Dear all, I will open the first line without opening the entire file because my file is large? thanks ML -- Mohamed Lajnef INSERM Unit? 955. 40 rue de Mesly. 94000 Cr?teil. Courriel : Mohamed.lajnef at inserm.fr tel. : 01 49 81 31 31 (poste 18470) Sec : 01 49 81 32 90 fax : 01 49 81 30 99

Hi Mohamed Have a look at ?readLines. Perhaps that is what you want? For example this will read 1 line from your file: myoneline<-readLines("mydata.txt", n=1) Regards John -----Original Message----- From: bioconductor-bounces@stat.math.ethz.ch [mailto:bioconductor- bounces@stat.math.ethz.ch] On Behalf Of Mohamed Lajnef Sent: 19 June 2009 09:51 To: bioconductor at stat.math.ethz.ch Subject: [BioC] Read a first ligne Dear all, I will open the first line without opening the entire file because my file is large? thanks ML -- Mohamed Lajnef INSERM Unit? 955. 40 rue de Mesly. 94000 Cr?teil. Courriel : Mohamed.lajnef at inserm.fr tel. : 01 49 81 31 31 (poste 18470) Sec : 01 49 81 32 90 fax : 01 49 81 30 99 _______________________________________________ Bioconductor mailing list Bioconductor at stat.math.ethz.ch https://stat.ethz.ch/mailman/listinfo/bioconductor Search the archives: http://news.gmane.org/gmane.science.biology.informatics.conductor