def frames

ezx@1.11.0.0 · src/share/say.bend:176

import Base

176# a mark on the terminal while the parent is alive. `$1` is the terminal,
177# `$2` the line. The mark walks ⠋ ⠙ ⠹ ⠸ ⠼ ⠴ ⠦ ⠧ ⠇ ⠏. An empty parent
178# id exits rather than spinning on `/proc`.
179def frames() -> String:
180  "ppid=; while read -r k v; do case $k in PPid:) ppid=$v;; esac; done < /proc/self/status; [ -n \"$ppid\" ] || exit 0; while [ -d /proc/$ppid ]; do printf '\\r%s %s' '⠋' \"$2\" >\"$1\"; sleep 0.08; [ -d /proc/$ppid ] || break; printf '\\r%s %s' '⠙' \"$2\" >\"$1\"; sleep 0.08; [ -d /proc/$ppid ] || break; printf '\\r%s %s' '⠹' \"$2\" >\"$1\"; sleep 0.08; [ -d /proc/$ppid ] || break; printf '\\r%s %s' '⠸' \"$2\" >\"$1\"; sleep 0.08; [ -d /proc/$ppid ] || break; printf '\\r%s %s' '⠼' \"$2\" >\"$1\"; sleep 0.08; [ -d /proc/$ppid ] || break; printf '\\r%s %s' '⠴' \"$2\" >\"$1\"; sleep 0.08; [ -d /proc/$ppid ] || break; printf '\\r%s %s' '⠦' \"$2\" >\"$1\"; sleep 0.08; [ -d /proc/$ppid ] || break; printf '\\r%s %s' '⠧' \"$2\" >\"$1\"; sleep 0.08; [ -d /proc/$ppid ] || break; printf '\\r%s %s' '⠇' \"$2\" >\"$1\"; sleep 0.08; [ -d /proc/$ppid ] || break; printf '\\r%s %s' '⠏' \"$2\" >\"$1\"; sleep 0.08; done"