1、直接测试
root@DESKTOP-1N42TVH:/home/test# ls test.txt root@DESKTOP-1N42TVH:/home/test# cat test.txt ##测试数据 a 3 3 a 3 3 s 1 j s 1 j z c m z c m q e i q e i 3 4 k 3 4 k h f 3 h f 3 root@DESKTOP-1N42TVH:/home/test# awk '{for(i = 4; i <= NF; i++) if($i == 3) {$i = "xxx"} {print $0}}' test.txt ## 将第4列至最后一列的3替换为xxx a 3 3 a xxx xxx s 1 j s 1 j z c m z c m q e i q e i 3 4 k xxx 4 k h f 3 h f xxx