2

Anyway to simplify these two into one:

temp=${i//[/\\[}
temp=${temp//]/\\]}

input:

i[1]
i[2]

output:

i\[1\]
i\[2\]
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1
  • I don't think so. The parameter in ${param/pattern/string} has to be a parameter name, it can't be an expression. Commented Apr 10, 2013 at 20:43

1 Answer 1

Reset to default
1 
sed 's/[][]/\\&/g' foo.txt
  • in each line look for [ or ]
  • put \ before each occurance
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