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Shell Programming and Scripting

Delete all lines that start with a bigger number of a specific one.

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Top Forums Shell Programming and Scripting Delete all lines that start with a bigger number of a specific one.
# 8  
Old 11-16-2010
Code:
awk '!/[2-9]/' file

# 9  
Old 11-16-2010
Quote:
Originally Posted by cabrao
Code:
awk '!/[2-9]/' file

won't work in some case

Code:
"This line should 4 example be retained"

... but because of the 4 it is filtered out
Smilie
# 10  
Old 11-16-2010
Code:
 
#/bin/ksh
awk -v max=$1  '!($1 ~ "^[0-9][0-9]*$" && $1>max)' file_name

# 11  
Old 11-16-2010
Code:
awk '/[^0-9]/||$1<3' file
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