[linux-help] Re: Regular expression with grep
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Bruce:
According to "Mastering Regular Expressions," by Jeffrey E.F. Friedl, \xNN
hex codes are not supported in sed. :-( For that you need awk, Perl, tcl,
Emacs or Python.
-----Original Message-----
Just for my own edification, is there any way to grep for a certain
non-printing ascii character? The Linux programming bible says \xyy
would find ascii yy, for instance \x07 finds the ascii bell. But I
wonder if maybe that only works in perl.
bruce
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