ref: f362be8f65afb8dc5c18507d7f3750206ab4f0ec
dir: /cmd/awk.rc/
#!/bin/rc
rfork e
fn check{
expected=$1
shift
if(~ `{$*} $expected){
status=''
}
if not{
>[1=2] echo $* '!=' $expected
exit 'fail'
}
}
check 0 awk 'BEGIN{print length($1)}'