@main[]
$script[./cat^os[-windows].sh]
$f[^file::load[binary;370.dat]]
$fb[^file::exec[binary;$script; $.stdin[$f] ;stdin]]
binary with first 0x00 byte:^json:string[$fb; $.file[base64] ]
$f[^file::create[text;sample.txt;АБВ]]
$ft[^file::exec[$script; $.stdin[$f] $.charset[windows-1251] ;stdin]]
text stdin (input converted, output converted back): $ft.text
$f[^file::create[binary;sample.txt;АБВ]]
$ft[^file::exec[$script; $.stdin[$f] $.charset[windows-1251] ;stdin]]
binary stdin (input not converted, output converted win->utf): $ft.text
$ft[^file::exec[binary;$script; $.stdin[$f] $.charset[windows-1251] ;stdin]]
binary exec + binary stdin (input not converted, output not converted): $ft.text
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