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Top Forums UNIX for Advanced & Expert Users To print from the first line until pattern is matched Post 302934809 by RudiC on Wednesday 11th of February 2015 04:23:59 AM
Old 02-11-2015
Although this
Code:
sed -n '1,/    LAC/p' file

will work with the sample given, try this
Code:
sed -rn '1,/^[^         ]+[     ]+LAC[  ]+/p' file

to be on the safe side (within the square brackets, there's a space and a <TAB> char). If your sed doesn't support the -r (or -E) option, replace the + with \+.
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