bin/cowsayeternal

17 lines
461 B
Bash
Executable File

#!/bin/bash
cowsaidfile="$(mktemp)"
cowsay "E T E R N A L" > "$cowsaidfile"
trap_exit() {
cat "$cowsaidfile"
rm "$cowsaidfile"
}
trap trap_exit EXIT
while true; do
# Shut up shellcheck; that's the whole point. cowsay does a full read
# before it writes back to the file anyway.
# shellcheck disable=2094
cowsay -n < "$cowsaidfile" 1<> "$cowsaidfile"
printf "%s bytes of cowsay; hit Ctrl+C to dump them\\n" \
"$(stat --printf="%s" "$cowsaidfile")"
done