrib-uglify zopfli`
function gi() {
npm install --save-dev ${*/#/grunt-}
}
# Install Gulp plugins and add them as `devDependencies` to `package.json`
# Usage: `gp uglify clean cache csso`
function gp() {
npm install --save-dev ${*/#/gulp-}
}
# Install Yeoman generators
# Usage: `yi webapp gruntfile angular`
function yi() {
npm install --save-dev ${*/#/generator-}
}
# `m` with no arguments opens the current directory in TextMate, otherwise
# opens the given location
function m() {
if [ $# -eq 0 ]; then
mate .
else
mate "$@"
fi
}
# `s` with no arguments opens the current directory in Sublime Text, otherwise
# opens the given location
function s() {
if [ $# -eq 0 ]; then
subl .
else
subl "$@"
fi
}
# `v` with no arguments opens the current directory in Vim, otherwise opens the
# given location
function v() {
if [ $# -eq 0 ]; then
vim .
else
vim "$@"
fi
}
# `o` with no arguments opens current directory, otherwise opens the given
# location
function o() {
if [ $# -eq 0 ]; then
open .
else
open "$@"
fi
}
# Launch installed browsers for a specific URL
# Usage: browsers "https://www.google.com"
function browsers(){
chrome $1
opera $1
firefox $1
safari $1
}
# Create animated GIFs from any video
# Uses https://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 600x600\> 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 an extension."
fi
}
# Browserstack shortcuts, now with added hotness thanks to the Browserstack team.
# Note, a trial or paid for account is needed for this to work
# Usage: ipad3 "https://www.google.com", win7ie8 "https://www.google.com" etc.
# For local server running on port 3000, use like this
# Usage: ipad3 "https://localhost:3000" "localhost,3000,0", win7ie8 "https://localhost:3000" "localhost,3000,0" etc.
# For local server running on apache with ssl as staging.example.com and https://staging.example.com
# Usage: ipad3 "https://staging.example.com" "staging.example.com,80,0,staging.example.com,443,1", win7ie8 "https://staging.example.com" "staging.example.com,80,0,staging.example.com,443,1" etc.
function openurl(){
if [ $2 ]
then
url=$1"&host_ports=$2"
fi
open -a google\ chrome ${url}
}
function androidnexus(){
local url="https://www.browserstack.com/start#os=android&os_version=4.0.3&device=Samsung+Galaxy+Nexus&zoom_to_fit=true&url=$1&start=true"
openurl $url $2
}
function ipad3(){
local url="https://www.browserstack.com/start#os=ios&os_version=5.1&device=iPad+3rd&zoom_to_fit=true&resolution=1024x768&speed=1&url=$1&start=true"
openurl $url $2
}
function ipad3ios6(){
local url="https://www.browserstack.com/start#os=ios&os_version=6.1&device=iPad+3rd&zoom_to_fit=true&resolution=1024x768&speed=1&url=$1&start=true"
openurl $url $2
}
function ipad2(){
local url="https://www.browserstack.com/start#os=ios&os_version=5.1&device=iPad+2nd&zoom_to_fit=true&resolution=1024x768&speed=1&url=$1&start=true"
openurl $url $2
}
function win7ie8(){
local url="https://www.browserstack.com/start#os=Windows&os_version=7&browser=IE&browser_version=8.0&zoom_to_fit=true&resolution=1024x768&speed=1&url=$1&start=true"
openurl $url $2
}
function win7ie9(){
local url="https://www.browserstack.com/start#os=Windows&os_version=7&browser=IE&browser_version=9.0&zoom_to_fit=true&resolution=1024x768&speed=1&url=$1&start=true"
openurl $url $2
}
function win8ie10(){
local url="https://www.browserstack.com/start#os=Windows&os_version=8&browser=IE&browser_version=10.0&zoom_to_fit=true&resolution=1024x768&speed=1&url=$1&start=true"
openurl $url $2
}
function winxpie8(){
local url="https://www.browserstack.com/start#os=Windows&os_version=XP&browser=IE&browser_version=8.0&zoom_to_fit=true&resolution=1024x768&speed=1&url=$1&start=true"
openurl $url $2
}
function winxpie7(){
local url="https://www.browserstack.com/start#os=Windows&os_version=XP&browser=IE&browser_version=7.0&zoom_to_fit=true&resolution=1024x768&speed=1&url=$1&start=true"
openurl $url $2
}
function winxpie6(){
local url="https://www.browserstack.com/start#os=Windows&os_version=XP&browser=IE&browser_version=6.0&zoom_to_fit=true&resolution=1024x768&speed=1&url=$1&start=true"
openurl $url $2
}
function win7chrome(){
local url="https://www.browserstack.com/start#os=Windows&os_version=7&browser=Chrome&browser_version=21.0&zoom_to_fit=true&resolution=1024x768&speed=1&url=$1&start=true"
openurl $url $2
}
function win7ff(){
local url="https://www.browserstack.com/start#os=Windows&os_version=7&browser=Firefox&browser_version=16.0&zoom_to_fit=true&resolution=1024x768&speed=1&url=$1&start=true"
openurl $url $2
}
# GitHub URL for current repo.
function gurl() {
local remotename="${@:-origin}"
local remote="$(git remote -v | awk '/^'"$remotename"'.*\(push\)$/ {print $2}')"
[[ "$remote" ]] || return
local user_repo="$(echo "$remote" | perl -pe 's/.*:https://;s/\.git$//')"
echo "https://github.com/$user_repo"
}
# open all changed files (that still actually exist) in the editor
# credit: @cowboy
function ged() {
local files=()
for f in $(git diff --name-only "$@"); do
[[ -e "$f" ]] && files=("${files[@]}" "$f")
done
local n=${#files[@]}
echo "Opening $n $([[ "$@" ]] || echo "modified ")file$([[ $n != 1 ]] && \
echo s)${@:+ modified in }$@"
q "${files[@]}"
}
# open last commit in GitHub, in the browser.
# credit: @cowboy
function gfu() {
local n="${@:-1}"
n=$((n-1))
open $(git log -n 1 --skip=$n --pretty=oneline | awk "{printf \"$(gurl)/commit/%s\", substr(\$1,1,7)}")
}