#! /bin/sed -f # html_lc.sed -- turn html tags to lowercase # Just to be sure s//°/g # Multiple lines are handled by storing a flag in hold space # Fool the regexps below by adding a leading < (we'll remove # it later) x /^j/ { x; s/^/]*[ ]\+\)\([A-Za-z/]\+=[^> ]\+\)/\1\2/g s/\(<[^>]*[ ]\+\)\([A-Za-z/]\+="[^"]*"\)/\1\2/g s/\(<[^>]*[ ]\+\)\([A-Za-z/]\+\)/\1\2/g t attr # add conversion table: table # table format: # characters not in the table stop the conversion s,$,//aaAbbBccCddDeeEffFggGhhHiiIjjJkkKllLmmMnnNooOppPqqQrrRssSttTuuUvvVwwWxxXyyYzzZ, # substitute every char that's part of a tag or attribute and which follows a # also moves after the char ta :a s/\(.\)\(.*.*\)\(.\)\1/\3\2\3\1/ ta # cleanup... s/.*// s///g # Check if the hold space flag is to be set: # j = this line continued the previous one # J = this line will be continued by the next one # jJ = both things /<[^>]*$/ { x; s/$/J/; x; } # If the hold space `j' flag was set, remove it, and also delete # the leading < from pattern space x /^j/ { x; s/^.//; x; s/j//; } # Change the `J' flag to `j' and go on with the next line s/J/j/ x