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diff --git a/ttfb b/ttfb
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-#!/bin/bash
-#
-# Shows time in seconds to first byte of a url or urls
-#
-# Based on a gist https://gist.github.com/sandeepraju/1f5fbdbdd89551ba7925abe2645f92b5
-# by https://github.com/sandeepraju
-#
-# Modified by jay@gooby.org, @jaygooby
-#
-# Usage: ttfb [options] url [url...]
-#   -d debug
-#   -l <log file> (infers -d) log response headers. Defaults to ./curl.log
-#   -n <number> of times to test time to first byte
-#   -v verbose output. Show request breakdown during -n calls
-#
-# Examples:
-#
-# ttfb https://example.com/example/url
-# .098974
-#
-# ttfb -n 5 https://example.com/
-# .....
-# fastest .099195 slowest .103138 median .099684
-#
-# ttfb -n 5 bbc.co.uk news.bbc.co.uk
-# .....
-# .....
-# bbc.co.uk       fastest .045873 slowest .046870 median .045999
-# news.bbc.co.uk  fastest .042286 slowest .060245 median .046035
-#
-# ttfb bbc.co.uk news.bbc.co.uk
-# bbc.co.uk        .048378
-# news.bbc.co.uk   .049303
-#
-# Implicitly follows redirects using curl's -L option.
-#
-# Log all response headers (default log file is ./curl.log) by calling with -d
-#
-# Override the default log file by specifying -l /some/file
-#
-# Get min, max and median values by specifying the number of times to call
-# the URL; use -n2 for 2 tests, -n5 for 5 and so on.
-#
-# If you specify more than one url and have specified -d or -l, the log file
-# will be prefixed with the URL being requested.
-#
-# If you specify -n and -d or -l, the response headers from the consecutive
-# requests will be concatenated in the log file.
-#
-# See https://blog.cloudflare.com/a-question-of-timing/
-# and https://curl.haxx.se/docs/manpage.html for an explanation
-# of how the curl variables relate to the various stages of
-# the transfer.
-#
-# To get a better approximation of devtool's TTFB, consider
-# the time without the connection overhead:
-# %{time_starttransfer} - %{time_appconnect}
-#
-# Uses a dirty eval to do the ttfb arithmetic. Depends
-# on bc and column commands.
-set -eu
-
-# check dependencies
-for dependency in curl bc column; do
-  which -s $dependency || (echo "You need to have '$dependency' installed and in your \$PATH" >&2 && exit 1)
-done
-
-# Cribbed from https://stackoverflow.com/a/41762669/391826
-median() {
-  arr=($(printf '%s\n' "${@}" | sort -n))
-  nel=${#arr[@]}
-  if (( $nel % 2 == 1 )); then     # Odd number of elements
-    val="${arr[ $(($nel/2)) ]}"
-  else                            # Even number of elements
-    (( j=nel/2 ))
-    (( k=j-1 ))
-    val=$(echo "scale=6;(${arr[j]}" + "${arr[k]})"/2|bc -l)
-  fi
-  echo $val
-}
-
-# defaults
-DEBUG=""
-LOG=""
-NUM_REQUESTS=0
-VERBOSE=0
-
-while getopts ":n:dl:v" OPTION
-do
-    case $OPTION in
-        d) DEBUG=1 ;;
-        l) LOG="$OPTARG" ;;
-        n) NUM_REQUESTS=$OPTARG ;;
-        v) VERBOSE=1 ;;
-        \?) echo -e "Usage: ttfb [options] url [url...]\n\t-d debug\n\t-l <log file> (infers -d) log response headers. Defaults to ./curl.log\n\t-n <number> of times to test time to first byte\n\t-v verbose output. Show response breakdown (DNS lookup, TLS handshake etc)" >&2
-            exit 1
-            ;;
-    esac
-done
-
-shift $((OPTIND - 1))  # shifts away every option argument,
-                       # leaving urls as $@
-
-if [ -z "$1" ]; then
-  echo "You didn't specify any urls to fetch"
-  exit 1
-else
-  URLS="$@"
-fi
-
-# if we're given a custom log file, or log directory, implicitly set DEBUG=1
-[ -n "$LOG" ] && DEBUG=1
-
-# default the log file to curl.log in pwd or LOG_DIRECTORY if -o was specified
-LOG="${LOG:-curl.log}"
-
-# now work out if $LOG is relative or an absolute path
-# and then get the dirname
-[ "$LOG" != "${LOG#/}" ] && LOG_DIRECTORY=$(dirname "$LOG") || LOG_DIRECTORY=$(dirname "${PWD}/$LOG")
-if [ ! -d "$LOG_DIRECTORY" ]; then
-   echo "Log directory $LOG_DIRECTORY doesn't exist" >&2
-   exit 1;
-fi
-
-# then set the actual log filename
-LOG=$(basename "$LOG")
-
-DEBUG=${DEBUG:-0}
-
-options=()
-options+=(-o /dev/null)
-options+=(-s)
-options+=(-L)
-options+=(--http2)
-options+=(-H 'Cache-Control: no-cache')
-options+=(-w 'echo DNS lookup: %{time_namelookup} TLS handshake: %{time_appconnect} TTFB including connection: %{time_starttransfer} TTFB: $(echo %{time_starttransfer} - %{time_appconnect} | bc) Total time: %{time_total} \n')
-if [ $DEBUG -eq 1 ]; then
-  options+=(-D "${LOG_DIRECTORY}/${LOG}")
-fi
-
-for URL in $URLS; do
-
-  # if we're checking more than one url
-  # output the url on the results line
-  if [ ${#@} -gt 1 ]; then
-    SHOW_URL="${URL}|"
-    if [[ $VERBOSE -eq 1 && -n "$NUM_REQUESTS" && "$NUM_REQUESTS" -gt 1 ]]; then
-      echo $URL >&2
-    fi
-  else
-    SHOW_URL=""
-  fi
-
-  # if multiple requests have been specified, then show min, max & median values
-  if [[ -n "$NUM_REQUESTS" && "$NUM_REQUESTS" -gt 1 ]]; then
-    ttfbs=()
-    for i in $(seq $NUM_REQUESTS); do
-
-      # if we're checking more than one url, and debug is set, then log
-      # the headers to a per-url file, but also for each request
-      if [[ ${#@} -gt 1 && $DEBUG -eq 1 ]]; then
-        LOGFILE="${URL//[^[:alnum:]]/_}"
-        options+=(-D "${LOG_DIRECTORY}/${LOGFILE}-${LOG}_${i}")
-      elif [ $DEBUG -eq 1 ]; then
-        # we only have the one URL, but we still are requesting multiple
-        # ttfb calls, so log the headers
-        options+=(-D "${LOG_DIRECTORY}/${LOG}_${i}")
-      fi
-
-      request=$(eval $(curl "${options[@]}" "$URL"))
-      ttfbs+=($(echo $request | grep -oE "TTFB: .{0,7}" | cut -d' ' -f2 | sort -n));
-      if [ $VERBOSE -eq 1 ]; then
-        echo "$request" >&2
-      else
-        printf "." >&2
-      fi
-    done
-
-    # tidy up - combine multiple request logs for the same url into a single file
-    if [[ ${#@} -gt 1 && $DEBUG -eq 1 ]]; then
-      cat "${LOG_DIRECTORY}/${LOGFILE}-${LOG}_"* > "${LOG_DIRECTORY}/${LOGFILE}-${LOG}"
-      rm "${LOG_DIRECTORY}/${LOGFILE}-${LOG}_"*
-    elif [ $DEBUG -eq 1 ]; then
-      cat "${LOG_DIRECTORY}/${LOG}_"* > "${LOG_DIRECTORY}/${LOG}"
-      rm "${LOG_DIRECTORY}/${LOG}_"*
-    fi
-
-    printf "\n" >&2
-    # sort the times
-    ttfbs=( $( printf "%s\n" "${ttfbs[@]}" | sort -n ) )
-    # show quickest, slowest and median fftb
-    printf "${SHOW_URL}\e[32mfastest \e[39m${ttfbs[0]} \e[91mslowest \e[39m${ttfbs[${#ttfbs[*]}-1]} \e[95mmedian \e[39m$(median ${ttfbs[*]})\e[39m\n";
-  else
-   if [ $VERBOSE -eq 1 ]; then
-     echo -e $SHOW_URL $(eval $(curl "${options[@]}" "$URL"))
-   else
-     echo -e $SHOW_URL $(eval $(curl "${options[@]}" "$URL") | grep -oE "TTFB: .{0,7}" | cut -d' ' -f2)
-   fi
-  fi
-done | column -s'|' -t