Re: trying to pull numbers out of a string from a file...

*To*: mathgroup at smc.vnet.net*Subject*: [mg36621] Re: [mg36595] trying to pull numbers out of a string from a file...*From*: Tomas Garza <tgarza01 at prodigy.net.mx>*Date*: Fri, 13 Sep 2002 23:33:28 -0400 (EDT)*References*: <200209130514.BAA17465@smc.vnet.net>*Sender*: owner-wri-mathgroup at wolfram.com

Could you send a sample example of your file -- just a few records. Tomas Garza Mexico City ----- Original Message ----- From: "1.156" <rob at piovere.com> To: mathgroup at smc.vnet.net Subject: [mg36621] [mg36595] trying to pull numbers out of a string from a file... > I've got to extract some numbers from a file that are in lines of text. Since the line contents are not numbers, I presume I must pull the line out as a string. Here I start by pulling out just one line: > > inFile = OpenRead["197-tst.txt"] > y = ReadList[inFile, String, 1, RecordLists -> True] > Close[inFile]; > > This appears to pull in a line. Now I want to take characters 25 to 110 to get just the stuff I want: > y1=StringTake[y ,{25,110}]; > > Here's the output. StringTake doesn't seem to work. > > StringTake[{aEX-004 2002197 0 0 0 5935.80 5946.66 27.06 -1281.9 -229. 321. 317. 367. -115. 126. 146. -410. -426.000000EF 75.}, {25, 110}] > > It doesn't take loading another package as far > as I can tell from the help. I'm thinking that it doesn't work because it's trying to work on a list > rather than a string. I've tried Flatten, and other stuff to try to get to just a string and not a list but > nothing has worked so far. I'm a long way from getting to those numbers in there but heck, I > can't even get to the string. Can anyone point me in the right direction? > > Thanks, Rob > > >

**References**:**trying to pull numbers out of a string from a file...***From:*"1.156" <rob@piovere.com>