statusLine command for Claude Code

statusline-command.sh

#!/bin/bash
# statusLine command for Claude Code
# save it as ~/.claude/statusline-command.sh

input=$(cat)

host=$(hostname -s)
dir=$(echo "$input" | jq -r '.workspace.current_dir // .cwd // empty')
[ -z "$dir" ] && dir=$(pwd)

model_id=$(echo "$input" | jq -r '.model.id // empty')
effort=$(echo  "$input" | jq -r '.effort.level // empty')

ctx=$(echo  "$input" | jq -r '.context_window.used_percentage        // empty')
five=$(echo "$input" | jq -r '.rate_limits.five_hour.used_percentage // empty')
week=$(echo "$input" | jq -r '.rate_limits.seven_day.used_percentage // empty')

# Render a 10-char colored gauge for a percentage (integer/float) or empty.
render_bar() {
  local val="$1"
  local width=10
  local out="" i

  # absent -> gray empty bar, no text
  if [ -z "$val" ]; then
    for ((i=0; i<width; i++)); do
      out+=$(printf '\033[38;5;245;48;5;236m ')
    done
    printf '%s\033[0m' "$out"
    return
  fi

  local p
  p=$(printf '%.0f' "$val")
  [ "$p" -lt 0 ]   && p=0
  [ "$p" -gt 100 ] && p=100

  # hue: dark / light 256-color codes
  local dark light
  if   [ "$p" -lt 80 ];  then dark=22;  light=120   # green
  elif [ "$p" -lt 100 ]; then dark=94;  light=215   # orange
  else                        dark=88;  light=210   # red
  fi

  local filled=$(( p / 10 ))   # floor: only 100% fills all 10

  local text="${p}%"               # integer percent (source resolution is 1)
  local L=${#text}
  local start
  if [ "$p" -lt 50 ]; then
    start=$(( width - L ))         # end at rightmost empty cell
  else
    start=0                        # start at leftmost filled cell
  fi
  (( start < 0 ))          && start=0
  (( start + L > width ))  && start=$(( width - L ))

  local ch fg bg
  for ((i=0; i<width; i++)); do
    ch=' '
    if (( i >= start && i < start + L )); then
      ch=${text:$((i - start)):1}
    fi
    if (( i < filled )); then
      fg=$dark;  bg=$light
    else
      fg=$light; bg=$dark
    fi
    out+=$(printf '\033[38;5;%d;48;5;%dm%s' "$fg" "$bg" "$ch")
  done
  printf '%s\033[0m' "$out"
}

ctx_bar=$(render_bar "$ctx")
five_bar=$(render_bar "$five")
week_bar=$(render_bar "$week")

model_display=""
[ -n "$model_id" ] && model_display=$(printf '\033[01;36m%s\033[00m' "$model_id")

effort_display=""
[ -n "$effort" ] && effort_display=$(printf ' \033[01;35m%s\033[00m' "$effort")

printf '\033[01;34m%s\033[00m:\033[01;33m%s\033[00m\n' "$host" "$dir"
printf 'ctx:[%s] 5h:[%s] w:[%s] %s%s' "$ctx_bar" "$five_bar" "$week_bar" "$model_display" "$effort_display"

screen shot