[R] reading text files compressed by gzip

Daren Tan darentan76 at gmail.com
Tue Feb 24 15:13:36 CET 2009


I have a number of text files that were archived by gzip. To save the
trouble of uncompressing them, I used the following command. Then I
checked the dimension of m, the number of rows is 14 which should be
10000. How can I "force" the remaining rows to be read into m ?

>m <- read.delim(gzfile("Sample.txt.gz"), sep="\t").

> dim(m)
[1] 14 15

> sessionInfo()
R version 2.8.0 (2008-10-20)
i386-pc-mingw32

locale:
LC_COLLATE=English_United States.1252;LC_CTYPE=English_United
States.1252;LC_MONETARY=English_United
States.1252;LC_NUMERIC=C;LC_TIME=English_United States.1252

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base

other attached packages:
[1] gplots_2.6.0 gdata_2.4.2  gtools_2.5.0

loaded via a namespace (and not attached):
[1] tools_2.8.0




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