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UNIX for Dummies Questions & Answers

cut and print part of a string

 
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# 1  
Old 07-23-2010
cut and print part of a string
I have a file that contains:
Code:
yahoo.com.23456
web.log.common.us.gov.8675
192.168.1.55.34443
john-doe.about.com.22233
64.222.3.4.120
sunny.ca.4442

how can i remove the strings after the last dot (.) and reprint the file?

Thanks.
Last edited by radoulov; 07-23-2010 at 07:09 PM.. Reason: Code tags, please!
# 2  
Old 07-23-2010
Do you want to remove the last dot as well?

Code:
sed 's \.[^.]*$  ' infile

This User Gave Thanks to radoulov For This Post:
apalex
# 3  
Old 07-24-2010
Thanks, it works!

Code:
sed 's/\.[^.]*$//' infile

Last edited by radoulov; 07-24-2010 at 12:14 PM.. Reason: Code tags, please!
# 4  
Old 07-26-2010
Code:
#!/bin/bash
while read -r LINE; do  echo ${LINE%.*}; done< "myfile" > newfile
mv newfile myfile

 
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