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Deleting lines that contain spaces in a txt file

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# 1  
Old 11-20-2009
Deleting lines that contain spaces in a txt file
I need some help deleting lines in a file that contain spaces. Im sure awk or sed will work but i dont know much about those commands. Any help is appreciated Smilie
# 2  
Old 11-20-2009
Code:
sed "/ /d" infile

Or you can use grep:

Code:
grep -v " " infile

# 3  
Old 11-20-2009
Wow, that was stupid of me.. hehe. Thanks! Ill give that a go.

---------- Post updated at 05:30 PM ---------- Previous update was at 05:04 PM ----------

Worked like a charm. Thanks Smilie
# 4  
Old 11-20-2009
Code:
awk '!/ /' "$file"

# 5  
Old 11-20-2009
I have another question. How do I delete lines that start with any character? Lets say i want to delete lines that start with *.
# 6  
Old 11-20-2009
Code:
grep -v '^*' infile

# 7  
Old 11-20-2009
man grep
man awk
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