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Feb 20

Linux command 20/02/2014

Category: geek,linux

Count number of specific character per line (our example number of tabulation)

cat file | tr -d -c '\t\n'| awk '{ print length; }'> stat

Extract strings that match a regular expression (our case string that begin with XXX and contain 9 characters)

cat input | egrep -oh 'XXX......' > output
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