Bash 使用awk作为标题
因此,我正在寻找一些关于文本文件标题的帮助 示例数据文件:Bash 使用awk作为标题,bash,csv,awk,Bash,Csv,Awk,因此,我正在寻找一些关于文本文件标题的帮助 示例数据文件: $ cat filename.txt Consoling,ST,DWC,0900 Scribing,RA,DWC,1000 Gloater,AU,DWC,1100 Crimp,DI,DWC,1200 Moving,TI,DWC,1300 Handbook,EN,EBS,0900 Stifling,BA,EBS,1000 Unclothed,CR,EBS,1100 Until,IC,EBS,1200 $ cat filename.txt
$ cat filename.txt
Consoling,ST,DWC,0900
Scribing,RA,DWC,1000
Gloater,AU,DWC,1100
Crimp,DI,DWC,1200
Moving,TI,DWC,1300
Handbook,EN,EBS,0900
Stifling,BA,EBS,1000
Unclothed,CR,EBS,1100
Until,IC,EBS,1200
$ cat filename.txt
Consoling,ST,DWC,0900
Scribing,RA,DWC,1000
Gloater,AU,DWC,1100
Crimp,DI,DWC,1200
Moving,TI,DWC,1300
Handbook,EN,EBS,0900
Stifling,BA,EBS,1000
Unclothed,CR,EBS,1100
Until,IC,EBS,1200
这是我的awk代码
sort -t, -k3 -k4 filename.txt |
column -ts, |
awk ' { printf "%-8s %-2s %-3s %-3s\n" , "Family Name", "Initals", "Interviewer Initals", "Interview Time" }
{ printf "%-8s %-2s %-3s %3d\n", $1,$2,$3,$4 }
'
输出是这样的
Family Name Initals Interviewer Initals Interview Time
Consoling ST DWC 900
Family Name Initals Interviewer Initals Interview Time
Scribing RA DWC 1000
Family Name Initals Interviewer Initals Interview Time
Gloater AU DWC 1100
Family Name Initals Interviewer Initals Interview Time
Crimp DI DWC 1200
Family Name Initals Interviewer Initals Interview Time
Moving TI DWC 1300
Family Name Initals Interviewer Initals Interview Time
Handbook EN EBS 900
Family Name Initals Interviewer Initals Interview Time
Stifling BA EBS 1000
Family Name Initals Interviewer Initals Interview Time
Unclothed CR EBS 1100
Family Name Initals Interviewer Initals Interview Time
Until IC EBS 1200
但我希望它看起来像这样
Family Name Initals Interviewer Initals Interview Time
Consoling ST DWC 0900
Scribing RA DWC 1000
Gloater AU DWC 1100
Crimp DI DWC 1200
Moving TI DWC 1300
Handbook EN EBS 0900
Stifling BA EBS 1000
Unclothed CR EBS 1100
Until IC EBS 1200
有人知道我需要改变什么吗?感谢要一次性打印页眉,请将特定于页眉的printf命令放置在
开始
块中,例如:
awk '
BEGIN { printf ... header info... }
{ printf ... each data line ... }
'
如果您在处理文件后想要打印某些内容,请使用END
块
至于输出的其余部分,我假设您每次看到新的/不同的面试官时都要打印一行新的内容
{ if ( last_interviewer != $3 ) { printf "\n" ; last_interviewr=$3 }
printf ... each data line
}
所以,把这一切放在一起 数据文件:
$ cat filename.txt
Consoling,ST,DWC,0900
Scribing,RA,DWC,1000
Gloater,AU,DWC,1100
Crimp,DI,DWC,1200
Moving,TI,DWC,1300
Handbook,EN,EBS,0900
Stifling,BA,EBS,1000
Unclothed,CR,EBS,1100
Until,IC,EBS,1200
$ cat filename.txt
Consoling,ST,DWC,0900
Scribing,RA,DWC,1000
Gloater,AU,DWC,1100
Crimp,DI,DWC,1200
Moving,TI,DWC,1300
Handbook,EN,EBS,0900
Stifling,BA,EBS,1000
Unclothed,CR,EBS,1100
Until,IC,EBS,1200
以及我们的awk
解决方案:
$ sort -t, -k3 -k4 filename.txt |
column -ts, |
awk '
# print our header line once, before processing the actual data file:
BEGIN { printf "%-11s %-8s %-20s %-14s\n" , "Family Name", "Initials", "Interviewer Initials", "Interview Time" }
# now process our data file:
{ # if interviewer has changed, print an empty line and make note of our new last_interviewer:
if ( last_interviewer != $3 )
{ printf "\n" ; last_interviewer=$3 }
# print our current data line:
printf "%-11s %-8s %-20s %04d\n", $1,$2,$3,$4
}'
Family Name Initials Interviewer Initials Interview Time
Consoling ST DWC 0900
Scribing RA DWC 1000
Gloater AU DWC 1100
Crimp DI DWC 1200
Moving TI DWC 1300
Handbook EN EBS 0900
Stifling BA EBS 1000
Unclothed CR EBS 1100
Until IC EBS 1200
注意:更新了一些
printf
格式,以处理更宽的标题,并在第四列左键填充零。您能否提供一个与您发布的当前/所需结果相匹配的filename.txt
文件片段?它只是未排序的CSV,因此类似于移动、TI、DWC、1300控制台、ST、,DWC,0900未密封,CR,EBS,1100
这很可能是的副本。两个问题所要求的任务和提供的数据几乎相同。@C0DY:一对有相同作业的人?:-)耸耸肩,没有太注意那些非awk的东西。。。刚刚剪贴了OPs代码,但是,是的,既然你提到了。。。可以删除列
并定义awk
的FS=“,”;我猜OP可能在研究如何在使用awk
code之前替换逗号并获得固定宽度的列。。。然后忘了(重新)质疑列的使用
???