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Listing files script

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# 15  
Old 11-07-2010
Quote:
Originally Posted by DGPickett
The parentheses mean the cd moves a subshell but not the parent shell. If you
Code:
cd dir1; cd dir2

with relative paths, you are not in dir2, you are in dir1/dir2 -- you are digging down an imaginary tree. Even with absolute paths, for repeatability, it is nice not to move from the starting $PWD. If you
Code:
(cd dir1 ) ;( cd dir2)

, you have not moved.

so from this

Code:
for file in $(ls -a $2)
   do
        if [ ! -e  $1/$file ]
            then
            cd $2
         ls -ld $file
        fi

I have to get into my $PWD then cd in $2? If so how would the new code look or it would have to be completely different from what I have now.
# 16  
Old 11-07-2010
Put the cd and ls in (). cd changes your working directory, $(pwd) = $PWD, the base of all relative paths.
This User Gave Thanks to DGPickett For This Post:
Joey12
# 17  
Old 11-07-2010
so like this?

Code:
for file in $(ls -a $2)
   do
        if [ ! -e  $1/$file ]
            then
            (cd $2)
         (ls -ld $file)
        fi
   done

if so now it says this:
Code:
ls: cannot access file2: No such file or directory
ls: cannot access .hidden.file: No such file or directory
ls: cannot access phones: No such file or directory
ls: cannot access prog2.c: No such file or directory
ls: cannot access test2.dir: No such file or directory

these are the right files it just cant access them.
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