That version of sff_extract uses the -o option as the actual filename, rather than as a prefix. Try: ./sff_extract sample1.sff -o sample.fastq Or just rename your 'sample' file to 'sample.fastq'. Peter On Mon, Jun 2, 2014 at 10:59 AM, Bobby Paul <bobbypaul29@xxxxxxxxx> wrote: > Dear Peter, > > Thank you very for your quick reply. > > I used sff_extract from seq_crumbs and version: 0.1.8. > > There is no error message but it generated one file named sample (without > any file extension). Its looks like fastq file. > > > Thanks > Bobby Paul > > > On Mon, Jun 2, 2014 at 3:20 PM, Peter Cock <p.j.a.cock@xxxxxxxxxxxxxx> > wrote: >> >> Hello Bobby, >> >> Which version of sff_extract do you have? Where did you get it from? >> (This matters, the default settings have changed). >> >> Is there any output on screen? e.g. an error message? >> >> Are you sure no output files are being generated? >> >> Peter >> >> >> On Mon, Jun 2, 2014 at 10:40 AM, Bobby Paul <bobbypaul29@xxxxxxxxx> wrote: >> > Dear Sir, >> > >> > I am working on ion torrent data. I used sff_extract to get the sequence >> > fasta. But it not generating any sequence file, fastq file or traceinfo >> > file. >> > >> > Code used: >> > ./sff_extract sample1.sff -o sample >> > >> > Please help me. >> > >> > >> > Thanks, >> > >> > Bobby >> >> -- >> You have received this mail because you are subscribed to the mira_talk >> mailing list. For information on how to subscribe or unsubscribe, please >> visit http://www.chevreux.org/mira_mailinglists.html > > > > -- You have received this mail because you are subscribed to the mira_talk mailing list. For information on how to subscribe or unsubscribe, please visit http://www.chevreux.org/mira_mailinglists.html