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String search

Comment:

Hi I need to display a line and its previous line that has search string from bottom of the file. For ex. My search string is “One” and the data file is as below First Occurrence One Two Second Occurrence One Two Third Occurrence One Two Expecting output as : Third Occurrence One Thank you for your help. Jb

Name: Jim Boothe
Date: December 15, 2004 at 12:50:19 Pacific

Reply:

awk '\ { if (match($0,"One"))     {hold_prevline=prevline      hold_currline=$0}   prevline=$0 } END \ { if (hold_currline=="")      print "No match found."   else     {print hold_prevline      print hold_currline} }' datafile

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