Selon Rolf Turner <[EMAIL PROTECTED]>: > [EMAIL PROTECTED] wrote: > > > You have to learn about regular expressions. Then you'll come up with > > something like : > > > > grep "^dog$" /usr/share/dict/words > > *You* have to learn about shell syntax. The foregoing doesn't > work; it gives an ``Illegal variable name.'' error. To protect > against the shell interpretation of the dollar sign you have > to use *single* quotes. > > grep '^dog$' /usr/share/dict/words > > *does* work. (Try it!) >
Hi, Sorry for inconvenience, both are working on my fedora gnu/linux bash, Jan gave the explanation (Thanks!). BTW, did you really think I didn't try the double quote call ? But do not hesitate if **you** see something **I** should learn. Cheers, Romain ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
