07-05-2019
In nawk you can get a $() error, so you better cast a[i] to a number: $(a[i]+0)
Now it is portable, but you do not want $(0) (the whole line), you want "n/a".
The following expression does it: (i in a)?$a[i]:"n/a"
Last edited by MadeInGermany; 07-05-2019 at 01:46 PM..
Reason: Expression that gives "n/a"
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LEARN ABOUT SUNOS
wsprintf
wsprintf(3C) Standard C Library Functions wsprintf(3C)
NAME
wsprintf - formatted output conversion
SYNOPSIS
#include <stdio.h>
#include <widec.h>
int wsprintf(wchar_t *s, const char *format, /* arg */ ... ););
DESCRIPTION
The wsprintf() function outputs a Process Code string ending with a Process Code (wchar_t) null character. It is the user's responsibility
to allocate enough space for this wchar_t string.
This returns the number of Process Code characters (excluding the null terminator) that have been written. The conversion specifications
and behavior of wsprintf() are the same as the regular sprintf(3C) function except that the result is a Process Code string for wsprintf(),
and on Extended Unix Code (EUC) character string for sprintf().
RETURN VALUES
Upon successful completion, wsprintf() returns the number of characters printed. Otherwise, a negative value is returned.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
|MT-Level |MT-Safe |
+-----------------------------+-----------------------------+
SEE ALSO
wsscanf(3C), printf(3C), scanf(3C), sprintf(3C), attributes(5)
SunOS 5.10 29 Dec 1996 wsprintf(3C)