How to overwrite/delete a line from .txt

[DarkGhost]

Hello I am making a login script with in a file.txt I have "username host password access online|offline" and when someone logs in i want to make the offline to online or when someone wants to change there password I want to change password but I am unsure how to do this please help thanks.

[DarkGhost]

Hello, I have seen alot of people look at this if you cant overwrite/delete lines atleast tell me

[r0t3n]

A quick example to help you out:

Code: Select all

set file [open file.txt w+]
foreach line [split [read -nonewline $file] \n] {
  if {$line == ""} { return }
  if {[string match -nocase "USERNAME" [lindex [split $line] 0]]} {
    # To remove the line from file
    # return
    # To edit the line data
    # regexp -nocase {(.+)\s(.+)\s(.+)\s(.+)\s(.+)} $line -> username host password access status
    # To change the password use:
    # set password "NEWPASS"
    # To change online/offline status use:
    # set status "ONLINE or OFFLINE"
    # Write the modified data back to file
    # puts $file "$username $host $password $access $status"
  } else {
    # We don't need to delete/modify this line, write the line back to file
    puts $file "$line"
  }
}
close $file

[rosc2112]

Hello, I have seen alot of people look at this if you cant overwrite/delete lines atleast tell me

It's probably one of those FAQ questions, and you could've found the answer yourself by searching the forum (I know I've written quite a few examples of this and didn't feel like doing it again.)

[DarkGhost]

Thanks it works great only problem is it doesnt delete the line its editing

[user]

Thanks it works great only problem is it doesnt delete the line its editing

what "it"? Tosser's code would not work as it will truncate the file before attempting to read from it, so I'm guessing you made something yourself based on what you read in the faq...show us your code.

[DragnLord]

What type of login are you trying to create this for?
If this is for checking if someone is logged into the bot, it would be easier to check with a script using the dcc command "whom".
Changing password for eggdrop users is easiest done by using private message to the bot using "pass <oldpass> <newpass>"
(example: /msg botnick pass currentpass newpass)

If this is for some sort of website portal, then you will need a much more complicated approach.

[DarkGhost]

Thanks it works great only problem is it doesnt delete the line its editing

what "it"? Tosser's code would not work as it will truncate the file before attempting to read from it, so I'm guessing you made something yourself based on what you read in the faq...show us your code.

lol your so SMART! i had to change some stuff around but here

Code: Select all

putserv "PRIVMSG $nick :You are now logged in to $userName"
set file [open test.txt r+]
foreach line [split [read -nonewline $file] \n] {
  if {$line == ""} { return }
  if {[string match -nocase "$userName" [lindex [split $line] 0]]} {
     regexp -nocase {(.+)\s(.+)\s(.+)\s(.+)\s(.+)} $line -> username host password access
    set status "ONLINE"
    close $file
set file [open test.txt w+]
 puts $file "$username $host $password $access $status"
  } else {
    puts $file "$line"
  }

Oh and by the way i got it to work perfectly thanks.