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.functions
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.functions
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# 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 $arg .[^.]* *
fi
}
# Start an HTTP server from a directory, optionally specifying the port
function server() {
local port="${1:-8000}"
sleep 1 && open "http://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"
}
# Start a PHP server from a directory, optionally specifying the port
# (Requires PHP 5.4.0+.)
function phpserver() {
local port="${1:-4000}"
local ip=$(ipconfig getifaddr en1)
sleep 1 && open "http://${ip}:${port}/" &
php -S "${ip}:${port}"
}
# Compare original and gzipped file size
function gz() {
local origsize=$(wc -c < "$1")
local gzipsize=$(gzip -c "$1" | wc -c)
local ratio=$(echo "$gzipsize * 100/ $origsize" | bc -l)
printf "orig: %d bytes\n" "$origsize"
printf "gzip: %d bytes (%2.2f%%)\n" "$gzipsize" "$ratio"
}
# 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
}
# 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)
# print a newline unless we’re piping the output to another program
if [ -t 1 ]; then
echo # newline
fi
}
# Decode \x{ABCD}-style Unicode escape sequences
function unidecode() {
perl -e "binmode(STDOUT, ':utf8'); print \"$@\""
# print a newline unless we’re piping the output to another program
if [ -t 1 ]; then
echo # newline
fi
}
# Get a character’s Unicode code point
function codepoint() {
perl -e "use utf8; print sprintf('U+%04X', ord(\"$@\"))"
# print a newline unless we’re piping the output to another program
if [ -t 1 ]; then
echo # newline
fi
}
# Show all the names (CNs and SANs) listed in the SSL certificate
# for a given domain
function getcertnames() {
if [ -z "${1}" ]; then
echo "ERROR: No domain specified."
return 1
fi
local domain="${1}"
echo "Testing ${domain}…"
echo # newline
local tmp=$(echo -e "GET / HTTP/1.0\nEOT" \
| openssl s_client -connect "${domain}:443" 2>&1);
if [[ "${tmp}" = *"-----BEGIN CERTIFICATE-----"* ]]; then
local certText=$(echo "${tmp}" \
| openssl x509 -text -certopt "no_header, no_serial, no_version, \
no_signame, no_validity, no_issuer, no_pubkey, no_sigdump, no_aux");
echo "Common Name:"
echo # newline
echo "${certText}" | grep "Subject:" | sed -e "s/^.*CN=//";
echo # newline
echo "Subject Alternative Name(s):"
echo # newline
echo "${certText}" | grep -A 1 "Subject Alternative Name:" \
| sed -e "2s/DNS://g" -e "s/ //g" | tr "," "\n" | tail -n +2
return 0
else
echo "ERROR: Certificate not found.";
return 1
fi
}
# `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
}
# `tre` is a shorthand for `tree` with hidden files and color enabled, ignoring
# the `.git` directory, listing directories first. The output gets piped into
# `less` with options to preserve color and line numbers, unless the output is
# small enough for one screen.
function tre() {
tree -aC -I '.git|node_modules|bower_components' --dirsfirst "$@" | less -FRNX
}
# select $1 row
function osel() {
head -n $1 | tail -n 1
}
function open() {
xdg-open "$@"
}
# apt helpers
function sagi() {
sudo apt-get install "$@"
}
function acse() {
apt-cache search "$@"
}
function acsh() {
apt-cache show "$@"
}
function acshp() {
apt-cache showpkg "$@"
}
function dockercleannoneimages() {
docker rmi $(docker images | grep "^<none>" | awk 'BEGIN {FS = " "} {print $3}')
}
function dpkglg() {
dpkg -l | grep "$@"
}
function silent() {
$@ > /dev/null 2>&1 &
}
function lognshow() {
$@ 2> >(tee ./run-error.log) > >(tee ./run.log)
}
# Usage: bupgz <archive-name> <list-of-files> ...
function bupgz() {
tar -czf $1-`date +%Y%m%d-%H%M%S`.tgz ${*:2}
}
function ca() {
chromium-browser --app="$@"
}