04-14-2010
Quote:
Originally Posted by
Reboot
If you want to give "read" permission for "others" to File1 only and you know its complete path name then you can use :
chmod o+r /Folder1/Folder2/File1
its preety clear...
or...
else I am not getting you..
Thanks for suggestion. The above command sets permission for read only for File1. But not on Folder1 and Folder2. So others won't be able to navigate to reach the file. Also, I found that we need to have execute 'x' as well to navigate. So,
chmod o+rx /Folder1/Folder2/File1 # sets permission for just File1 not the folders.
---------- Post updated at 05:50 AM ---------- Previous update was at 05:48 AM ----------
Quote:
Originally Posted by
jim mcnamara
If I understand -
You have to grant at least --x access to others for the directories above File1 on up -> root directory, otherwise others will never get down to the leve where others can even see File1.
This means you have to grant r-x or at least x to all of the directories involved, then grant r-- to File1. IS this what you are asking?
Yes, you are right, we have to provide both 'r' and 'x' for folders to navigate. But in order to do so I have to execute many chmod commands till the File1 (imagine the scenario where we may have 10-15 Folders).
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JOIN(1) General Commands Manual JOIN(1)
NAME
join - relational database operator
SYNOPSIS
join [ options ] file1 file2
DESCRIPTION
Join forms, on the standard output, a join of the two relations specified by the lines of file1 and file2. If one of the file names is the
standard input is used.
File1 and file2 must be sorted in increasing ASCII collating sequence on the fields on which they are to be joined, normally the first in
each line.
There is one line in the output for each pair of lines in file1 and file2 that have identical join fields. The output line normally con-
sists of the common field, then the rest of the line from file1, then the rest of the line from file2.
Input fields are normally separated spaces or tabs; output fields by space. In this case, multiple separators count as one, and leading
separators are discarded.
The following options are recognized, with POSIX syntax.
-a n In addition to the normal output, produce a line for each unpairable line in file n, where n is 1 or 2.
-v n Like -a, omitting output for paired lines.
-e s Replace empty output fields by string s.
-1 m
-2 m Join on the mth field of file1 or file2.
-jn m Archaic equivalent for -n m.
-ofields
Each output line comprises the designated fields. The comma-separated field designators are either 0, meaning the join field, or
have the form n.m, where n is a file number and m is a field number. Archaic usage allows separate arguments for field designators.
-tc Use character c as the only separator (tab character) on input and output. Every appearance of c in a line is significant.
EXAMPLES
sort /adm/users | join -t: -a 1 -e "" - bdays
Add birthdays to password information, leaving unknown birthdays empty. The layout of is given in users(6); bdays contains sorted
lines like
tr : ' ' </adm/users | sort -k 3 3 >temp
join -1 3 -2 3 -o 1.1,2.1 temp temp | awk '$1 < $2'
Print all pairs of users with identical userids.
SOURCE
/sys/src/cmd/join.c
SEE ALSO
sort(1), comm(1), awk(1)
BUGS
With default field separation, the collating sequence is that of sort -b -ky,y; with -t, the sequence is that of sort -tx -ky,y.
One of the files must be randomly accessible.
JOIN(1)