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通过

Closed 11 mins ago.

I am a new member,
I need help: scripting in linux. The following content:
cat file.txt

10.111.111.111
2 gi1/0/1 adcd.abcd.cdfe
4 gi1/0/2 abcd.safa.awrf
2 gi1/0/3 gseg.egew.wqfq
10.111.111.112
2 gi1/0/1 afga.gwet.aqgq
4 gi1/0/2 asgf.qwfg.gvqr
10.111.111.110
2 gi1/0/1 afga.gwet.aqgd
10.111.111.99
4 gi0/28 afga.gwet.aqge

产出:

2 gi1/0/1 adcd.abcd.cdfe 10.111.111.111
4 gi1/0/2 abcd.safa.awrf 10.111.111.111
2 gi1/0/3 gseg.egew.wqfq 10.111.111.111
2 gi1/0/1 afga.gwet.aqgq 10.111.111.112
4 gi1/0/2 asgf.qwfg.gvqr 10111.111.112
2 gi1/0/1 afga.gwet.aqgd 10.111.111.110
4 gi0/28 afga.gwet.aqge 10.111.111.99

Pls help me,
Thank all!

Answer 1

while read line; do
  if [[ ! "$line" =~ " " ]]; then
    ip=$line
  else
    echo "$line $ip"
  fi
done < file.txt

视线阅读,如果一行含有在<代码>ip变量中予以节省的空间。否则,它就将<代码>ip改为“(s)。

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