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Top Forums Shell Programming and Scripting only uppercase first character? Post 302118504 by Shell_Life on Tuesday 22nd of May 2007 11:57:19 AM
Old 05-22-2007
Code:
## Following extract the first initial character only:
sed 's/\(.\).*/\1/' input_file > $$FirstChar

## Following extract from the second character on:
sed 's/.\(.*\)/\1/' input_file > $$OtherChars

## Following changes the first character to upper case:
tr '[a-z]' '[A-Z]' < $$FirstChar > $$UpperChar

## Following paste together the upper case character and
## the other characters:
paste -d'\0' $$UpperChar $$OtherChars

## Following removes temporary files:
rm -f $$*

 

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ISWUPPER(3)						     Linux Programmer's Manual						       ISWUPPER(3)

NAME
iswupper - test for uppercase wide character SYNOPSIS
#include <wctype.h> int iswupper(wint_t wc); DESCRIPTION
The iswupper function is the wide-character equivalent of the isupper function. It tests whether wc is a wide character belonging to the wide character class "upper". The wide character class "upper" is a subclass of the wide character class "alpha", and therefore also a subclass of the wide character class "alnum", of the wide character class "graph" and of the wide character class "print". Being a subclass of the wide character class "print", the wide character class "upper" is disjoint from the wide character class "cntrl". Being a subclass of the wide character class "graph", the wide character class "upper" is disjoint from the wide character class "space" and its subclass "blank". Being a subclass of the wide character class "alnum", the wide character class "upper" is disjoint from the wide character class "punct". Being a subclass of the wide character class "alpha", the wide character class "upper" is disjoint from the wide character class "digit". The wide character class "upper" contains at least those characters wc which are equal to towupper(wc) and different from towlower(wc). The wide character class "upper" always contains at least the letters 'A' to 'Z'. RETURN VALUE
The iswupper function returns non-zero if wc is a wide character belonging to the wide character class "upper". Otherwise it returns zero. CONFORMING TO
ISO/ANSI C, UNIX98 SEE ALSO
isupper(3), iswctype(3), towupper(3) NOTES
The behaviour of iswupper depends on the LC_CTYPE category of the current locale. This function is not very appropriate for dealing with Unicode characters, because Unicode knows about three cases: upper, lower and title case. GNU
1999-07-25 ISWUPPER(3)
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