Forms Processor Parameters

chmod

This parameter can be set in one of 2 ways:

1. <INPUT TYPE=HIDDEN NAME=chmod VALUE="nnn">
2. $chmod="nnn";
   
   

   • nnn - An Octal number representation of Unix permissions. To calculate the mask, add 4 for read privilege, 2 for write privilege, and 1 for execute privilege (NOTE: Although you are not allowed to execute programs on our systems, this permission is here for completeness of documentation; the execute permission is optional). Thus if you wanted to allow everyone to read and write to a file, you would add 4+2 = 6; your permission mask would be 706. The format of the 3 consecutive digits is as follows: The first number is for the owner (you), the second is for the same people in your group (some other WebCom users), and the third is for public access (everyone including anonymous FTP). The first digit must always be 6 or 7, otherwise you may not be able to read or write to the files affected by this setting.
     
     
   • NOTE:
     
     • The chmod parameter only affects the permissions on NEWLY CREATED files, it will not affect exiting files that you append to.
     • if you change the permissions manually via FTP, or via the WebCom File Manager, they will remain as you set them.
     • For files created by a format statement in your configuration file which uses the insertion point feature, (when you insert data into a file, vs. appending to it), the file must be recreated for each insertion, and thus the permissions will be set to the value defined by chmod for each insertion. If using a format, you can also set the permissions mask in the format statement.

Example:

# make the file pubicly readable so that they can get the calendar via FTP too

$chmod="702";

# write calendar entry to file

$file="outgoing/calendar.txt";

# you can also be more sophisticated too, the format statement has a chmod value
# that you can use to set the permission of a file to when you use the 
# 'overwrite' option

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