In fact, i don't really understood can you explain to me the signification please :-D a=1 > while [ $a -ne 0 ]; do particularly this parts : [ $a -ne 0 ] -- View this message in context: http://n2.nabble.com/I-need-help-with-my-rrd-file-tp1120359p1127008.html Sent from the RRDtool Users Mailinglist mailing list archive at Nabble.com.