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renaming files from an array of names

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Top Forums Shell Programming and Scripting renaming files from an array of names
# 8  
Old 08-20-2010
This one worked
The suggestion above by Agama is the only one that I could get to give me 'almost there' results. There is still a question but I will start by showing the one that worked:

namefile
Code:
01.jpg Arthur Adams.jpg
02.jpg Catherine Albero.jpg
03.jpg Ronald Alexander.jpg
04.jpg Elizabeth Alfano.jpg
05.jpg Fran Alfano.jpg

Script
Code:
#!/bin/ksh
cat namefile | while read index name
do
    echo $index.jpg $name.jpg
done

Results
Code:
01.jpg Arthur Adams.jpg
02.jpg Catherine Albero.jpg
03.jpg Ronald Alexander.jpg
...

I'll document the problem in next submission

---------- Post updated at 06:57 PM ---------- Previous update was at 06:41 PM ----------

This is a continuation of previous reply. I can not make any sense of the error messages. This script is the same as the previous one but with "cp" instead of "echo".Smilie

Script to rename files:
Code:
#!/bin/ksh
cat namefile| while read index name
do
  cp $index.jpg $name.jpg 
done

Error messages
Code:
usage: cp [-R [-H | -L | -P]] [-fi | -n] [-apvX] source_file target_file
cp [-R [-H | -L | -P]] [-fi | -n] [-apvX] source_file ... target_directory
usage: cp [-R [-H | -L | -P]] [-fi | -n] [-apvX] source_file target_file
cp [-R [-H | -L | -P]] [-fi | -n] [-apvX] source_file ... target_directory
...


Moderator's Comments:
Mod Comment Please use code tags, thank you!
Last edited by Franklin52; 08-21-2010 at 03:42 PM..
# 9  
Old 08-20-2010
Thanks for posting a sample of your input -- wouldn't have had a clue without it.

Your problem is blanks in the target name. The cp command is seeing three parameters:

Code:
cp name.jpg arthur adams.jpg

My suggestion is to replace the spaces in your input file such that they are arthur.adams.jpg or arthur_adams.jpg, or you can do it on the cp command like this:

Code:
cp $index.jpg ${name// /_}.jpg

The ${name// /_}.jpg causes all blanks to be replaced with an underbar. Be careful as Kshell replacement syntax is not identical to regex (no closing slant) and I don't believe this is supported in Bash.
This User Gave Thanks to agama For This Post:
chuckmg
# 10  
Old 08-21-2010
Many thanks Agama! I assumed that if it worked for echo, as you suggested trying in your first message, it would work for cp. Live and learn!.

Chuck
# 11  
Old 08-21-2010
Quote:
Originally Posted by chuckmg
Many thanks Agama! I assumed that if it worked for echo, as you suggested trying in your first message, it would work for cp. Live and learn!.

Chuck
Glad that worked. The echo lets me see the command that would be executed to ensure that it's not grabbed more things than I was expecting, and to ensure that it's gotten the right list of things. Unfortunately as you discovered, it doesn't point out all issues.
# 12  
Old 08-21-2010
Quote:
Originally Posted by chuckmg

Script to rename files:
#!/bin/ksh
cat namefile| while read index name
do
cp $index.jpg $name.jpg
done
Code:
#!/bin/ksh
while read index name
do
cp "$index.jpg" "$name.jpg"
done < namefile

Use double quote(best practice) and remove the file extension.

Code:
#!/bin/ksh
while read index name
do
cp "$index" "$name"
done < namefile
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