10
foo 1
foo 2
foo 3
bar is a function
bar () 
{ 
    exec {v}> $TMPFILE;
    echo $v
}
./vredir.tests: line 19: v: readonly variable
./vredir.tests: line 19: v: cannot assign fd to variable
42
bar is a function
bar () 
{ 
    exec {v}> $TMPFILE;
    echo $v
}
10
line 1
line 2
line 3
bar is a function
bar () 
{ 
    exec {v}<<EOF
line 1
line 2
line 3
EOF

    echo $v
}
10
foo 1
foo 2
foo 3
10
/bin/bash
/bin/csh
/bin/ksh
/bin/sh
/bin/tcsh
/bin/zsh
oclosev is a function
oclosev () 
{ 
    exec {v}>&-
}
iclosev is a function
iclosev () 
{ 
    exec {v}>&-
}
/bin/bash
/bin/csh
/bin/ksh
/bin/sh
/bin/tcsh
/bin/zsh
./vredir3.sub: line 4: v: ambiguous redirect
after
10 11
a
a
swizzle is a function
swizzle () 
{ 
    fd0=0;
    fd1=1;
    exec {stdin}<&$fd0;
    exec {stdout}>&$fd1
}
12 10
a
a
swizzle is a function
swizzle () 
{ 
    exec {fd0}<&0;
    exec {fd1}>&1;
    exec {stdin}<&$fd0-;
    exec {stdout}>&$fd1-
}
ok 1
./vredir6.sub: redirection error: cannot duplicate fd: Invalid argument
./vredir6.sub: line 13: /dev/null: Invalid argument
unset
12 10
a
a
swizzle is a function
swizzle () 
{ 
    exec {fd[0]}<&0;
    exec {fd[1]}>&1;
    exec {stdin}<&${fd[0]}-;
    exec {stdout}>&${fd[1]}-
}
./vredir8.sub: line 12: $fd: Bad file descriptor
