blob: a7e5bef316a31d79d2fb3c57735138a765ed2176 (plain
# I don't like the LS_COLORS environment variable, but GNU tree(1) doesn't
# color its output by default without it; this will coax it into doing so with
# the default colors when writing to a terminal.
# Subshell will run the tests to check if we should color the output
# Not if -n is in the arguments and -C isn't
# Don't tell me about missing options, either
while getopts 'nC' opt 2>/dev/null ; do
case $opt in
n) n=1 ;;
C) C=1 ;;
[ -z "$C" ] || exit 0
[ -z "$n" ] || exit 1
# Not if output isn't a terminal
[ -t 1 ] || exit
# Not if output terminal doesn't have at least 8 colors
[ "$(exec 2>/dev/null;tput colors||tput Co||echo 0)" -ge 8 ]
) ; then
set -- -C "$@"
# Run the command with the determined arguments
command tree "$@"