Hi,
On Sat, Jun 20, 2009 at 5:13 PM, Ralf Wildenhues <[email protected]>wrote:
> Hello Rita,
>
> please don't top-post (put your answer above the text you reply to),
> thank you.
>
> * Rita Shen wrote on Fri, Jun 19, 2009 at 02:29:05AM CEST:
> > I tried the command:
> >
> > awk 'BEGIN { RS="\&"};{
> > gsub(/\[[\n]+\]/, "");print $0}' gawk_test > gawk_modi
> >
> > But the content in gawk_modi is still the same as the gawk_test:
> >
> > <"Reports" [
> >
> >
> >
> > ]>
>
> Hmm, that's weird, because for me, the above works. However, I do get a
> warning from awk:
> awk: warning: escape sequence `\&' treated as plain `&'
>
> > By the way, what's the difference between RS and FS?
>
> RS is the record separator, while FS is the field separator. Records
> are commonly lines, while fields are commonly words in a line, at least
> that's how I interpret them. Since you can change RS, FS, as well as
> ORS and OFS (the corresponding output separators), they can of course
> delimit different chunks of text. But the general idea is that a file
> is composed of zero or more records, and a record composed of zero or
> more fields.
>
> The gawk manual is pretty good about this stuff:
> <http://www.gnu.org/software/gawk/manual/>
>
> Hope that helps.
>
> Cheers,
> Ralf
>
In case that someone may be encountering similar problems. Finally this
problem was resolved after adding carriage return in the command:
awk 'BEGIN {RS="&"};{gsub(/[\r]*[\n]*/, "");print $0}' gawk_test >
gawk_modi
Cheers,
Rita
