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04-20-2007
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where is the problem in my sed command....
for example i have the file that contain several line..and i want to swap the first word and the second word than i store it into new file..
on the command i wrote: Code:
sed -e "s/^\([^]*\)\([^]*\)/\2\1/g" file > swapfile but i got the error Code:
sed: -e expression #1, char 26:invalid reference \2 on 's' command's RHS  
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04-20-2007
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Code:
sed 's/^\([^ ][^ ]*\) \([^ ][^ ]*\)/\2 \1/' file > swapfile
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04-20-2007
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Are you sure?
Code:
reborg@www:~$ cat file one two three four five one two three four five one two three four five one two three four five one two three four five one two three four five reborg@www:~$ sed 's/^\([^ ][^ ]*\) \([^ ][^ ]*\)/\2 \1/' file two one three four five two one three four five two one three four five two one three four five two one three four five two one three four five reborg@www:~$
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