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my macOS bash profile
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export PS1="\[\033[36m\]\u\[\033[m\]@\[\033[32m\]\h:\[\033[33;1m\]\w\[\033[m\]\$ " | |
export CLICOLOR=1 | |
export LSCOLORS=ExFxBxDxCxegedabagacad | |
# Retries a command a with backoff. | |
# | |
# The retry count is given by ATTEMPTS (default 5), the | |
# initial backoff timeout is given by TIMEOUT in seconds | |
# (default 1.) | |
# | |
# Successive backoffs double the timeout. | |
# | |
# Beware of set -e killing your whole script! | |
# | |
# https://coderwall.com/p/--eiqg/exponential-backoff-in-bash | |
function with_backoff { | |
local max_attempts=${ATTEMPTS-5} | |
local timeout=${TIMEOUT-1} | |
local attempt=0 | |
local exitCode=0 | |
while [[ $attempt < $max_attempts ]] | |
do | |
"$@" | |
exitCode=$? | |
if [[ $exitCode == 0 ]] | |
then | |
break | |
fi | |
echo "Failure! Retrying in $timeout.." 1>&2 | |
sleep $timeout | |
attempt=$(( attempt + 1 )) | |
timeout=$(( timeout * 2 )) | |
done | |
if [[ $exitCode != 0 ]] | |
then | |
echo "You've failed me for the last time! ($@)" 1>&2 | |
fi | |
return $exitCode | |
} | |
urldecode() { | |
# urldecode <string> | |
local url_encoded="${1//+/ }" | |
printf '%b' "${url_encoded//%/\\x}" | |
} | |
#https://stackoverflow.com/a/26500519/3896616 | |
resume() { | |
local url=${1:?"Error: Missing url"} | |
local file=${2} | |
# try to detect file name from http headers | |
if [[ -z "$file" ]]; then | |
local header="$(curl -sI "$url" | tr -d '\r')" | |
file="$(echo "$header" | sed -nE "s/.*filename.?=(.*'')?(.*)$/\2/p")" | |
if [[ -z "$file" ]]; then | |
file="$(echo "$header" | grep -o -E 'Location:.*$')" | |
if [[ -n "$file" ]]; then | |
file=$(basename "${file#Location\:}") | |
fi | |
file=$(urldecode $file) | |
fi | |
fi | |
# fallback to filename from url | |
if [[ -z "$file" ]]; then | |
file="$(basename $1 | cut -d \? -f 1)" | |
file=$(urldecode $file) | |
fi | |
(ATTEMPTS=99 with_backoff curl --speed-limit 0 --speed-limit 60 -C - -o "$file" "$url") | |
} | |
alias ls='ls -GFh' | |
alias ll='ls -l' | |
alias gpg='LANG=en gpg' | |
alias randmac='echo ifconfig en0 ether $(openssl rand -hex 6 | sed "s/\(..\)/\1:/g; s/.$//")' | |
alias tmux='tmux attach || tmux new-session' | |
export NVM_DIR="$HOME/.nvm" | |
[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh" # This loads nvm | |
[ -s "$NVM_DIR/bash_completion" ] && \. "$NVM_DIR/bash_completion" # This loads nvm bash_completion |
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