这是示例文件:
someText here some other columns (exist but I don't intend to read them)
anotherText there some other columns (exist but I don't intend to read them)
YouAreGood here some other columns (exist but I don't intend to read them)
HeIsNormal there some other columns (exist but I don't intend to read them)
我想检查第二列是否是here
,然后做点什么。
这是我的尝试,我不确定如何正确:
#!/usr/bin/bash
awk '{print $2}' sample | while read -r line
do
if [ "$line" == 'here' ]
then
echo "$line"
fi
done
第二个文件中的预期输出:
someText
YouAreGood
我考虑使用awk '{print $2}' sample
或if [ "$line '{print $2}'" == 'here' ]
,但它将始终执行else
块。
分析解答
看起来这个awk
应该对您有用:
awk '$2 == "here" {print $1}' file
someText
YouAreGood