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Change first letter of a word from lower case to upper case

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Top Forums Shell Programming and Scripting Change first letter of a word from lower case to upper case
# 8  
Old 10-20-2013
Alternative, taking into account not just new lines but paragraphs (if a paragraph separator is defined as an empty line) and also considering punctuation only at the end of words:
Code:
awk     '!NF || NR==1   {P=1}
                        {for (i=1; i<=NF; i++)  {if (P) $i=toupper(substr($i,1,1)) substr($i,2)
                                                 P = $i ~ /[.;:!?]$/
                                                }
                        }
         1
        ' file

This User Gave Thanks to RudiC For This Post:
georgi58
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LEARN ABOUT NETBSD

tolower

TOLOWER(3)						   BSD Library Functions Manual 						TOLOWER(3)

NAME

     tolower -- upper case to lower case letter conversion

LIBRARY

     Standard C Library (libc, -lc)

SYNOPSIS

     #include <ctype.h>

     int
     tolower(int c);

DESCRIPTION

     The tolower() function converts an upper-case letter to the corresponding lower-case letter.

RETURN VALUES

     If the argument is an upper-case letter, the tolower() function returns the corresponding lower-case letter if there is one; otherwise the
     argument is returned unchanged.

SEE ALSO

     ctype(3), isalnum(3), isalpha(3), isascii(3), iscntrl(3), isdigit(3), isgraph(3), islower(3), isprint(3), ispunct(3), isspace(3), isupper(3),
     isxdigit(3), stdio(3), toascii(3), toupper(3), ascii(7)

STANDARDS

     The tolower() function conforms to ANSI X3.159-1989 (``ANSI C89'').

CAVEATS

     The argument to tolower() must be EOF or representable as an unsigned char; otherwise, the behavior is undefined.	See the CAVEATS section of
     ctype(3) for more details.

BSD
								  April 17, 2008							       BSD