10-17-2011
making the first character of word to uppercase using awk and sed
I want to make the first character of some words to be uppercase. I have a file like the one below.
uid,givenname,sn,cn,mail,telephonenumber
mattj,matt,johnson,matt johnson,mattj@gmail.com
markv,mark,vennet,matt s vennet,markv@gmail.com
mikea,mike,austi,mike austin,mike@gmail.com
I want to make the 2nd,3rd and 4th fields to start with upper case. Second entry has a middle initial which has to made an uppercase too. Entries from the second row should be modified till the end of the file for all the entries. What would be the easiest way to do this. expected result is.
uid,givenname,sn,cn,mail,telephonenumber
mattj,Matt,Johnson,Matt Johnson,mattj@gmail.com
markv,Mark,Vennet,Matt S Vennet,markv@gmail.com
mikea,Mike,Austi,Mike Austin,mike@gmail.com
Thanks
Matt
Last edited by matt12; 10-17-2011 at 10:14 AM..
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LEARN ABOUT OPENDARWIN
towupper
TOWUPPER(3) Linux Programmer's Manual TOWUPPER(3)
NAME
towupper, towupper_l - convert a wide character to uppercase
SYNOPSIS
#include <wctype.h>
wint_t towupper(wint_t wc);
wint_t towupper_l(wint_t wc, locale_t locale);
Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
towupper_l():
Since glibc 2.10:
_XOPEN_SOURCE >= 700
Before glibc 2.10:
_GNU_SOURCE
DESCRIPTION
The towupper() function is the wide-character equivalent of the toupper(3) function. If wc is a lowercase wide character, and there exists
an uppercase equivalent in the current locale, it returns the uppercase equivalent of wc. In all other cases, wc is returned unchanged.
The towupper_l() function performs the same task, but performs the conversion based on the character type information in the locale speci-
fied by locale. The behavior of towupper_l() is undefined if locale is the special locale object LC_GLOBAL_LOCALE (see duplocale(3)) or is
not a valid locale object handle.
The argument wc must be representable as a wchar_t and be a valid character in the locale or be the value WEOF.
RETURN VALUE
If wc was convertible to uppercase, towupper() returns its uppercase equivalent; otherwise it returns wc.
VERSIONS
The towupper_l() function first appeared in glibc 2.3.
ATTRIBUTES
For an explanation of the terms used in this section, see attributes(7).
+-------------+---------------+----------------+
|Interface | Attribute | Value |
+-------------+---------------+----------------+
|towupper() | Thread safety | MT-Safe locale |
+-------------+---------------+----------------+
|towupper_l() | Thread safety | MT-Safe |
+-------------+---------------+----------------+
CONFORMING TO
towupper(): C99, POSIX.1-2001 (XSI); present as an XSI extension in POSIX.1-2008, but marked obsolete.
towupper_l(): POSIX.1-2008.
NOTES
The behavior of these functions depends on the LC_CTYPE category of the locale.
These functions are not very appropriate for dealing with Unicode characters, because Unicode knows about three cases: upper, lower and
title case.
SEE ALSO
iswupper(3), towctrans(3), towlower(3), locale(7)
COLOPHON
This page is part of release 4.15 of the Linux man-pages project. A description of the project, information about reporting bugs, and the
latest version of this page, can be found at https://www.kernel.org/doc/man-pages/.
GNU
2017-09-15 TOWUPPER(3)