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Full Discussion: Sort file data according to a custom list of string
Top Forums Shell Programming and Scripting Sort file data according to a custom list of string Post 303042938 by mohtashims on Sunday 12th of January 2020 10:17:06 PM
Old 01-12-2020
Sort file data according to a custom list of string
I have a string of pre defined ip address list which will always remain constant their order will never change like in below sample:

Code:
iplist=8.8.5.19,9.7.5.14,12.9.9.23,8.8.8.14,144.1.113

In the above example i m considering only 5 ips but there could be many more.

Now i have a file which will have a subset of these IPs along with a few file details and few blank empty new lines in any random order in each run like in the sample data below.
cat hello.txt
Code:
144.1.113

-rwxrw-rw- /tmp/var/file11.txt 56427

8.8.5.19

-rwxrw-rw- /tmp/var/file1.txt 56427
-rwxr--rw- /tmp/var/file2.txt 44427
-rwxr--rw- /tmp/var/file5.txt 36427
8.8.8.14
-rwxrw-rw- /tmp/var/file21.txt 56427
-rwxr--rw- /tmp/var/file22.txt 44427

I wish to format sort the above output in same order as the iplist variable. My expected output is as below:
Code:
8.8.5.19
-rwxrw-rw- /tmp/var/file1.txt 56427
-rwxr--rw- /tmp/var/file2.txt 44427
-rwxr--rw- /tmp/var/file5.txt 36427

9.7.5.14

12.9.9.23

8.8.8.14
-rwxrw-rw- /tmp/var/file21.txt 56427
-rwxr--rw- /tmp/var/file22.txt 44427

144.1.113
-rwxrw-rw- /tmp/var/file11.txt 56427

My idea is to have two have to arrays one that stores the iplist in the same order as iplist variable and the second that stores its respective file details (blank incase that ip is not present in my output). That way i will be able to use a single counter and display the desired output in the desired order.

Considering my approach is fine I was able to add the iplist string to an array using the below:

Code:
filedets=()
IFS=',' read -ra my_array <<< "$iplist"
for i in "${my_array[@]}"
do
    if [ grep $i hello.txt ]; then 
# need logic to get file details for the matched IP
filedets+=
else
filedets+=""
fi
done

I'm able to loop this array and store empty entries incase the ip is not found the hello.txt

The challenge for me is how can I extract the file details under a particular ip and store in a parellel array.

Any good way to have such a custom grouping and sorting? Kindly suggest.
Last edited by mohtashims; 01-13-2020 at 01:33 AM..
 

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LEARN ABOUT MINIX

cachefslog

cachefslog(1M)						  System Administration Commands					    cachefslog(1M)

NAME

       cachefslog - Cache File System logging

SYNOPSIS

       cachefslog [-f logfile | -h]  cachefs_mount_point

DESCRIPTION

       The  cachefslog	command displays where CacheFS statistics are being logged. Optionally, it sets where CacheFS statistics are being logged,
       or it halts logging for a cache specified by cachefs_mount_point. The cachefs_mount_point argument is a mount point of a cache file system.
       All file systems cached under the same cache as cachefs_mount_point will be logged.

OPTIONS

       The following options are supported. You must be super-user to use the -f and -h options.

       -f logfile      Specify the log file to be used.

       -h	       Halt logging.

OPERANDS

       cachefs_mount_point     A mount point of a cache file system.

USAGE

       See largefile(5) for the description of the behavior of cachefslog when encountering files greater than or equal to 2 Gbyte ( 2**31 bytes).

EXAMPLES

       Example 1: Checking the Logging of a directory.

       The example below checks if the directory /home/sam is being logged:

       example% cachefslog /home/sam
       not logged: /home/sam

       Example 2: Changing the logfile.

       The example below changes the logfile of  /home/sam to /var/tmp/samlog:

       example# cachefslog -f /var/tmp/samlog /home/sam
       /var/tmp/samlog: /home/sam

       Example 3: Verifying the change of a logfile.

       The example below verifies the change of the previous example:

       example% cachefslog /home/sam
       /var/tmp/samlog: /home/sam

       Example 4: Halting the logging of a directory.

       The example below halts logging for the /home/sam directory:

       example# cachefslog -h /home/sam
       not logged: /home/sam

EXIT STATUS

       The following exit values are returned:

       0	       success

       non-zero        an error has occurred.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       cachefsstat(1M), cachefswssize(1M), cfsadmin(1M), attributes(5), largefile(5)

DIAGNOSTICS

       Invalid path    It is illegal to specify a path within a cache file system.

SunOS 5.10							    7 Feb 1997							    cachefslog(1M)
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