Does this remove the line when $2 is found to have been a duplicate?
---------- Post updated at 05:19 PM ---------- Previous update was at 05:17 PM ----------
Quote:
Originally Posted by Don Cragun
Your thread title says you are trying to find duplicates in the 1st field; your code prints lines in which the 2nd field on the line has been seen before. Note that it prints duplicates; it does not remove duplicates.
And, since there are no lines in your sample input where the 1st field is duplicated on any other line, I have no idea what you are trying to do. What additional logic are you talking about? What output are you hoping to produce from this sample input?
Thank you for the suggestion.
I tried to change the title but that doesn't seem to be an option once the submission is made...
---------- Post updated at 05:19 PM ---------- Previous update was at 05:19 PM ----------
Quote:
Originally Posted by Don Cragun
Your thread title says you are trying to find duplicates in the 1st field; your code prints lines in which the 2nd field on the line has been seen before. Note that it prints duplicates; it does not remove duplicates.
And, since there are no lines in your sample input where the 1st field is duplicated on any other line, I have no idea what you are trying to do. What additional logic are you talking about? What output are you hoping to produce from this sample input?
Thank you for the suggestion.
I tried to change the title but that doesn't seem to be an option once the submission is made...
Hello experts,
I have a requirement where I have to implement two checks on a csv file:
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Dear folks
I have a map file of around 54K lines and some of the values in the second column have the same value and I want to find them and delete all of the same values. I looked over duplicate commands but my case is not to keep one of the duplicate values. I want to remove all of the same... (4 Replies)
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Hi Experts,
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Discussion started by: as7951
7 Replies
LEARN ABOUT OPENSOLARIS
wsncasecmp
wstring(3C) Standard C Library Functions wstring(3C)NAME
wstring, wscasecmp, wsncasecmp, wsdup, wscol - Process Code string operations
SYNOPSIS
#include <widec.h>
int wscasecmp(const wchar_t *s1, const wchar_t *s2);
int wsncasecmp(const wchar_t *s1, const wchar_t *s2, int n);
wchar_t *wsdup(const wchar_t *s);
int wscol(const wchar_t *s);
DESCRIPTION
These functions operate on Process Code strings terminated by wchar_t null characters. During appending or copying, these routines do not
check for an overflow condition of the receiving string. In the following, s, s1, and s2 point to Process Code strings terminated by a
wchar_t null.
wscasecmp(), wsncasecmp()
The wscasecmp() function compares its arguments, ignoring case, and returns an integer greater than, equal to, or less than 0, depending
upon whether s1 is lexicographically greater than, equal to, or less than s2. It makes the same comparison but compares at most n Process
Code characters. The four Extended Unix Code (EUC) codesets are ordered from lowest to highest as 0, 2, 3, 1 when characters from different
codesets are compared.
wsdup()
The wsdup() function returns a pointer to a new Process Code string, which is a duplicate of the string pointed to by s. The space for the
new string is obtained using malloc(3C). If the new string cannot be created, a null pointer is returned.
wscol()
The wscol() function returns the screen display width (in columns) of the Process Code string s.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------------------------------------+
|ATTRIBUTE TYPE ATTRIBUTE VALUE |
|MT-Level MT-Safe |
+-----------------------------------------------------------+
SEE ALSO malloc(3C), string(3C), wcstring(3C), attributes(5)SunOS 5.11 29 Dec 1996 wstring(3C)