Sponsored Content
Top Forums UNIX for Dummies Questions & Answers Remove duplicates from a file Post 302804661 by saga20 on Thursday 9th of May 2013 04:26:28 AM
Old 05-09-2013
Here is the sample input & output file-
Input- Emp.txt
Code:
Empid   Empname    Joining_Date    Salary
101       ABC       11/01/1991      5000
104       MNO       17/04/1984      12000
102       DEF       15/04/1998      8000
101       ABC       11/01/1991      5000
107       XYZ       24/09/1978      6000
104       MNO       17/04/1984      12000
101       ABC       11/01/1991      5000

Output- Emp.txt
Code:
Empid   Empname    Joining_Date    Salary
101       ABC       11/01/1991      5000
104       MNO       17/04/1984      12000
102       DEF       15/04/1998      8000
107       XYZ       24/09/1978      6000

I want the output in the same file...

Last edited by radoulov; 05-09-2013 at 06:14 AM..
 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Remove duplicates from File from specific location

How can i remove the duplicate lines from a file, for example sample123456Sample testing123456testing XXXXX131323XXXXX YYYYY423432YYYYY fsdfdsf123456gsdfdsd all the duplicates from column 6-12 , must be deleted. I want to consider the first row, if same comes in the given range i want to... (1 Reply)
Discussion started by: gopikgunda
1 Replies

2. Shell Programming and Scripting

remove duplicates within a block in a file..help required

hi.. i have a file in the following format :- name-a age -12 address-123 age-12 phone-22222 ============ name-ab age -11 address-123 age-11 phone-222223 ============= name-abc age -12 address-1234 age-12 phone-2222223 ============= (2 Replies)
Discussion started by: nipun_garg
2 Replies

3. Shell Programming and Scripting

Shell script to remove duplicates lines in a file

Hi, I am writing a shell script that needs to remove duplicate lines within a file by category. example: section a a c b a section b a b a c I need to remove the duplicates within th category with out removing the duplicates from the 2 different sections (one of the a's in section... (1 Reply)
Discussion started by: RichElks
1 Replies

4. Shell Programming and Scripting

Remove duplicates from end of file

1/p ---- A B C A C o/p --- B A C From input file it should remove duplicates from end without changing order (5 Replies)
Discussion started by: lavnayas
5 Replies

5. Shell Programming and Scripting

Remove duplicates from a file

Hi, I need to remove duplicates from a file. The file will be like this 0003 10101 20100120 abcdefghi 0003 10101 20100121 abcdefghi 0003 10101 20100122 abcdefghi 0003 10102 20100120 abcdefghi 0003 10103 20100120 abcdefghi 0003 10103 20100121 abcdefghi Here if the first colum and... (6 Replies)
Discussion started by: gpaulose
6 Replies

6. Shell Programming and Scripting

Search based on 1,2,4,5 columns and remove duplicates in the same file.

Hi, I am unable to search the duplicates in a file based on the 1st,2nd,4th,5th columns in a file and also remove the duplicates in the same file. Source filename: Filename.csv "1","ccc","information","5000","temp","concept","new" "1","ddd","information","6000","temp","concept","new"... (2 Replies)
Discussion started by: onesuri
2 Replies

7. Shell Programming and Scripting

How to remove duplicates from the .dat file

All, I have a file 1181CUSTOMER-L061411_003500.dat.Z having duplicate records in it. bash-2.05$ zcat 1181CUSTOMER-L061411_003500.dat.Z|grep "90876251S" 90876251S|ABG, AN ADAYANA COMPANY|3550 DEPAUW BLVD|||US|IN|INDIANAPOLIS||DAL|46268||||||GEN|||||||USD|||ABG, AN ADAYANA... (3 Replies)
Discussion started by: Oracle_User
3 Replies

8. UNIX for Dummies Questions & Answers

Remove duplicates and keep them in a separate file

Hi, I have a tablular separated file and I want to remove all the rows that have duplicates. The diuplicates I need to check are in column 13. I have tried to use awk but I have no Idea how to keep the duplicate file. awk 'FNR==NR{a++;next}(a> 1)' tomodify.txt tomodify.txt > new.txt ... (4 Replies)
Discussion started by: flacchy
4 Replies

9. Shell Programming and Scripting

To remove duplicates from pipe delimited file

Hi some one please help me to remove duplicates from a pipe delimited file based on first two columns. 123|asdf|sfsd|qwrer 431|yui|qwer|opws 123|asdf|pol|njio Here My first record and last record are duplicates.As per my requirement I want all the latest records into one file. I want the... (12 Replies)
Discussion started by: ginrkf
12 Replies

10. UNIX for Advanced & Expert Users

Remove duplicates in flat file

Hi all, I have a issues while loading a flat file to the DB. It is taking much time. When analyzed i found out that there are duplicates entry in the flat file. There are 2 type of Duplicate entry. 1) is entire row is duplicate. ( i can use sort | uniq) to remove the duplicated entry. 2) the... (4 Replies)
Discussion started by: samjoshuab
4 Replies
ascii(5)							File Formats Manual							  ascii(5)

NAME
ascii - Octal, hexadecimal, and decimal ASCII character sets DESCRIPTION
The octal character set is: 000 nul 020 dle 040 sp 060 0 100 @ 120 P 140 ` 160 p 001 soh 021 dc1 041 ! 061 1 101 A 121 Q 141 a 161 q 002 stx 022 dc2 042 " 062 2 102 B 122 R 142 b 162 r 003 etx 023 dc3 043 # 063 3 103 C 123 S 143 c 163 s 004 eot 024 dc4 044 $ 064 4 104 D 124 T 144 d 164 t 005 enq 025 nak 045 % 065 5 105 E 125 U 145 e 165 u 006 ack 026 syn 046 & 066 6 106 F 126 V 146 f 166 v 007 bel 027 etb 047 ' 067 7 107 G 127 W 147 g 167 w 010 bs 030 can 050 ( 070 8 110 H 130 X 150 h 170 x 011 ht 031 em 051 ) 071 9 111 I 131 Y 151 i 171 y 012 nl 032 sub 052 * 072 : 112 J 132 Z 152 j 172 z 013 vt 033 esc 053 + 073 ; 113 K 133 [ 153 k 173 { 014 np 034 fs 054 , 074 < 114 L 134 154 l 174 | 015 cr 035 gs 055 - 075 = 115 M 135 ] 155 m 175 } 016 so 036 rs 056 . 076 > 116 N 136 ^ 156 n 176 ~ 017 si 037 us 057 / 077 ? 117 O 137 _ 157 o 177 del The hexadecimal character set is: 00 nul 10 dle 20 sp 30 0 40 @ 50 P 60 ` 70 p 01 soh 11 dc1 21 ! 31 1 41 A 51 Q 61 a 71 q 02 stx 12 dc2 22 " 32 2 42 B 52 R 62 b 72 r 03 etx 13 dc3 23 # 33 3 43 C 53 S 63 c 73 s 04 eot 14 dc4 24 $ 34 4 44 D 54 T 64 d 74 t 05 enq 15 nak 25 % 35 5 45 E 55 U 65 e 75 u 06 ack 16 syn 26 & 36 6 46 F 56 V 66 f 76 v 07 bel 17 etb 27 ' 37 7 47 G 57 W 67 g 77 w 08 bs 18 can 28 ( 38 8 48 H 58 X 68 h 78 x 09 ht 19 em 29 ) 39 9 49 I 59 Y 69 i 79 y 0a nl 1a sub 2a * 3a : 4a J 5a Z 6a j 7a z 0b vt 1b esc 2b + 3b ; 4b K 5b [ 6b k 7b { 0c np 1c fs 2c , 3c < 4c L 5c 6c l 7c | 0d cr 1d gs 2d - 3d = 4d M 5d ] 6d m 7d } 0e so 1e rs 2e . 3e > 4e N 5e ^ 6e n 7e ~ 0f si 1f us 2f / 3f ? 4f O 5f _ 6f o 7f del The decimal character set is: 0 nul 16 dle 32 sp 48 0 64 @ 80 P 96 ` 112 p 1 soh 17 dc1 33 ! 49 1 65 A 81 Q 97 a 113 q 2 stx 18 dc2 34 " 50 2 66 B 82 R 98 b 114 r 3 etx 19 dc3 35 # 51 3 67 C 83 S 99 c 115 s 4 eot 20 dc4 36 $ 52 4 68 D 84 T 100 d 116 t 5 enq 21 nak 37 % 53 5 69 E 85 U 101 e 117 u 6 ack 22 syn 38 & 54 6 70 F 86 V 102 f 118 v 7 bel 23 etb 39 ' 55 7 71 G 87 W 103 g 119 w 8 bs 24 can 40 ( 56 8 72 H 88 X 104 h 120 x 9 ht 25 em 41 ) 57 9 73 I 89 Y 105 i 121 y 10 nl 26 sub 42 * 58 : 74 J 90 Z 106 j 122 z 11 vt 27 esc 43 + 59 ; 75 K 91 [ 107 k 123 { 12 np 28 fs 44 , 60 < 76 L 92 108 l 124 | 13 cr 29 gs 45 - 61 = 77 M 93 ] 109 m 125 } 14 so 30 rs 46 . 62 > 78 N 94 ^ 110 n 126 ~ 15 si 31 us 47 / 63 ? 79 O 95 _ 111 o 127 del ascii(5)
All times are GMT -4. The time now is 08:09 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy