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Full Discussion: Restoring a file to its original location
Top Forums Shell Programming and Scripting Restoring a file to its original location Post 302774347 by tastybrownies on Friday 1st of March 2013 04:16:34 PM
Old 03-01-2013
Restoring a file to its original location
Hello everyone,

I am attempting to make a recycling bin type application in shell script (tcsh). I have the whole part of the application done where someone can recycle files from one location to the recycling bin (the lower half of the program), this is not a problem. However I wanted to make another option if the user typed in something like recycle -cleanup as argument 1 it would go into a loop to check each file currently in the recycling bin and ask the user what to do. If the user chooses d, it deletes it. If they choose s it skips it, and lastly if they choose r I want to restore it. This is where the problem lies.

I am very inexperienced with shell programming in general so I am not even sure if the way I'm doing the -cleanup thing is right. But, is there a way to know the original file location so I can just put the file back? First check that there is not a file with a duplicate name in the old directory, then if not move it back. As of now I have no clue how to do this and any help would greatly be appreciated!

Thank you! This is what I have so far:

Code:
#!/bin/tcsh -f

if ["$1" == "-cleanup" ] then

set FILES=/$HOME/.garbage/*
set userChoice = " "
foreach file ( $FILES )
  echo "Processing $file file..."
  # take action on each file. $f store current file name

  echo "$file delete/restore/skip? (d/r/s)"
  set userChoice = $<

  if userChoice == "d" then
    rm $file
    echo "$file deleted!"
  else if userChoice == "r" then
   #restore to previous spot
   echo "$file restored!"
  else if userChoice == "s" then
   # do nothing
  else
   echo "You entered an invalid choice"

  endif
 
end
else


set n = 1
set size = 0
mkdir -p ~/.garbage

while ($n <= $#argv)
 if ( -d $argv[$n] ) then
   echo "$argv[$n] is a directory and cannot be removed"
 else
    
      
     mv $argv[$n] ~/.garbage
     
     echo "The file moved to the garbage directory was: "$argv[$n] "\n"
     set size = `du ~/.garbage | cut -f1`
  
 endif 
@ n++
end

  echo "The garbage bin's size is:" $size " bytes."
endif

---------- Post updated at 04:16 PM ---------- Previous update was at 03:54 PM ----------
 

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LEARN ABOUT SUNOS

shells

shells(4)							   File Formats 							 shells(4)

NAME

       shells - shell database

SYNOPSIS

       /etc/shells

DESCRIPTION

       The shells file contains a list of the shells on the system. Applications use this file to determine whether a shell is valid. See getuser-
       shell(3C). For each shell a single line should be present, consisting of the shell's path, relative to root.

       A hash mark (#) indicates the beginning of a comment; subsequent characters up to the end of the line are not interpreted by  the  routines
       which search the file. Blank lines are also ignored.

       The  following  default	shells are used by utilities: /bin/bash, /bin/csh, /bin/jsh, /bin/ksh, /bin/pfcsh, /bin/pfksh, /bin/pfsh, /bin/sh,
       /bin/tcsh,  /bin/zsh,  /sbin/jsh,  /sbin/sh,  /usr/bin/bash,  /usr/bin/csh,  /usr/bin/jsh,  /usr/bin/ksh,  /usr/bin/pfcsh,  /usr/bin/pfksh,
       /usr/bin/pfsh, and /usr/bin/sh, /usr/bin/tcsh, /usr/bin/zsh. Note that /etc/shells overrides the default list.

       Invalid shells in /etc/shells may cause unexpected behavior (such as being unable to log in by way of ftp(1)).

FILES

       /etc/shells	       lists shells on system

SEE ALSO

       vipw(1B), ftpd(1M), sendmail(1M), getusershell(3C), aliases(4)

SunOS 5.10							    4 Jun 2001								 shells(4)
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