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# Tests corresponding to the `Redirection' texinfo node.

%prep
  mkdir redir.tmp && cd redir.tmp

%test

  print 'This is file redir' >redir  &&  cat redir
0:'>' and '<' redirection
>This is file redir

  rm -f redir
  print 'This is still file redir' <>redir >&0  &&  cat <>redir
0:'<>' redirection
>This is still file redir

  rm -f redir
  print 'With a bar' >|redir  &&  cat redir
0:'>|' redirection
>With a bar

  rm -f redir
  print 'With a bang' >!redir  &&  cat redir
0:'>!' redirection
>With a bang

  rm -f redir
  print 'Line 1' >>redir  &&  print 'Line 2' >>redir  &&  cat redir
0:'>>' redirection
>Line 1
>Line 2

  rm -f redir
  print 'Line a' >>|redir  &&  print 'Line b' >>!redir
0:'>>|' and '>>!' redirection

  foo=bar
  cat <<'  HERE'
  $foo
  HERE
  eval "$(print 'cat <<HERE\n$foo\nHERE')"
0:Here-documents
>  $foo
>bar

  cat <<-HERE
# note tabs at the start of the following lines
	$foo$foo
	HERE
0:Here-documents stripping tabs
>barbar

  cat <<<"This is a line with a $foo in it"
0:'<<<' redirection
>This is a line with a bar in it

  exec 3>redir  &&  print hello >&3  &&  print goodbye >&3  && cat redir
0:'>&' redirection
>hello
>goodbye

  exec 3<redir && read foo <&3 && print $foo && read foo <&3 && print $foo
0:'<&' redirection
>hello
>goodbye

  exec 3<&-
  read foo <&-
1:'<&-' redirection

  print foo >&-
0:'>&-' redirection

  fn() { local foo; read foo; print $foo; }
  coproc fn
  print test output >&p
  read bar <&p
  print $bar
0:'>&p' and '<&p' redirection
>test output

  ( print Output; print Error >& 2 ) >&errout  &&  cat errout
0:'>&FILE' handling
>Output
>Error

  rm -f errout
  ( print Output2; print Error2 >& 2 ) &>errout  &&  cat errout
0:'&>FILE' handling
>Output2
>Error2

  rm -f errout
  ( print Output3; print Error3 >& 2 ) >&|errout  &&  cat errout
  ( print Output4; print Error4 >& 2 ) >&!errout  &&  cat errout
  ( print Output5; print Error5 >& 2 ) &>|errout  &&  cat errout
  ( print Output6; print Error6 >& 2 ) &>!errout  &&
  ( print Output7; print Error7 >& 2 ) >>&errout  &&
  ( print Output8; print Error8 >& 2 ) &>>errout  &&
  ( print Output9; print Error9 >& 2 ) >>&|errout  &&
  ( print Output10; print Error10 >& 2 ) &>>|errout  &&
  ( print Output11; print Error11 >& 2 ) >>&!errout  &&
  ( print Output12; print Error12 >& 2 ) &>>!errout  &&  cat errout
0:'>&|', '>&!', '&>|', '&>!' redirection
>Output3
>Error3
>Output4
>Error4
>Output5
>Error5
>Output6
>Error6
>Output7
>Error7
>Output8
>Error8
>Output9
>Error9
>Output10
>Error10
>Output11
>Error11
>Output12
>Error12

  rm -f errout
  ( print Output; print Error 1>&2 ) 1>errout 2>&1  && cat errout
0:'Combining > with >& (1)'
>Output
>Error

  rm -f errout
  ( print Output; print Error 1>&2 ) 2>&1 1>errout   &&  print errout:  &&
  cat errout
0:'Combining > with >& (2)'
>Error
>errout:
>Output

# Following two tests have to be separated since in
#   print bar >foo >bar && print "$(<foo) $(<bar)"
# the multios aren't flushed until after the substitutions take
# place.  This can't be right.
  rm -f errout
  print doo be doo be doo >foo >bar 
0:setup 2-file multio

  print "foo: $(<foo)\nbar: $(<bar)"
0:read 2-file multio
>foo: doo be doo be doo
>bar: doo be doo be doo

  rm -f foo bar
  print dont be dont be dont >foo | sed 's/dont/wont/g' >bar
0:setup file+pipe multio

  print "foo: $(<foo)\nbar: $(<bar)"
0:read file+pipe multio
>foo: dont be dont be dont
>bar: wont be wont be wont

  rm -f *
  touch out1 out2
  print All files >*
0:setup multio with globbing

  print *
  print "out1: $(<out1)\nout2: $(<out2)"
0:read multio with globbing
>out1 out2
>out1: All files
>out2: All files

  print This is out1 >out1
  print This is out2 >out2
0:setup multio for input

# Currently, <out{1,2} doesn't work: this is a bug.
  cat <out*
0:read multio input
>This is out1
>This is out2

  cat out1 | sed s/out/bout/ <out2
0:read multio input with pipe
>This is bout1
>This is bout2

  unset NULLCMD
  >out1
1:null redir with NULLCMD unset
?ZTST_execchunk:2: redirection with no command

  echo this should still work >out1
  print "$(<out1)"
0:null redir in $(...) with NULLCMD unset
>this should still work

  READNULLCMD=cat
  print cat input >out1
  <out1
1:READNULLCMD with NULLCMD unset
?ZTST_execchunk:2: redirection with no command

  NULLCMD=:
  >out1
  [[ ! -s out1 ]] || print out1 is not empty
0:null redir with NULLCMD=:
<input

  print cat input >out1
  <out1
0:READNULLCMD
>cat input

  NULLCMD=cat
  >out1
  cat out1
0:null redir with NULLCMD=cat
<input
>input