write shell script to rename file


 
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# 1  
Old 12-09-2010
write shell script to rename file

hi,
I need some help in writing shell script in a bourne shell.I am trying to rename the file..
eg.
Code:
find /root/data -type f -name "text*) | while read FILES
do
  newfile=${FILES/type_2.0_20101208_34.xml / tmp.xml}
  mv "$FILES" "$newfile"
done

above written script is working...If the name of my file is changed into type_2.0_20101208_35.xml so i have to write this filename in script.Every time when file name is change i have to change the the file name in script..But i do not want to editing in script to change the name of file..so what i write in place of type_2.0_20101208_34.xml in code..
Please help me to overcome this problem,...

Last edited by Franklin52; 12-09-2010 at 07:17 AM.. Reason: Please use code tags and indent your code, thanks
# 2  
Old 12-09-2010
Have a counter defined and call it in the variable newfile
Code:
count=0
find /root/data -type f -name "text*" | while read FILES
do
	count=$(( ${count} +1 )) # shorter one (( count += 1 ))
	newfile=${FILES/type_2.0_20101208_${count}.xml/tmp.xml}
	mv "$FILES" "$newfile"
done

However i believe type_2.0_20101208_34.xml is directory in this case (FILES/type_2.0_20101208_34.xml/tmp.xml)

Last edited by michaelrozar17; 12-09-2010 at 07:55 AM..
# 3  
Old 12-10-2010
Quote:
Originally Posted by michaelrozar17
Have a counter defined and call it in the variable newfile
Code:
count=0
find /root/data -type f -name "text*" | while read FILES
do
    count=$(( ${count} +1 )) # shorter one (( count += 1 ))
    newfile=${FILES/type_2.0_20101208_${count}.xml/tmp.xml}
    mv "$FILES" "$newfile"
done

However i believe type_2.0_20101208_34.xml is directory in this case (FILES/type_2.0_20101208_34.xml/tmp.xml)

Thanks..I tried to run this code but i found error in mv command like
mv:can not stat `:no such file or directory

one thing i write to forget i have to also change the date with number.It means if the name of the file is type_2.0_20101208_34. if any modification is done in this file then next time this file is saved named as type_2.0_20101209_35.
# 4  
Old 12-10-2010
Quote:
Originally Posted by shubhig15
Thanks..I tried to run this code but i found error in mv command like
mv:can not stat `:no such file or directory
As stated earlier, every time it loops through the while condition the move command checks for the sub-directory FILES/type_2.0_20101208_* and copies the file to tmp.xml, since you have given the path as FILES/type_2.0_20101208_${count}.xml/tmp.xml. So unless you have the sub-directory type_2.0_20101208_* created under directory FILES you will have this error.
Guess you are aware of the directory-tree structure, where except tmp.xml all the others are directories and sub-directories here..FILES/type_2.0_20101208_${count}.xml/tmp.xml
This User Gave Thanks to michaelrozar17 For This Post:
# 5  
Old 12-10-2010
Quote:
Originally Posted by michaelrozar17
As stated earlier, every time it loops through the while condition the move command checks for the sub-directory FILES/type_2.0_20101208_* and copies the file to tmp.xml, since you have given the path as FILES/type_2.0_20101208_${count}.xml/tmp.xml. So unless you have the sub-directory type_2.0_20101208_* created under directory FILES you will have this error.
Guess you are aware of the directory-tree structure, where except tmp.xml all the others are directories and sub-directories here..FILES/type_2.0_20101208_${count}.xml/tmp.xml


how to overcome this type of error.
# 6  
Old 12-10-2010
It depends upon your requirement. Wot exactly your trying to do.. i mean from where to where your trying to move the files and wot is the destination file name for the move command. Is it always tmp.xml? Brief the requirements.
# 7  
Old 12-10-2010
Quote:
Originally Posted by michaelrozar17
It depends upon your requirement. Wot exactly your trying to do.. i mean from where to where your trying to move the files and wot is the destination file name for the move command. Is it always tmp.xml? Brief the requirements.

FROMDIR=/root/test/data
TODIR=/root/test/data1

data directory contains file tmp_2.0_20101208_34.xml and data1 contains file tmp.xml.I want to move tmp_2.0_20101208_34.xml file into data1 folder and after that its name replace with tmp.xml because other application using this tmp.xml.If user do any modification in this tmp_2.0_20101208_34.xml file than he save the name of the file as tmp_2.0_20101209_35.xml again this file is moved in data1 folder and name changed as tmp.xml.Destination file name is always tmp.xml
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