Perl

From Informatics

Recursive Search and Replace

Replaces <gsl/gsl_erro.h> with <gsl/err/gsl_errno.h> in all .h files recursively.

find . -name '*.h'|xargs perl -pi -e "s/\<gsl\/gsl_errno.h\>/\<gsl\/err\/gsl_errno.h\>/g"