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How to ignore characters and print only number using unix?

 
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# 1  
Old 08-03-2007
Bug How to ignore characters and print only number using unix?
say
D45H
E67H
G779K
F8888U
T66Y
Y333U

output shud be like
45
67
779
8888
66
333
# 2  
Old 08-03-2007
Quote:
Originally Posted by cdfd123
say
D45H
E67H
G779K
F8888U
T66Y
Y333U

output shud be like
45
67
779
8888
66
333
Code:
tr -d '[:alpha:]' < file.txt

# 3  
Old 08-03-2007
Put all the lines in a file (say file.txt) and then:

Code:
sed "s/[^0-9]//g" file.txt

or without file:

echo "D45H" | sed "s/[^0-9]//g"

Bye
# 4  
Old 08-03-2007
Bug
Quote:
Originally Posted by vino
Code:
tr -d '[:alpha:]' < file.txt

Thanks u very much
# 5  
Old 08-03-2007
Quote:
Originally Posted by robotronic
Put all the lines in a file (say file.txt) and then:

Code:
sed "s/[^0-9]//g" file.txt

or without file:

echo "D45H" | sed "s/[^0-9]//g"

Bye
Thanks u very much
# 6  
Old 08-03-2007
Code:
perl -e 'while (<>) { s/[A-Za-z]//g; print }' filename

 
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