tests/exp5.sub

   1 # expansions involving patterns
   2
   3 var='[hello'
   4 echo "${var//[/}"
   5
   6 red='\[\e[0;31m\]'
   7 echo "${red//\\[\\e/}"
   8
   9 foo="${red//\\[\\e/}"
  10
  11 # foo == [0;31m\]
  12 echo "${foo//[0;31m\\/}"
  13
  14 echo "${var//[]/}"
  15 echo "${red//[]/}"
  16
  17 v=hello
  18 foo='[:alpha:]'
  19
  20 echo ${v//[[:alpha:]]/}
  21 echo ${v//[[:alpha]]/}
  22 echo ${v//[[:alpha]/}