One tool that should have become more common but isn't is Rob Pike's structural regular expressions, which are a fascinating generalization of awk for non-line

One tool that should have become more common but isn't is Rob Pike's structural regular expressions, which are a fascinating generalization of awk for non-line oriented data. http://doc.cat-v.org/bell_labs/structural_regexps/ http://doc.cat-v.org/bell_labs/structural_regexps/ Many people have tried to generalize unix pipes and homogeneous data, few have succeeded.