Replacing multiple delimited blocks in sed -


i have body of text contains groups delimited <>,## or ||. blocks never overlap, may cross multiple lines, so:

#a emphasized line# line #emphasis inside#. #several lines of text emphasis# no emphasis line #with# multiple #emphasis#. line <with > |text of| #each type#.

i'm attempting replace each pair of delimiters [ , ] and put final delimiter after ]; example last line should be:

line [with ]> [text of]| [each type]#.

i have formed sed script first part:

sed -e ':left s/[#|<]/[/; t right; n; b left :right s/[#|>]/]/; t left;n; b right'

but when try use & (or (..) + \1) put character in this:

sed -e ':left s/[#|<]/[/; t right; n; b left :right s/[#|>]/]&/; t left;n; b right'

i following:

[a emphasized line][ line ][emphasis inside][. ][several lines of text emphasis][ no emphasis line ][with][ multiple ][emphasis][. line [with ]]]]]]> [text of[ [each type[.

i'm not sure has gone wrong here though - appears screwing pattern block in way. replace 3 calls (hardcoded 1 per match type), seems excessive.

try following command. reads whole file in memory , global substitutions each pair of delimiters:

sed -e '     :a     $! { n; ba };     s/#\([^#]*\)#/[\1]#/g;      s/<\([^>]*\)>/[\1]>/g;      s/|\([^|]*\)|/[\1]|/g ' infile

it yields:

[a emphasized line]# line [emphasis inside]#. [several lines of text emphasis]# no emphasis line [with]# multiple [emphasis]#. line [with ]> [text of]| [each type]#.

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