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代码： 全选

[xuhao@localhost ~]$ cat fruit_prices.txt

Fruit     Price/lbs  Quantity
Banana    0.89       100
paech     0.79       65
Kiwi      1.59       22
Pineapple 1.29       35     
Apple     0.99       38
[xuhao@localhost ~]$ cat reorder_expensive.sh
#!/bin/bash

awk '{
if( $2 ~ /[1-9]\.[0-9][0-9]$/ ){
print $0,"*";}
else {print $0}
}' fruit_prices.txt|awk '{if($3<75){print $0,"reoder"}
else {print $0}}';

[xuhao@localhost ~]$ ./reorder_expensive.sh
 reoder
Fruit     Price/lbs  Quantity
Banana    0.89       100
paech     0.79       65 reoder
Kiwi      1.59       22 * reoder
Pineapple 1.29       35      * reoder
Apple     0.99       38 reoder
[xuhao@localhost ~]$