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copy all files matching the request and change the extension at the same time

 
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Top Forums UNIX for Dummies Questions & Answers copy all files matching the request and change the extension at the same time
# 15  
Old 12-23-2011
Quote:
---------- Post updated at 11:55 PM ---------- Previous update was at 11:54 PM ----------

if I change the code a little bit to this:

Code:
ls *$3*.$1|while read FILE
do
NEWFILE=$(echo $FILE|cut -d"." -f1)
echo $FILE": " $FILE " "$NEWFILE: " " $NEWFILE.$2
cp $FILE $NEWFILE.$2
done

then it copies only the files, including string, now I just need to change $3 in the new file to $4

---------- Post updated 24-12-11 at 12:29 AM ---------- Previous update was 23-12-11 at 11:55 PM ----------

I've tried this, but it's not working:

Code:
sed 's/$3/$4/g' *.$2



Try this: ( I should be in bed...)
Code:
TOFILE=$(printf $NEWFILE|sed s/$3/$4/)
cp $FILE $TOFILE.$2

I will have to leave now... my eye sight is hopeless...
Last edited by vbe; 12-24-2011 at 04:48 AM.. Reason: quotes
# 16  
Old 12-23-2011
this only creates one ".ext2" in the same directory, without any name, with only the second extension

but I found another solution now, thank's!

---------- Post updated at 04:45 AM ---------- Previous update was at 01:15 AM ----------

how do I actually remove my threads?
could you please do it, if only the moderators can?
thanks

Moderator's Comments:
Mod Comment You cannot remove your threads. They are property of the forums and also copyright by the forums.
Last edited by vacuity93; 12-23-2011 at 07:50 PM..
# 17  
Old 12-24-2011
Quote:
this only creates one ".ext2" in the same directory, without any name, with only the second extension
The solution works, though not the most elegant except to demonstrate that a goal can be achieved in unix by many means using all sorts of commands, some are more efficient, some, more accessible, some, very tricky...
I would imagine the most straightforward would have been using sed to rename in one pass... Only I avoided the solution for I have not found all the chars on this keyboard (powerbookG4... still looking for backslash andmore important the tilde!!! - How do mac users writes scripts?) and find myself very uncomfortable.

Final demo:

Code:
$  #--- create the sample files ---#
$
$ touch tst001.txt tst002.txt file.txt
$ vi rename002
$ chmod 774 rename002
$ r vi
ls *$3*.$1|while read FILE
do
   NEWFILE=$(echo $FILE|cut -d"." -f1)
   echo $FILE": " $FILE " "$NEWFILE: " " $NEWFILE.$2 "\$3: "$3" \$4: "$4
   #cp $FILE $NEWFILE.$2
   TOFILE=$(printf $NEWFILE|sed s/$3/$4/)
   echo TOFILE: " "$TOFILE
   cp $FILE $TOFILE.$2
   sleep 1
done

~                                                                                                                    
~    
"rename002" 12L, 273C
$ ./rename002 txt bin tst change
tst001.txt:  tst001.txt  tst001:   tst001.bin $3: tst $4: change
TOFILE:  change001
tst002.txt:  tst002.txt  tst002:   tst002.bin $3: tst $4: change
TOFILE:  change002
$ ll *.bin
-ksh: ll: not found [No such file or directory]
$ ls *.bin
change001.bin	change002.bin
$

This User Gave Thanks to vbe For This Post:
vacuity93
 
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