i have a requirement where in a file i will get string. The length could be from 1 to 20. if the string is less than 6 characters ( ex: ABCD) . i need to append 'X' on right hand side to make it 6 characters (ex: ABCDXX). if suppose i get the same string from the file as ABCDXX then i should not touch this string, where as i need to append one more X to the original ABCD to make it ABCDXXX and again i need to search if ABCDXXX again exists in the file. if it exists again i should not touch that string in the file where as i need to append ABCDXXXX to make it distinct and this will continue.
Here is example in the File.
Code:
ABCD ---should be converted to ABCDXX to make it six characters
ABCDX-- should be converted t0 ABCDXX to make it six characters
ABCDXX--should reamin the same.
in the above case we have 3 ABCDXX strings after conversion. to make it unique
in the above case ABCD--ABCDXX--ABCDXXX should be converted like this.
ABCDXX-- from the file should not be touched as it satisfies the 6 character condition
and ABCDX--ABCDXX--ABCDXXXX should be converted like this.
awk 'NR==FNR&&length($1)>=6{a[$1]}
NR>FNR{if (length($1)<6) { new=substr($1 "XXXXX",1,6);
while (new in a) {i++;new=substr($1 "XXXXXXXXXXXXXXXXX",1,6+i)}
a[new];print $1,$1","new;i=0
}
else{print $1,$1","$1}
}' input_file input_file
sorry to ask this again
in the input file i have 2 columns and the logic should be applied on col2 and the 2 columns are separated by comma in the input file.The outfile should have 2 columns in the file and 3rd derived column separated by comma.
Code:
input file
outputfile
1,ABC
1,ABC, ABCXXXX
2,ABCD
2,ABCD,ABCDXXXXX
3,ABCDX
3,ABCDX,ABCDXXXXXX
4,ABCDXX
4,ABCDXX,ABCDXX
5,ABCDXXX
5,ABCDXXX,ABCDXXX
6,ABCDXXXX
6,ABCDXXXX,ABCDXXXX
7,ABCXXX
7,ABCXXX,ABCXXX
8,A
8,A,AXXXXX
9,B
9,B,BXXXXX
Thanks again
dsdev
Last edited by dsdev_123; 07-29-2011 at 04:30 PM..
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