Question

I am currently validating a client’s HTML Source and I am getting a lot of validation errors for images and input files which do not have the Omittag. I would do it manually but this client literally has thousands of files, with a lot of instances where the is not .

This client has validated some img tags (for whatever reason).

Just wondering if there is a unix command I could run to check to see if the does not have a Omittag to add it.

I have done simple search and replaces with the following command:

find . \! -path '*.svn*' -type f -exec sed -i -n '1h;1!H;${;g;s/<b>/<strong>/g;p}' {} \;  

But never something this large. Any help would be appreciated.

Answer 1

See questions I asked in comment at top.

Assuming you’re using GNU sed, and that you’re trying to add the trailing / to your tags to make XML-compliant <img /> and <input />, then replace the sed expression in your command with this one, and it should do the trick: '1h;1!H;${;g;s/\(img\|input\)\( [^>]*[^/]\)>/\1\2\/>/g;p;}'

Here it is on a simple test file (SO’s colorizer doing wacky things):

$ cat test.html This is an <img tag> without closing slash. Here is an <img tag /> with closing slash. This is an <input tag > without closing slash. And here one <input attrib='1'      > that spans multiple lines. Finally one <input   attrib='1' /> with closing slash.  $ sed -n '1h;1!H;${;g;s/\(img\|input\)\( [^>]*[^/]\)>/\1\2\/>/g;p;}' test.html This is an <img tag/> without closing slash. Here is an <img tag /> with closing slash. This is an <input tag /> without closing slash. And here one <input attrib='1'      /> that spans multiple lines. Finally one <input   attrib='1' /> with closing slash. 

Here’s GNU sed regex syntax and how the buffering works to do multiline search/replace.

Alternately you could use something like Tidy that’s designed for sanitizing bad HTML — that’s what I’d do if I were doing anything more complicated than a couple of simple search/replaces. Tidy’s options get complicated fast, so it’s usually better to write a script in your scripting language of choice (Python, Perl) that calls libtidy and sets whatever options you need.