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Old 07-20-2010, 08:50 AM   #1
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how to copy some lines in a file and delete these lines after

i have a file that contains 100 ligns, i need to write a script that read 70 lignes and redirect those 70 ligns to another files and these 70ligns have to be erased in the first file

when i write this command
head -70 somefile.txt>test.txt

sed -n 70p somefile.txt>test.txt

i have these 70 lines in the text.txt files
but these 70 lines have to be deleted inthe first file somefile.txt

please help me
Old 07-20-2010, 08:55 AM   #2
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Please post your thread in only one forum. Posting a single thread in the most relevant forum will make it easier for members to help you and will keep the discussion in one place. This thread is being closed because it is a duplicate.

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