useful aliases

.zshrc

alias ci='composer install'
alias c='composer'
alias cu='composer update'
alias o='open .'
alias ..='cd ..'
alias ...='cd ../..'
alias ....='cd ../../..'
alias gs='git status'
alias gsh='git push'
alias gll='git pull'
alias gc='git commit -m'
alias gd='git diff'
alias gi='git init'
alias gl='git clone'
alias ga='git add .'
alias gall='git pull; git add .; git commit -m "composer update"; git push;'
alias tailf='tail -f'

alias .='xdg-open .'
alias mynetspeed='curl -s "https://raw.githubusercontent.com/sivel/speedtest-cli/master/speedtest.py" | python -'

# Public IP address.
alias public-ip="dig +short myip.opendns.com @resolver1.opendns.com"
# Local IP address.
alias local-ip="ipconfig getifaddr en0"

function httpless {
    # `httpless example.org'
    http --pretty=all --print=hb "$@" | less -R;
}

# From https://developer.atlassian.com/blog/2015/02/ten-tips-for-wonderful-bash-productivity/
function col {
  awk -v col=$1 '{print $col}'
}

# From https://developer.atlassian.com/blog/2015/02/ten-tips-for-wonderful-bash-productivity/
function skip {
  n=$(($1 + 1))
  cut -d' ' -f$n-
}

# Generate random string with given length. 32 by default.
function rand {
  cat /dev/urandom | gtr -dc 'A-HJ-NP-Za-km-z2-9' | fold -w ${1:-32} | head -n 1
}

function timestamp {
  date '+%s'
}

how_to()
{
  where="$1"; shift
  IFS=+ curl "cht.sh/$where/$*"
}