print lines with unique specified fields
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How to print lines based on having unique fields 2, 3 and 4?
fields number 2 and 3 are numbers and field three is alphabet with total 2500 rows in a file.
Input:
10,11,12,A,3
10,11,12,A,4
10,11,12,B,3
OUTPUT:
10,11,12,B,3
text-processing awk uniq
edited Aug 31 at 13:49
αғsýιη
16k92563
asked Aug 31 at 12:43
αԋɱҽԃ αüєÑÂιcαη
417419
add a comment |Â
up vote
-1
down vote
favorite
How to print lines based on having unique fields 2, 3 and 4?
fields number 2 and 3 are numbers and field three is alphabet with total 2500 rows in a file.
Input:
10,11,12,A,3
10,11,12,A,4
10,11,12,B,3
OUTPUT:
10,11,12,B,3
text-processing awk uniq
edited Aug 31 at 13:49
αғsýιη
16k92563
asked Aug 31 at 12:43
αԋɱҽԃ αüєÑÂιcαη
417419
add a comment |Â
up vote
-1
down vote
favorite
up vote
-1
down vote
favorite
How to print lines based on having unique fields 2, 3 and 4?
fields number 2 and 3 are numbers and field three is alphabet with total 2500 rows in a file.
Input:
10,11,12,A,3
10,11,12,A,4
10,11,12,B,3
OUTPUT:
10,11,12,B,3
text-processing awk uniq
edited Aug 31 at 13:49
αғsýιη
16k92563
asked Aug 31 at 12:43
αԋɱҽԃ αüєÑÂιcαη
417419
How to print lines based on having unique fields 2, 3 and 4?
fields number 2 and 3 are numbers and field three is alphabet with total 2500 rows in a file.
Input:
10,11,12,A,3
10,11,12,A,4
10,11,12,B,3
OUTPUT:
10,11,12,B,3
text-processing awk uniq
text-processing awk uniq
edited Aug 31 at 13:49
αғsýιη
16k92563
asked Aug 31 at 12:43
αԋɱҽԃ αüєÑÂιcαη
417419
edited Aug 31 at 13:49
αғsýιη
16k92563
asked Aug 31 at 12:43
αԋɱҽԃ αüєÑÂιcαη
417419
edited Aug 31 at 13:49
αғsýιη
16k92563
edited Aug 31 at 13:49
αғsýιη
16k92563
edited Aug 31 at 13:49
αғsýιη
16k92563
16k92563
asked Aug 31 at 12:43
αԋɱҽԃ αüєÑÂιcαη
417419
asked Aug 31 at 12:43
αԋɱҽԃ αüєÑÂιcαη
417419
asked Aug 31 at 12:43
αԋɱҽԃ αüєÑÂιcαη
417419
417419
add a comment |Â
add a comment |Â
2 Answers
2
active
oldest
votes
up vote
3
down vote
With awk:
awk -F, 'NR==FNR dup[$2, $3, $4]++; next (dup[$2, $3, $4]==1)' infile infile
Here, we are processing input infile two times, first read the file and saving each duplicated lines according to the specified fields $2, $3 and $4 into the associated array named dup; the ++ is incrementing those lines occurrences every time.
At next process, checking and will print the entire line if the specified fields occurred only once.
answered Aug 31 at 13:11
αғsýιη
16k92563
add a comment |Â
up vote
0
down vote
For example:
egrep '^[^,]*,11,12,B,' input.file
Explain:
^ from begining of the line
[^,] anything what is not the ','
* as many times as possible
,11,12,B, that what you search for
answered Aug 31 at 13:04
schweik
1804
1
field 2 and 3 are not static numbers.
– msp9011
Aug 31 at 13:05
Well, all lines, where patern formed with (field 2, field 3, field 4) are repeated only once? If so, theawkis the right solution. (as αғsýιη wrote)
– schweik
Aug 31 at 13:22
add a comment |Â
2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
up vote
3
down vote
With awk:
awk -F, 'NR==FNR dup[$2, $3, $4]++; next (dup[$2, $3, $4]==1)' infile infile
Here, we are processing input infile two times, first read the file and saving each duplicated lines according to the specified fields $2, $3 and $4 into the associated array named dup; the ++ is incrementing those lines occurrences every time.
At next process, checking and will print the entire line if the specified fields occurred only once.
answered Aug 31 at 13:11
αғsýιη
16k92563
add a comment |Â
up vote
3
down vote
With awk:
awk -F, 'NR==FNR dup[$2, $3, $4]++; next (dup[$2, $3, $4]==1)' infile infile
Here, we are processing input infile two times, first read the file and saving each duplicated lines according to the specified fields $2, $3 and $4 into the associated array named dup; the ++ is incrementing those lines occurrences every time.
At next process, checking and will print the entire line if the specified fields occurred only once.
answered Aug 31 at 13:11
αғsýιη
16k92563
add a comment |Â
up vote
3
down vote
up vote
3
down vote
With awk:
awk -F, 'NR==FNR dup[$2, $3, $4]++; next (dup[$2, $3, $4]==1)' infile infile
Here, we are processing input infile two times, first read the file and saving each duplicated lines according to the specified fields $2, $3 and $4 into the associated array named dup; the ++ is incrementing those lines occurrences every time.
At next process, checking and will print the entire line if the specified fields occurred only once.
answered Aug 31 at 13:11
αғsýιη
16k92563
With awk:
awk -F, 'NR==FNR dup[$2, $3, $4]++; next (dup[$2, $3, $4]==1)' infile infile
Here, we are processing input infile two times, first read the file and saving each duplicated lines according to the specified fields $2, $3 and $4 into the associated array named dup; the ++ is incrementing those lines occurrences every time.
At next process, checking and will print the entire line if the specified fields occurred only once.
answered Aug 31 at 13:11
αғsýιη
16k92563
edited Aug 31 at 13:57
answered Aug 31 at 13:11
αғsýιη
16k92563
answered Aug 31 at 13:11
αғsýιη
16k92563
answered Aug 31 at 13:11
αғsýιη
16k92563
16k92563
add a comment |Â
add a comment |Â
up vote
0
down vote
For example:
egrep '^[^,]*,11,12,B,' input.file
Explain:
^ from begining of the line
[^,] anything what is not the ','
* as many times as possible
,11,12,B, that what you search for
answered Aug 31 at 13:04
schweik
1804
1
field 2 and 3 are not static numbers.
– msp9011
Aug 31 at 13:05
Well, all lines, where patern formed with (field 2, field 3, field 4) are repeated only once? If so, theawkis the right solution. (as αғsýιη wrote)
– schweik
Aug 31 at 13:22
add a comment |Â
up vote
0
down vote
For example:
egrep '^[^,]*,11,12,B,' input.file
Explain:
^ from begining of the line
[^,] anything what is not the ','
* as many times as possible
,11,12,B, that what you search for
answered Aug 31 at 13:04
schweik
1804
1
field 2 and 3 are not static numbers.
– msp9011
Aug 31 at 13:05
Well, all lines, where patern formed with (field 2, field 3, field 4) are repeated only once? If so, theawkis the right solution. (as αғsýιη wrote)
– schweik
Aug 31 at 13:22
add a comment |Â
up vote
0
down vote
up vote
0
down vote
For example:
egrep '^[^,]*,11,12,B,' input.file
Explain:
^ from begining of the line
[^,] anything what is not the ','
* as many times as possible
,11,12,B, that what you search for
answered Aug 31 at 13:04
schweik
1804
For example:
egrep '^[^,]*,11,12,B,' input.file
Explain:
^ from begining of the line
[^,] anything what is not the ','
* as many times as possible
,11,12,B, that what you search for
answered Aug 31 at 13:04
schweik
1804
edited Aug 31 at 13:11
answered Aug 31 at 13:04
schweik
1804
answered Aug 31 at 13:04
schweik
1804
answered Aug 31 at 13:04
schweik
1804
1804
1
field 2 and 3 are not static numbers.
– msp9011
Aug 31 at 13:05
Well, all lines, where patern formed with (field 2, field 3, field 4) are repeated only once? If so, theawkis the right solution. (as αғsýιη wrote)
– schweik
Aug 31 at 13:22
add a comment |Â
1
field 2 and 3 are not static numbers.
– msp9011
Aug 31 at 13:05
Well, all lines, where patern formed with (field 2, field 3, field 4) are repeated only once? If so, theawkis the right solution. (as αғsýιη wrote)
– schweik
Aug 31 at 13:22
1
1
field 2 and 3 are not static numbers.
– msp9011
Aug 31 at 13:05
field 2 and 3 are not static numbers.
– msp9011
Aug 31 at 13:05
Well, all lines, where patern formed with (field 2, field 3, field 4) are repeated only once? If so, the
awk is the right solution. (as αғsýιη wrote)– schweik
Aug 31 at 13:22
Well, all lines, where patern formed with (field 2, field 3, field 4) are repeated only once? If so, the
awk is the right solution. (as αғsýιη wrote)– schweik
Aug 31 at 13:22
add a comment |Â
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