global substitution in VI

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# 8  
Old 02-11-2008
Are you trying to rewrite in shell the command ux2dos?
# 9  
Old 02-11-2008
No, I'm not rewriting anything. Its simply a large text file where the first 2 columns are separated by a TAB and I want to substitute that for a single space.
# 10  
Old 02-11-2008
My remark was more specifically for ^M at end of line...
Let me think a bit for the 2 columns...
# 11  
Old 02-11-2008
substitution of <Tab> by <SpaceBar> works fine in vi using %s/press tab/one space/
:%s/ / /

Last edited by vbe; 02-11-2008 at 12:47 PM..
# 12  
Old 02-11-2008
thanks for this.
Problem is, I need a global substitution /g but ONLY for the first 2 columns. So I need to identify these in the pattern

Any ideas?
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