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Forum: Shell Programming and Scripting 08-29-2012

Edit first line of a text file

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sed 's/A/KO/g' > corona688.txt it will...

sed 's/A/KO/g' > corona688.txt

it will change the text without opening the file.

or you can use

sed -i 's/A/KO/g'

this will save in the current file.

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