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 ULTRIX

diff3

diff3(1)						      General Commands Manual							  diff3(1)

Name
       diff3 - 3-way differential file comparison

Syntax
       diff3 [-ex3] file1 file2 file3

Description
       The command compares three versions of a file, and publishes the ranges of text that disagree, flagged with the following codes:

	  ====	      all three files differ

	  ====1       file1 is different

	  ====2       file2 is different

	  ====3       file3 is different

       The type of change needed to convert a given range of a given file to some other is indicated in one of these ways:

	  f : n1 a    Text is to be appended after line number n1 in file f, where f = 1, 2, or 3.

	  f : n1 , n2 c
		      Text is to be changed in the range line n1 to line n2.  If n1 = n2, the range may be abbreviated to n1.

       The original contents of the range follows immediately after a c indication.  When the contents of two files are identical, the contents of
       the lower-numbered file is suppressed.

Options
       -3   Produces an editor script containing the changes between file1 and file2 that are to be incorporated into file3.

       -e	   Produces an editor script containing the changes between file2 and file3 that are to be incorporated into file1.

       -x	   Produces an editor script containing the changes among all three files.

Examples
       Under the -e option, publishes a script for the editor that incorporates into file1 all changes between file2 and  file3  -  that  is,  the
       changes	that would normally be flagged ==== and ====3.	Option -x (-3) produces a script to incorporate only changes flagged ==== (====3).
       The following command applies the resulting script to `file1':
       (cat script; echo '1,$p') | ed - file1

Restrictions
       Text lines that consist of a single `.'	defeat -e.

Files
       /tmp/d3?????
       /usr/lib/diff3

See Also
       cmp(1), comm(1), diff(1), dffmk(1), join(1), sccsdiff(1), uniq(1)

																	  diff3(1)