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Remove all lines which start with #

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# 1  
Old 07-04-2014
Remove all lines which start with #
Oracle Linux 6.4/Bash

I have a file like below. I want to remove all lines which start with # character. Can I do this vi editor ? If not , which other utility can I use for this ?

Code:
# This is a test script
CUSER=`id |cut -d"(" -f2 | cut -d ")" -f1`
# Some text
CDATE=`date +%y%m%d` ## get the date
app_LOG_FILE=/home/manh/appsLogs/RMANFullDB-`date +%y%m%d%H%M`.out
#main script

# 2  
Old 07-04-2014
Try (GNU sed):
Code:
sed -i.bak '/^\s*#/d' file

This User Gave Thanks to Scrutinizer For This Post:
kraljic
# 3  
Old 07-04-2014
Cool. Thank you scrutinizer. Any way this can be done from within VI editor ?
# 4  
Old 07-04-2014
Try something like:
Code:
:g/^ *#/d

This User Gave Thanks to Scrutinizer For This Post:
kraljic
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