# Multi-line

# I guess the \ can be highlighted

echo \
    multi- \
    line # shell style

... echo
      multi-
      line
    | cat
    | sort
    ;  # YSH style

echo \{ \}

# Expression keywords

= 42 if true else 41

var a = [3, 4, 5]

#= [x+1 for x in a if x % 2 === 0]

var mydict = {}
if ('key' not in mydict) {
  echo nope
}

if (true and false or null) {
  echo nope
}

= {} is {} 


# = proc
# = func

# Expression constants

= 3.14
= 3.14e-5

= /d+ '.' [a-z A-Z 0-9 '-']+/

= /<capture d d as month> '-' <capture d d as day>/

# Redirects

echo stdout > /dev/null
echo stderr 2> /dev/null

redir {out}> /tmp/out.txt {
  for i in 55 66 77 {
    echo $i >& $out
  }
}

tac /tmp/out.txt


# Word Sequence

echo *.py

echo {a,b}@example.com

echo {0..4}-{a,b}


# Word Language

echo ~/src

echo ~root/src


# Builtin procs

pushd /tmp
popd


# J8 strings

echo u'newline \n backslash \\ double \" single \' tab \t other'
echo b'byte \yff what'
echo b'mu = \u{3bc}'

echo '''
  mu = \u{3bc}
  '''

echo u'''
  mu = \u{3bc}
  '''

var b = b'''
  mu = \u{3bc}
  '''

# echo b'\u{badG}'
# echo b'\y BAD'
# echo b'\yGG BAD'
# echo b'\m BAD'


FOO=bar env -i echo

FOO=bar SPAM_EGGS='baz' env -i echo

# Invalid env name
# FOO=bar SPAM-EGGS='baz' env -i echo

var argv_array = :| echo hi |
@argv_array bye
echo @argv_array bye