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Copy multiple lines into a line wit

Comment:

Hi, I have a text file which looks like aaaaaa bbbbbb cccccc What should be the sed command to produce a one line output like aaaaaa, bbbbbb, cccccc Thank you,

Name: David Perry
Date: May 5, 2005 at 04:57:42 Pacific

Reply:

Would tr work ? tr '\012' ' ' < filename

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Name: nails
Date: May 5, 2005 at 08:45:27 Pacific

Reply:

the 'xargs echo' places everything on one line and the sed replaces each space with a comma: cat datafile |xargs echo|sed 's/ /,/g'

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Unix certification.

script need help

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