hi all, thanks for your helpful suggestions. code: $mean= sqrt($line[0]*$line[1]) ..... $line[0] and $line[1] are in the the x.xxe+002 format. turns out i was parsing the numbers incorrectly. once that was corrected the format was accepted by "*" without complaint. thanks! anjan
On Sun, Jan 11, 2009 at 2:41 PM, Mr. Shawn H. Corey <shawnhco...@magma.ca>wrote: > On Sun, 2009-01-11 at 13:41 -0500, ANJAN PURKAYASTHA wrote: > > hi, > > i have file of numbers in the format x.xxxxe+003, eg 2.133793e+001. > > these numbers are not recognized by the perl multiplication operator > > "*". > > any idea of how i may convert these numbers to a format the operator > > DOES > > recognize? > > thanks, > > anjan > > Adding zero to a string converts it to a number. > > perl -e 'print 0+"2.133793e+001", "\n";' > > > -- > Just my 0.00000002 million dollars worth, > Shawn > > Programming is as much about organization and communication as it is about > coding. > > "It would appear that we have reached the limits of what it is possible to > achieve with computer technology, although one should be careful with such > statements, as they tend to sound pretty silly in 5 years." > --John von Neumann, circa 1950 > > > -- ============================= anjan purkayastha, phd bioinformatics analyst whitehead institute for biomedical research nine cambridge center cambridge, ma 02142 purkayas [at] wi [dot] mit [dot] edu 703.740.6939
