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Shell Programming and Scripting

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# 1  
Old 05-22-2011
task
Hi all,
I'm newbie and stuck here. Thanks for any help.
Input(txt file)
Code:
a b X 
c d Y
e f Z
g h W

Requested output:
Code:
a b X Y
c d Y X
e f Z W
g h W Z

Moderator's Comments:
Mod Comment
Please use code tags when posting data and code samples!
Last edited by vgersh99; 05-22-2011 at 06:26 PM.. Reason: code tags, please!
# 2  
Old 05-22-2011
Quote:
Originally Posted by hernand
Hi all,
I'm newbie and stuck here. Thanks for any help.
Input(txt file)
Code:
a b X 
c d Y
e f Z
g h W

Requested output:
Code:
a b X Y
c d Y X
e f Z W
g h W Z

Moderator's Comments:
Mod Comment
Please use code tags when posting data and code samples!
Would you care to elaborate on the "rules" on this 'game' (without us having to guess)?

Just a guess:
Code:
nawk '!FNR%2 {print prev,$NF;print $0,l;next} {prev=$0;l=$NF}' inputFile

Last edited by vgersh99; 05-22-2011 at 06:35 PM..
# 3  
Old 05-22-2011
The rule might be:
Reverse the order of column 3 in a circular array, then rotate two notches forward.
Just a guess.

Would help to know what programming language should be used and whether there is a better definition of the rule.
# 4  
Old 05-23-2011
Thanks for comments,
sorry for not giving any description,
rule is quite simple:
take value from last column in every odd row and add it as last column in next row,
similarly take value from last column (original without previous adding) in every even row and add to the end of previous row. etc.
I need kshell script.
Thanks
Last edited by hernand; 05-23-2011 at 10:32 AM..
# 5  
Old 05-23-2011
Quote:
Originally Posted by hernand
Thanks for comments,
sorry for not giving any description,
rule is quite simple:
take value from last column in every odd row and add it as last column in next row,
similarly take value from last column (original without previous adding) in every even row and add to the end of previous row. etc.
I need kshell script.
Thanks
Did the posted 'guess' serve the purpose?
# 6  
Old 05-23-2011
Unfortunately not, its giving empty result Smilie
# 7  
Old 05-23-2011
Quote:
Originally Posted by hernand
Unfortunately not, its giving empty result Smilie
strange, I'm getting the expected output given your sample input file...
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