2008/8/22, Bill Bumgarner <[EMAIL PROTECTED]>: > > On Aug 22, 2008, at 1:00 AM, Vladimir Sokolov wrote: > >> Hello All, >> >> I am working on a command line tool. I use >> NSArray *params = [[NSProcessInfo processInfo] arguments] >> to get a list of command line parameters. >> Then I use >> NSString *param1 = [params objectAtIndex:1]; >> to get it. >> >> But when I pass for example >...myapplication test$test >> param1 got "testest" instead of ""test$test" >> >> It means as I understand that $ is interpreted as special character. >> >> So my question is how to pass a parameter with $ inside? >> And are there any other special characters which are interpreted as >> special >> one? >> > > To be clear, this has nothing to do with NSString and everything to do with > how the shell parses command lines. > > As Michael D alluded to, the shell is seeing $test and "expanding" the $t > to be the value of -- typically -- the environment variable 't', which > doesn't have a value and, thus, you end up with 'testest'. > > That is, all argument processing has been completed long before your > command line tool is even launched. > > Now, the syntax and rules for substitution change depending on the shell > used and how your command line tool is launched. As well, APIs for > launching processes such as NSTask, popen(), system(), and the various > fork()/exec*() combinations may or may not behave similarly. > > So -- the real questions: > > What is launching your command line tool? > > Do you really need an argument with a $ character in it? > > Most command line tools avoid such characters for the reasons stated above. > > Have you read this book? http://tinyurl.com/6kxxgc > > b.bum > > > Thanks for your messages.
Now I see my problem ( Learn Unix! :)) The $ character is part of the user password, that is why I need to use it. Now for the test I am launching my tool in bash. thanks again, Vlad _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
