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Full Discussion: Searching File in Directory and all Subdirectory and Delete
Top Forums Shell Programming and Scripting Searching File in Directory and all Subdirectory and Delete Post 302934583 by Don Cragun on Monday 9th of February 2015 01:24:03 AM
Old 02-09-2015
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):
Code:
#!/bin/ksh
for pfile in "$@"
do	ls -l "$pfile" | (
		read x x user group x
		find Directory1 -user "$user" -group "$group" -type f \
			-exec cmp -s "$pfile" {} \; \
			-exec echo rm {} +
		echo rm "$pfile"
	)
done

If you save the above script in a file (for example tester) and make it executable with:
Code:
chmod +x tester

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:
Code:
./tester file1 file2

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.
 

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LEARN ABOUT SUSE

sg

newgrp(1)						      General Commands Manual							 newgrp(1)

NAME

       newgrp -  change effective group ID sg - execute command with different group ID

SYNOPSIS

       newgrp [-l] [group]
       sg group -c command

DESCRIPTION

       The  newgrp  command changes the user's real and effetive group ID by replacing the current shell with a new shell. A new shell is launched
       even if an error occours.

       A password is requested if the group has a password and the user is not listed in the group file as being a member of that group. The pass-
       word can be changed with the gpasswd(1) command.

       If the new effective group ID is not in the supplementary group list, newgrp will add the new group ID to the supplementary list, too.

       With  no  operands  and options, newgrp changes the user's group IDs (real and effective) back to the group specified in password and group
       file.

       The sg command works like the newgrp command, except that it executes the given command with /bin/sh and upon exit the group ID of the cur-
       rent shell is not changed.

OPTIONS

       -l, --login
	      reinitialize the environment as if the user logged in.

       --help Print a help list.

       -u, --usage
	      Print a short usage message.

       -v, --version
	      Print program version.

SEE ALSO

       gpasswd(1), group(5), passwd(1), passwd(5), su(1)

AUTHOR

       Thorsten Kukuk <kukuk@suse.de>

pwdutils							    April 2004								 newgrp(1)
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