bash_n_examples/bash/sed/_sed.sh

   1 echo -ne "a\nb\nc\n" | sed '1~1p'
   2 echo
   3 echo -ne "a\nb\nc\n" | sed '2p'
   4 echo
   5 echo -ne "a\nb\nc\n" | sed -n '2p'
   6 echo -ne "a\nb\nc\n" | sed -n '2!p'
   7 echo
   8 echo -ne "a\nb\nc\n" | sed -n '1,+1p'
   9 echo
  10 echo -ne "a\nb\nc\n" | sed '1,+1p'
  11 echo
  12 echo -ne "a\nb\nc\n" | sed '1,3p'
  13 echo
  14 echo -ne "a\nb\nc\n" | sed '2s/.*/asd/'
  15 echo -ne "a\nb\nc\n" | sed -n '2s/.*/asd/p'
  16 echo -ne "a\nb\nc\n" | sed -n '2!s/a/1/gp'
  17 echo
  18 echo -ne "a\nb\nc\n" | sed -n -e '1,2p' -e '/a/p'
  19 echo
  20 echo -ne "a\nb\nc\n" | sed -n -e '1,2p' -n -e '/a/d'
  21
  22 echo -ne "a\nb\nc\n" | sed -n -e '1,2p' -n -e '/a/!d'
  23 echo -ne "a\nb\nc\n" | sed -e '1d'
  24 echo -ne "a\nb\nc\n" | sed -e '/a/d'
  25
  26 echo -ne "aa\nbb\ncc\n" | sed -e '/aa/c11'
  27
  28 echo -ne "a\nb\nc\n" | sed -n -e '/.*a.*/p'
  29
  30 echo -ne "a\nb\nc\n" | sed -n -e '/.*a.*/!p'
  31 echo -ne "aa\nbb\ncc\n" | sed -n -e 's/.*\(aa\).*/\1/p'
  32
  33 echo -ne "a\nb\nc\n" | sed '2ax'