[CentOS] Conversion of text in shell

John R Pierce pierce at hogranch.com
Sat Oct 13 00:00:49 UTC 2007


Ross S. W. Walker wrote:
> Ross S. W. Walker wrote:
>   
>> roland hellström wrote:
>>     
>>> OK! I finally figured out the solution for all you people out 
>>> the eager to hear it!!!
>>> it was infact very very similar to the last line I sent... 
>>>       
>> this is it
>>     
>>> sed 's/\([^\.]*\).\([^,]*\),\([^\.]*\).\([^e]*\)e\(.*\)/\1,\2 
>>> \& $\3,\4 \\cdot 10^{\5}$\\\\/'
>>>
>>> omg I feel so h4xx0r figuring that out myself lol
>>> Thx for the help all :)
>>>       
>> I am surprised you got it all in 1 regex, I was aiming more for:
>>
>> sed 's/,/ & /;s/\./,/;s/\(.*\)e\(.*\)/\1 \\cdot 10^{\2}/'
>>     
>
> whoops, I made a mistake:
>
> sed 's/,/ \& /;s/\./,/g;s/\(.*\)e\(.*\)/\1 \\cdot 10^{\2}\$\\\\/'
>   

some wag once said...

"Some people, when confronted with a problem, think "I know, I’ll use 
regular expressions." Now they have two problems."



:)




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