Is there a java list? Please help me find it. /Renz
On Thu, 2002-06-06 at 12:14, Adams, Dick W wrote: > This topic is more appropriate to a Java list, rather than a servlet list. > > -----Original Message----- > From: Ajay Ejantkar [mailto:[EMAIL PROTECTED]] > Sent: Wednesday, June 05, 2002 5:18 PM > To: [EMAIL PROTECTED] > Subject: edit file > > > I am attempting to edit a file called groups by adding a username to it. My > code reads the file with filereader. Each line is readin, and searched for > the group (foreign in this case). Then "foreign username," is substituted > into the string for foreign. Then the file is written. The result is the > groups file shows just null in it. My Code is below, any help on this would > be greatly appreciated. Thanks > > try { > String username = "tree_l"; > String group = "foreign"; > File grp = new File("/home/ejantk_a/temp/groups"); > FileReader raf = new FileReader(grp); > BufferedReader in = new BufferedReader(raf); > String line; > > //Search for group name, and replace with group name plus username. > while((line = in.readLine()) != null) { > Perl5Util perl = new Perl5Util(); > if(perl.match("/" + group + "/", line)) { > line = perl.substitute("s/" + group + "/($1) " + username + ", > /", line); > } > } > > //Write to File Object. > FileWriter fw = new FileWriter(grp); > PrintWriter pw = new PrintWriter(fw); > pw.println(line); > fw.close(); > > } catch (IOException e) { > System.out.println("Error -- " + e.toString()); > } > > ___________________________________________________________________________ > To unsubscribe, send email to [EMAIL PROTECTED] and include in the body > of the message "signoff SERVLET-INTEREST". > > Archives: http://archives.java.sun.com/archives/servlet-interest.html > Resources: http://java.sun.com/products/servlet/external-resources.html > LISTSERV Help: http://www.lsoft.com/manuals/user/user.html > > ___________________________________________________________________________ > To unsubscribe, send email to [EMAIL PROTECTED] and include in the body > of the message "signoff SERVLET-INTEREST". > > Archives: http://archives.java.sun.com/archives/servlet-interest.html > Resources: http://java.sun.com/products/servlet/external-resources.html > LISTSERV Help: http://www.lsoft.com/manuals/user/user.html > ___________________________________________________________________________ To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message "signoff SERVLET-INTEREST". Archives: http://archives.java.sun.com/archives/servlet-interest.html Resources: http://java.sun.com/products/servlet/external-resources.html LISTSERV Help: http://www.lsoft.com/manuals/user/user.html
