You could perhaps set the comment.char argument of read.table() to "@".
More generally, you can use scan() and process the lines within R. On Tue, Mar 6, 2012 at 8:41 AM, sagarnikam123 <sagarnikam...@gmail.com> wrote: > i have file as in txt format > > @ATTRIBUTE f1996 REAL > @ATTRIBUTE f1997 REAL > @ATTRIBUTE f1998 REAL > @ATTRIBUTE f1999 REAL > @ATTRIBUTE f2000 REAL > @ATTRIBUTE class {-1,1} > > @DATA > 2.080750,1.099070,0.927763,1.029080,-0.130763,1.265460,-0.43 > 1.109460,0.786453,0.445560,-0.146323,-0.996316,0.555759,0.29 > -0.676530,1.693100,1.559250,1.559980,-0.982179,-1.358510,-1. > 0.534396,1.677540,1.489030,0.778605,-0.183776,-1.116850,-1.4 > -1.018900,0.511080,0.755641,1.013820,0.529899,0.160440,-0.08 > -1.185370,-0.514473,-0.566634,1.224720,0.619244,-0.684713,-0 > 1.779050,0.423947,0.820696,2.525690,0.666921,0.661346,0.4253 > -------------------------------------------------------------------------------------------------------------------------------------------------------------- > > i want to parse only numbers not starting with @ > like > > 2.080750,1.099070,0.927763,1.029080,-0.130763,1.265460,-0.43 > 1.109460,0.786453,0.445560,-0.146323,-0.996316,0.555759,0.29 > -0.676530,1.693100,1.559250,1.559980,-0.982179,-1.358510,-1. > 0.534396,1.677540,1.489030,0.778605,-0.183776,-1.116850,-1.4 > -1.018900,0.511080,0.755641,1.013820,0.529899,0.160440,-0.08 > -1.185370,-0.514473,-0.566634,1.224720,0.619244,-0.684713,-0 > 1.779050,0.423947,0.820696,2.525690,0.666921,0.661346,0.4253 > > & putting numbers only in array for each line > > how should i assess (read) file > > -- Sarah Goslee http://www.functionaldiversity.org ______________________________________________ R-help@r-project.org 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.