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Homework and Emergencies Homework & Coursework Questions Student needs grep command help Post 303007968 by RudiC on Friday 24th of November 2017 05:21:37 AM
Old 11-24-2017
Quote:
Originally Posted by jetoutant
. . .
Code:
grep ECE 3\.[5-9] smallFile
grep 'ECE 3\.[5-9]' smallFile
grep ECE {3}\.[5-9] smallFile 
grep ECE '{3}\.[5-9]' smallFile

don't work to eliminate a 2or 4 before the dot
There's a fundamental difference between form 1, 3 and 4 and form 2 of your commands. Can you tell it?
Why shouldn't one form (which one?) work given you match the field separators in data file and regex?
 

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