show lines longer than X characters


        
            
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            Here's a quick little awk trick to have in your arsenal: if you want to search through a bunch of files, but only want to show the lines that exceed X amount of characters, you can use awk's built-in length check.
For instance:
$ awk 'length > 350'
$ awk 'length < 50' 
If you combine this with a grep, you can do things like "show me all the lines that match TXT and that exceed 100 characters in length".
$ grep 'TXT' * | awk 'length > 100'
Super useful to quickly skim through a bunch of logs or text-files.