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How can i delete a keyword starting with x in

Comment:

I am trying to delete words starting with x from a text file in unix. e.g: xaa, xab ... Please help me

Name: nails
Date: July 23, 2009 at 17:06:12 Pacific

Reply:

This awk script looks at each field and if the field starts with x and is composed of characters and numbers, then set to the field to a space: I am using Solaris nawk. nawk ' { for(i=1; i<=NF; i++) gsub("^x[0-9A-Za-z]*$", "", $i) print $0 } ' datafile

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Name: lankrypt0
Date: July 29, 2009 at 08:20:50 Pacific

Reply:

are the words on their own line or at the beginning of a line, or can they appear anywhere in the file?

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