Dúvida: https://pt.stackoverflow.com/questions/355510
grep -oP '(?<=current node: )[0-9]+' $TMPARQ
Arquivo:
OrclLog,1: Number of rows inserted on the current node: 66.
OrclLog,1: Number of rows inserted on the current node: 123.
OrclLog,1: Number of rows inserted on the current node: 4234.
OrclLog,1: Number of rows inserted on the current node: 1332.
OrclLog,1: Number of rows inserted on the current node: 124.
OrclLog,1: Number of rows inserted on the current node: 991923.
Saída:
66
123
4234
1332
124
991923