Please explain what exactly this awk command does:
awk '$0!~/^$/{print $0}'
Please explain what exactly this awk command does: awk ‘$0!~/^$/{print $0}’
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Please explain what exactly this awk command does:
awk '$0!~/^$/{print $0}'
It removes blank lines. The condition is
$0(the whole line) does not match!~the regexp/^$/(the beginning of the line immediately followed by the end of the line).Similar to
grep -v '^$'