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Deleting lines not starting with numbers with sed

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# 1  
Old 12-23-2010
Deleting lines not starting with numbers with sed
Title says all Smilie

Thanks for your help
# 2  
Old 12-23-2010
Code:
sed 'g/^[!0-9]/d' file

or

grep -v "^[!0-9]" file

This User Gave Thanks to For This Post:
drbiloukos
R0H0N
# 3  
Old 12-23-2010
I guess it should be:
Code:
sed '/^[^0-9]/d' file

OR
Code:
grep -v "^[^0-9]" file

This User Gave Thanks to anurag.singh For This Post:
drbiloukos
# 4  
Old 12-23-2010
Quote:
Originally Posted by anurag.singh
I guess it should be:
Code:
grep -v "^[^0-9]" file

Code:
grep "^[0-9]" file

This User Gave Thanks to rdcwayx For This Post:
drbiloukos
# 5  
Old 12-24-2010
this not remove empty lines
Code:
sed '/^[^0-9]/d' file

more good way
Code:
sed -n '/^[0-9]/p' file

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