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join 2 lines based on 1st field

 
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# 1  
Old 07-29-2012
join 2 lines based on 1st field
hi
i have a file with the following lines


Code:
 
2303:13593:137135 16 abc1 26213806.......
1234:45675:123456 16 bbc1 9813806.......
2303:13593:137135 17 bna1 26566444....
1234:45675:123456 18 nnb1 98123456.......

i want to join the lines having common 1st field i,e.,

Code:
 
2303:13593:137135 16 abc1 26213806.......2303:13593:137135 17 bna1 26566444....

Code:
 
sed 'N;s/\n/ /'

would join lines how to specify my condition? the field that has to be compared is the first field i,e .,
Code:
number:number:number

# 2  
Old 07-29-2012
Try this, test being the input file:
Code:
 sort -t\: test|paste -sd' \n' -

resulting in
Code:
1234:45675:123456 16 bbc1 9813806....... 1234:45675:123456 18 nnb1 98123456.......
2303:13593:137135 16 abc1 26213806....... 2303:13593:137135 17 bna1 26566444....

These 2 Users Gave Thanks to RudiC For This Post:
anurupa777 svks1985
 
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