The backslashes in the patt argument need to be doubled since "\" is a
special regex character. Or it may work to set fixed =TRUE.
Either:
original <- "INFILTRATION INF_BASE \\n AIRCHANGE=1"
replace <- "INFILTRATION INF_BASE \n AIRCHANGE=3"
new_texte <- gsub(patt=original,replace,text)
Or:
original <- "INFILTRATION INF_BASE \n AIRCHANGE=1"
replace <- "INFILTRATION INF_BASE \n AIRCHANGE=3"
new_texte <- gsub(patt=original,replace,text, fixed=TRUE)
Both untested since the text example displays with smart-quotes and
the R interpreter on a Mac refuses to accept. Incorrect quotes could
be another theory about why it's not working.
--
David
On May 17, 2011, at 4:45 AM, Thibault Charles wrote:
Hello R helpers,
I get a problem using gsub() function.
I have the following text :
text <- ‘’ INFILTRATION INF_BASE
AIRCHANGE=1 ‘’
Then my code is :
original <- "INFILTRATION INF_BASE \n AIRCHANGE=1"
replace <- "INFILTRATION INF_BASE \n AIRCHANGE=3"
new_texte <- gsub(original,replace,text)
but it doesn’t work.
Nevertheless, cat(original) works but print(original) doesn’t…
Would you have an idea ?
Thanks
Thibault Charles
Solamen
Audencia - 8 route de la Jonelière
44300 Nantes
+33 2 40 37 46 76
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David Winsemius, MD
Heritage Laboratories
West Hartford, CT
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