Plan 9 from Bell Labs’s /usr/web/sources/contrib/gabidiaz/root/sys/src/cmd/snmpfs/tools/table.rc
#!/bin/rc awk -v 'nf='^$1 'BEGIN{n=1;} { if ( n == nf ) { for(i=1;i<=nf;i++) { printf("%s ",f[i]); } printf("\n"); n=1; } f[n]=$2 n++; } '