合併兩行(Merge 2 line)

合併兩行(Merge 2 line) ( awk | sed )

2016-10-28

• 檔案(merge.txt)

  abc
  123
  def
  456

• awk 指令(command)

  awk '{if(NR%2==0){printf $0 "\n"}else{printf "%s:",$0}}' merge.txt 

  或

  awk 'NR%2{printf "%s:",$0;next}{print;}' merge.txt

• sed 指令(command)

  sed 'N;s/\n/:/' merge.txt

• 結果

  abc:123
  def:456

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ref

• [Shell]合併每兩行