Shell script to delete specify directory Post: 302919290

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Top Forums Shell Programming and Scripting Shell script to delete specify directory Post 302919290 by Don Cragun on Tuesday 30th of September 2014 07:01:16 AM

09-30-2014

Registered User

Try:

Code:

#!/bin/bash
keep_above=1
keep_below=1
# cleanup - rename selected directories and remove oethers
# Usage: cleanup file_to_rename...
#
# Select a list of all files in the current directory whose names start and
# end with a decimal digit (files with a leading zero in their name will be
# ignored).  Rename each file named as an operand by prefixing it with
# "tested-".  Leave other files in the range:
#    (file_to_rename - $keep_below) <= name <= (file_to_rename + $keep_above)
# for any given operand unchanged.  Remove all other selected files.

IAm=${0##*/}
if [ $# -lt 1 ]
then    printf 'Usage: %s file_to_move...\n' "$IAm" >&2
        exit 1
fi
printf '%s\n' "$@" "EndOfRenameList" [1-9]*[0-9] |
awk -v above="$keep_above" -v below="$keep_below" '
/EndOfRenameList/ {
        eval=1
        next
}
!eval { for(i = $1 - below; i <= ($1 + above); i++)
                keep[i]
        rename[$1]
        next
}
{       if($1 in rename) {
                printf("mv \"%s\" \"tested-%s\"\n", $1, $1)
                delete rename[$1]
        } else if($1 in keep) {
                printf("printf \"keeping %s...\\n\"\n", $1)
                printf("mv \"%s\" \"0%s\"\n", $1, $1)
        } else  printf("rm -rf \"%s\"\n", $1)
}
END {   for(i in rename) {
                printf("printf \"File \\\"%s\\\" not found.\\n\" >&2\n", i)
                printf("ec=2\n")
        }
        printf("exit $ec\n")
}' | bash

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LEARN ABOUT MINIX

rename

RENAME(2)							System Calls Manual							 RENAME(2)

NAME

       rename - change the name of a file

SYNOPSIS

       #include <stdio.h>

       int rename(const char *from, const char *to)

DESCRIPTION

       Rename  causes the link named from to be renamed as to.	If to exists, then it is first removed.  Both from and to must be of the same type
       (that is, both directories or both non-directories), and must reside on the same file system.

       Rename guarantees that an instance of to will always exist, even if the system should crash in the middle of the operation.

       If the final component of from is a symbolic link, the symbolic link is renamed, not the file or directory to which it points.

RETURN VALUE

       A 0 value is returned if the operation succeeds, otherwise rename returns -1 and the global variable errno indicates  the  reason  for  the
       failure.

ERRORS

       Rename will fail and neither of the argument files will be affected if any of the following are true:

       [ENAMETOOLONG] A path name exceeds PATH_MAX characters.

       [ENOENT]       A component of the from path does not exist, or a path prefix of to does not exist.

       [EACCES]       A component of either path prefix denies search permission.

       [EACCES]       The requested link requires writing in a directory with a mode that denies write permission.

       [EPERM]	      The  directory  containing  from	is marked sticky, and neither the containing directory nor from are owned by the effective
		      user ID.

       [EPERM]	      The to file exists, the directory containing to is marked sticky, and neither the containing directory nor to are  owned	by
		      the effective user ID.

       [ELOOP]	      Too many symbolic links were encountered in translating either pathname.	(Minix-vmd)

       [ENOTDIR]      A component of either path prefix is not a directory.

       [ENOTDIR]      From is a directory, but to is not a directory.

       [EISDIR]       To is a directory, but from is not a directory.

       [EXDEV]	      The link named by to and the file named by from are on different logical devices (file systems).

       [ENOSPC]       The  directory  in which the entry for the new name is being placed cannot be extended because there is no space left on the
		      file system containing the directory.

       [EIO]	      An I/O error occurred while making or updating a directory entry.

       [EROFS]	      The requested link requires writing in a directory on a read-only file system.

       [EFAULT]       Path points outside the process's allocated address space.

       [EINVAL]       From is a parent directory of to, or an attempt is made to rename ``.'' or ``..''.

       [ENOTEMPTY]    To is a directory and is not empty.

SEE ALSO

       open(2)

4.2 Berkeley Distribution					   May 22, 1986 							 RENAME(2)