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How to Removing a dot from a file name?

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# 8  
Old 09-14-2011
Quote:
Originally Posted by cfajohnson
Code:
suffix=DAT
for file in *
do
  mv "$file" "${file%.*}.$suffix"
done


It does not work. It partially works. Here is what I have:
Code:
for file in 08261100.RMT
do
  newfile=`echo kumc_835_Aetna_${file%.*}.dat`

  mv $file ./$newfile
done

It comes out as : kumc_835_Aetna_08261100.dat
I need it to write it as: kumc_835_Aetna_08261100RMT.dat

I need to remove the . from the input file "keep the old extention " and add .dat to the end.

Thanks

---------- Post updated at 09:22 PM ---------- Previous update was at 05:03 PM ----------

Quote:
Originally Posted by mira
do you want to add .DAT to all file names and remove all other dots?

your first example was showing that all your files are ending with .dat and you wish you remove all dots other than the one before dat.


Yes.

---------- Post updated at 09:32 PM ---------- Previous update was at 09:22 PM ----------

Quote:
Originally Posted by sk1418
awk : (the ls or find cmd to get the file name is omitted)

Code:
kent$  echo "a.b.c.d.f.dat"|awk -F'.' 'BEGIN{OFS=""}{s=$NF;o=$0;$NF="";print "mv "o" " $0"."s}'                                          
mv a.b.c.d.f.dat abcdf.dat
 
add |sh at the end of the command line will do the rename.
 
 
kent$  echo "a.b.c.d.f.dat"|awk -F'.' 'BEGIN{OFS=""}{s=$NF;o=$0;$NF="";print "mv "o" " $0"."s}' |sh


Thank you, I will try it tomorrow when I am at the office. Can you please explain to me what each part mean/does. Thanks
Last edited by Franklin52; 09-15-2011 at 04:19 AM.. Reason: Please use code tags for code and data samples, thank you
# 9  
Old 09-14-2011
Save the file under the location where you need to rename files and run
Code:
#!/bin/ksh
ls *.dat | while read file
do
        mv $file ${file/./}
done

# 10  
Old 09-14-2011
Quote:
Originally Posted by mrn6430


Thank you, I will try it tomorrow when I am at the office. Can you please explain to me what each part mean/does. Thanks
a.b.c.d.f.dat is the file name you want to play with.
the awk line produces the shell command "mv a.b.c.d.f.dat abcdef.dat"
|sh will execute the command, to do the rename operation.
# 11  
Old 09-14-2011
MySQL Final version that worked - thanks to all
Thank you all for your valuable information. Here is the final version I used that works for what I want. I used 2 for loops as follows in my script:
Code:
for file in $GetFileName*.*; do
     newfile=`echo kumc_835_Aetna_$file.dat`
     mv $file ./$newfile
done
for file in kumc_835_Aetna*.dat; do
     newfile=`echo $file | awk -F'.' 'BEGIN{OFS=""}{s=$NF;o=$0;$NF="";print "mv "o" " $0"."s}'|sh`
done


Thanks again
Last edited by Franklin52; 09-15-2011 at 04:19 AM.. Reason: Please use code tags for code and data samples, thank you
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