If not, please explain what determines whether or not a file compared to your "parametrized" file should be kept or removed:
Do the file names have to be the same? No
Do the file permissions have to be the same? No
Do the file owner and group IDs have to be the same? Yes
Do the file timestamps have to be the same? No
Do the file inode numbers have to be the same? No
Do the file contents have to be the same? Yes
If a file is a symbolic link, what should be removed? (The file to which the symlink points? The symlink itself? Both?) File is not a symbolic link, both are physical files, both needs to be removed i.e. parametrized file and all other files which has exactly same contents under the directory structure which I explained above.
Last edited by rbatte1; 02-09-2015 at 12:16 PM..
Reason: Added LIST=1 tags for clarity
You haven't said what operating system or shell you're using. The following seems to do what you have said you want done when using a system where ls -l output conforms to the standards and your shell accepts basic Bourne shell syntax (such as bash, ksh, and on almost any system /bin/sh):
If you save the above script in a file (for example tester) and make it executable with:
then executing this script with one or more operands will show you all of the rm commands that would be needed to remove all files with the same user ID, group ID, and contents as the files named by operands in the file hierarchy rooted in Directory1:
If the output from ls -l on your system doesn't print the user and group names as the 3rd and 4th fields in the output, adjust the read command to capture the user and group IDs in the correct fields.
If the output looks like it is correct, remove the echo in both lines shown in red to actually remove the files instead of just showing you what files would be removed.
You must be sure that the operands you pass to this script name files that are not in the file hierarchy rooted in Directory1. If any file operands do reside in the file hierarchy rooted in Directory1, that file (or those files) may be removed before all of the files that meet your criteria have been found.
What operating system and shell are you using?
The cmp in the find -exec primary I supplied matches the synopsis form:
shown in the diagnostic message, so please show us the exact text in your copy of my suggested script.
File Name passed as parameter was /home/rjohn/abcd.out
The code you showed above would not produce the output you showed us in post #11. Note that in the script I suggested, there was no $Filename; all of the places you are using $Filename were $pfile in the script I suggested. If you want to use Filename as your variable name instead of pfile, that is fine; but you have to be consistent. You can't assign the pathnames given on the command line to the variable pfile and then use $Filename to reference that pathname. All four of the variables marked in red above must be identical.
And, for the record, UNIX is not an operating system; it is a brand that applies to several operating systems (such as AIX, HP/UX, OS X, and Solaris). If someone asks you what model of car you drive, they would expect an answer like 2014 Toyota Camry hybrid, not sedan.
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