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Full Discussion: Using sed to replace one string with other
Top Forums UNIX for Dummies Questions & Answers Using sed to replace one string with other Post 302496721 by sbhuvana20 on Tuesday 15th of February 2011 04:42:13 AM
Old 02-15-2011
Using sed to replace one string with other
hi,

I am using sed command to replace a string "prodops" with "psops" using the below command

Code:
sed 's/prodops.monitor@corp.earthlink.net//' test.ksh > test.ksh_temp

But when I do this permission on the test.ksh_temp file is different than the original file. See below

Code:
-rwxr-xr-x   1 kotrar   other       2568 Feb 15 04:38 test.ksh
-rw-r--r--   1 kotrar   other       2534 Feb 15 04:38 test.ksh_temp

Can anyone of you please help me in changing the permission of this temp file to be the same as the original file. I do not want to hardcode the permission value as 755 as I will be using this sed command inside a script to read multiple files. And different files will have different level of permission.

Is there a generic way to use chmod command to copy permission from one file to another file ?

please help
Last edited by pludi; 02-15-2011 at 06:04 AM..
 

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LEARN ABOUT DEBIAN

lfc_access

LFC_ACCESS(3)						       LFC Library Functions						     LFC_ACCESS(3)

NAME

       lfc_access - check existence/accessibility of a file/directory

SYNOPSIS

       Under Unix:
       #include <sys/types.h>
       #include <unistd.h>
       #include "lfc_api.h"

       Under Windows/NT:
       #include <sys/types.h>
       #define R_OK 4
       #define W_OK 2
       #define X_OK 1
       #define F_OK 0
       #include "lfc_api.h"

       int lfc_access (const char *path, int amode);

DESCRIPTION

       lfc_access checks in the name server database the existence or the accessibility of the file/directory path according to the bit pattern in
       amode using the real user ID.

       path   specifies the logical pathname relative to the current LFC directory or the full LFC pathname.

       amode  the bit pattern is built by an OR of the constants defined in <unistd.h> under Unix or to be explicitly defined under Windows/NT:

	      R_OK   test for read permission

	      W_OK   test for write permission

	      X_OK   test for search/execute permission

	      F_OK   test for existence of the directory/file.

RETURN VALUE

       This routine returns 0 if the operation was successful or -1 if the operation failed. In the latter case, serrno is set appropriately.

ERRORS

       ENOENT	    The named file/directory does not exist or is a dangling symbolic link.

       EACCES	    Search permission is denied on a component of the path prefix or specified access to the file itself is denied.

       EFAULT	    path is a NULL pointer.

       ENOTDIR	    A component of path prefix is not a directory.

       EINVAL	    amode is invalid.

       ENAMETOOLONG The length of path exceeds CA_MAXPATHLEN or the length of a path component exceeds CA_MAXNAMELEN.

       SENOSHOST    Host unknown.

       SENOSSERV    Service unknown.

       SECOMERR     Communication error.

       ENSNACT	    Name server is not running or is being shutdown.

SEE ALSO

       Castor_limits(4), lfc_chdir(3), lfc_chmod(3), lfc_statg(3)

AUTHOR

       LCG Grid Deployment Team

LFC
					       $Date: 2011-02-18 08:03:13 +0100 (Fri, 18 Feb 2011) $				     LFC_ACCESS(3)
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