remove trailing spaces from a line

vikas_kesarwani · #1 (**permalink**) 11-17-2008

I want to remove the trailing spaces from any line of file.
line ending does not follow any pattern.
plz help

zaxxon · #2 (**permalink**) 11-17-2008

Code:

root@isau02:/data/tmp/testfeld> od -c infile
0000000   a   b   c       m   o   n          \t          \t          \n
0000020   f   i   e   l   d   1       f   i   e   l   d   5[b]          \t
0000040  \t      \t  \t      \t              \t      \t      \t  \n
0000057
root@isau02:/data/tmp/testfeld> sed 's/[[:space:]]*$//' infile| od -c
0000000   a   b   c       m   o   n  \n   f   i   e   l   d   1       f
0000020   i   e   l   d   5  \n
0000026

Franklin52 · #3 (**permalink**) 11-17-2008

If your sed version doesn't support the POSIX Character Classes you can use a space and a \t within the square brackets:

Code:

sed 's/[ \t]*$//'

Older versions of sed even doesn't recognize the \t as a tab. In that case you can type <Ctrl-V> <TAB> successively instead of \t:

Code:

sed 's/[     ]*$//'

Regards

vikas_kesarwani · #4 (**permalink**) 11-17-2008

thnx a lot buddy

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