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Vino are right that tr is a simple pattern translator. Its practical application overlaps a bit with other [ http://www.softpanorama.org/Tools/tr.shtml ]

Thanks for sharing, regards

I hv another question... if I want to seperate the data by two "**" in between, why the below don't work? Hv I miss out something? the output only has one '*' in between which I expect two :(

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thanks for sharing... it don't even need a loop! :)

Dear UNIX experts:

Hi, I have a text file which the contents are arranged vertically down, line by line.
How do use a loop (I think) to make it arrange in vertical arrangement with a tab...

if my file has multiple fields ( seperated by spacing) and I would like to add certain text between field, the command will be ... ?? ( is awk ok, but I don't know the exact command!! help SOS) :cool:

:confused: Hi, 2 questions to get some insight. Thanks

(1) I would like to add a prefix (XX00) in each row of the line in my text file and save a newly generated file another name. How to go...

Thanks for all the replies
What is UUOM btw?

:1,$ s/search_str/replacement_str/g

1,$ ----> Replace from first line to EOF
s ------> Subsitute
g------> Globally

Hi, buddies out there.

I have a text file ( only one column ) which I created using vi editor. The file contains duplicate rows and I would like to select distinct rows, how to go on it using unix...