rust-bash 0.3.0

# Functions: definition, local vars, return, recursion, positional params

[[cases]]
name = "basic_function_call"
script = '''
greet() { echo "hello $1"; }
greet world
'''
stdout = """
hello world
"""
stderr = ""
exit_code = 0

[[cases]]
name = "function_keyword_syntax"
script = '''
function greet { echo "hi $1"; }
greet there
'''
stdout = """
hi there
"""
stderr = ""
exit_code = 0

[[cases]]
name = "local_variable"
script = '''
f() {
  local X=inner
  echo "$X"
}
X=outer
f
echo "$X"
'''
stdout = """
inner
outer
"""
stderr = ""
exit_code = 0

[[cases]]
name = "return_value"
script = '''
is_even() {
  if [ $(($1 % 2)) -eq 0 ]; then return 0; else return 1; fi
}
is_even 4; echo $?
is_even 3; echo $?
'''
stdout = """
0
1
"""
stderr = ""
exit_code = 0

[[cases]]
name = "function_positional_params"
script = '''
show() { echo "$# args: $1 $2 $3"; }
show a b c
'''
stdout = """
3 args: a b c
"""
stderr = ""
exit_code = 0

[[cases]]
name = "recursive_function"
script = '''
countdown() {
  if [ "$1" -le 0 ]; then return; fi
  echo "$1"
  countdown $(($1 - 1))
}
countdown 3
'''
stdout = """
3
2
1
"""
stderr = ""
exit_code = 0

[[cases]]
name = "dollar_at_preserves_words"
script = '''
show_args() { for a in "$@"; do echo "[$a]"; done; }
show_args "hello world" "foo bar"
'''
stdout = """
[hello world]
[foo bar]
"""
stderr = ""
exit_code = 0

[[cases]]
name = "dollar_star_joins_with_ifs"
script = '''
show_star() { echo "$*"; }
IFS=,
show_star a b c
'''
stdout = """
a,b,c
"""
stderr = ""
exit_code = 0