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Move file from one directory and update the list file once moved.

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Top Forums Shell Programming and Scripting Move file from one directory and update the list file once moved.
# 8  
Old 03-01-2018
Dear RudiC,

I am confused from your above post.
Kindly guide
# 9  
Old 03-01-2018
What is the output of the proposal in post#3? Compare this to the original file. It should be the file names for which the mv failed.
This User Gave Thanks to RudiC For This Post:
sadique.manzar
# 10  
Old 03-01-2018
what if my file list its keep on appending.
so i want to read each line perform move command and then delete the line from the listfiles one by one simultaneously.
Last edited by sadique.manzar; 03-01-2018 at 04:58 PM..
# 11  
Old 03-01-2018
Appending? No way - if you run the snippet as given. I've (reluctantly) built your sceanrio from post#6 but removed file003.bin from the input file. Result:
Code:
while read line; do cp -v $line /tmp/; done <file 2>/dev/null | sed 's/\o047\| ->.*$//g; s/^/^/'  | grep -vxf- file
TEST/file003.bin

which - to me - is EXACTLY what you requested : the input file with ALL successful moves deleted. Save this result to a file and replace the input

You could also try - given the input is sorted -
Code:
while read line; do cp -v $line /tmp/; done <file 2>/dev/null | cut -d\' -f2 | comm -13 - file

Last edited by RudiC; 03-01-2018 at 04:40 AM..
This User Gave Thanks to RudiC For This Post:
sadique.manzar
# 12  
Old 03-01-2018
Sorry for the confusion.
what i mean to say is my input filelist is keep appending through a program.
What i need to do is move this files whose path has be captured in the filelist to another directory.
and once moved delete line from the filelist not file from the directory
# 13  
Old 03-01-2018
You say another process has the input filelist open for writing randomly and simultaneously? Then your request can't be fulfilled without implementing locking mechanisms, esp. in that other program. What you can do is keep your successes in an extra file, deduct / exclude those from the input file, and use the result for moving.
This User Gave Thanks to RudiC For This Post:
sadique.manzar
# 14  
Old 03-01-2018
Dear RudiC,

When I run your #post3 script.
files are moved but processedfile.txt still contains the lines, which i need to update after move.
Once succesfully moved, these lines should not be present in the processedfile.txt filelist.
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