Question

我有一个bash脚本可以正常使用两个awk语句，我可以在控制台中为两个语句可视化输出但是当我想将结果存储在一个文件中时，我只能获得一个（它看起来像一个种族，有时候语句1的结果有时会存储在语句2的结果中）。我的代码就像这样

   awk -F "," '

   BEGIN {

   print" ===================================================================== "
                          {printf "%80s\n",  "Table 1"  } 

  print"======================================================================= "


    }

 ##process table 1

 END {

 print " #######  END TABLE 1 ##################\n\n\n "
 } ' >file.txt

 ###### 2nd statement 

   awk -F "," '

   BEGIN {

   print" ====================================================== "
                    {printf "%80s\n",  "Table 2"  }                                                                       
 print"========================================================== "

 }

 ##process table 2

 END {

 print "################END TABLE 2 ######################3 \n\n\n "
 } ' >file.txt

Answer 1

您的第二个需要>>附加文件，而不是>

覆盖它

所以：

awk 'this is first awk' > file.txt
awk 'this is second awk' >> file.txt

Answer 2

要将bash命令的输出附加到现有文件，请使用>>

#each time create a new file.txt
echo test1 > file.txt
echo test2 > file.txt

#if file.txt does not exists, behave like >, otherwise append to it
echo test3 >> file.txt

more file.txt
>> test2
   test3

将多个awk语句的结果存储在同一个文件中

2 个答案: