rm question Post: 302098343

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Top Forums UNIX for Dummies Questions & Answers rm question Post 302098343 by SeanWuzHere on Saturday 2nd of December 2006 07:59:08 PM

12-02-2006

Registered User

Quote:

Originally Posted by System Shock

Let me get this straight.
You want to set a variable that will limit the number of files you can delete in the command line, ex:
if you set MAXFILES to 3, and you type something like

Code:

 delete file1 file2 file3 file4 file5

only file1 file2, and file3 will be deleted.

Is that what you are looking for?

Yeah. Something like that. Here is the code I have so far for the program. It kinda sorta works but either I'm doing something wrong or it's missing something or I dunno.

Code:

#!/bin/bash
# Program: myrm

if [ "$#" -le 0 ]
then
        echo "Not enough arguments"
        echo "Usage: myrm [arg1] [arg2] etc..."
        exit 1
fi

MAXFILES=""
FILECOUNT=$(ls | wc -l)

if [ -n "$MAXFILES" ]
then

        if [ "$FILECOUNT" = "$MAXFILES" ]
        then
                for i
                do
                        rm -rf $1
                        shift
                done

        elif [ "$MAXFILES" > "$FILECOUNT" ]
        then
                echo "Would you like to delete these files?"
                read choice

                case "$choice"
                in
                        y)      for i; do rm -rf $1; shift; done;;
                        n)      echo "Thank you, have a nice day";;
                        *)      echo "Invalid choice"
                                exit 2;;
                esac
        fi

elif [ -z "$MAXFILES" ]
then
        for i in $1 $2 $3 $4 $5 $6 $7 $8 $9 ${10}
        do
                rm -rf $1
                shift
        done
        exit 0


fi

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LEARN ABOUT DEBIAN

merge

MERGE(1)						      General Commands Manual							  MERGE(1)

NAME

       merge - three-way file merge

SYNOPSIS

       merge [ options ] file1 file2 file3

DESCRIPTION

       merge  incorporates all changes that lead from file2 to file3 into file1.  The result ordinarily goes into file1.  merge is useful for com-
       bining separate changes to an original.	Suppose file2 is the original, and both file1 and file3 are modifications of  file2.   Then  merge
       combines both changes.

       A  conflict  occurs  if	both  file1 and file3 have changes in a common segment of lines.  If a conflict is found, merge normally outputs a
       warning and brackets the conflict with <<<<<<< and >>>>>>> lines.  A typical conflict will look like this:

	      <<<<<<< file A
	      lines in file A
	      =======
	      lines in file B
	      >>>>>>> file B

       If there are conflicts, the user should edit the result and delete one of the alternatives.

OPTIONS

       -A     Output conflicts using the -A style of diff3(1), if supported by diff3.  This merges all changes leading from file2  to  file3  into
	      file1, and generates the most verbose output.

       -E, -e These  options  specify conflict styles that generate less information than -A.  See diff3(1) for details.  The default is -E.  With
	      -e, merge does not warn about conflicts.

       -L label
	      This option may be given up to three times, and specifies labels to be used in place of the corresponding  file  names  in  conflict
	      reports.	 That  is, merge -L x -L y -L z a b c generates output that looks like it came from files x, y and z instead of from files
	      a, b and c.

       -p     Send results to standard output instead of overwriting file1.

       -q     Quiet; do not warn about conflicts.

       -V     Print RCS's version number.

DIAGNOSTICS

       Exit status is 0 for no conflicts, 1 for some conflicts, 2 for trouble.

IDENTIFICATION

       Author: Walter F. Tichy.
       Manual Page Revision: 5.8.1; Release Date: 2012-06-06.
       Copyright (C) 2010-2012 Thien-Thi Nguyen.
       Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995 Paul Eggert.
       Copyright (C) 1982, 1988, 1989 Walter F. Tichy.

SEE ALSO

       diff3(1), diff(1), rcsmerge(1), co(1).

BUGS

       It normally does not make sense to merge binary files as if they were text, but merge tries to do it anyway.

GNU RCS 5.8.1							    2012-06-06								  MERGE(1)