change filenames to Proper case


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In straight shell
Code:
filename=abc.txt
typeset -u first=$(expr substr $filename 1 1)
mv $filename $first$(expr substr $filename 2 ${#filename})

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Test Your Knowledge in Computers #599
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For modern C programming, defining functions is a two step process. First, you declare a function and its signature using a prototype. Then you define the function by providing a function body that defines what the function does.
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Tcl_UtfToUpper(3)					      Tcl Library Procedures						 Tcl_UtfToUpper(3)

__________________________________________________________________________________________________________________________________________________

NAME
Tcl_UniCharToUpper, Tcl_UniCharToLower, Tcl_UniCharToTitle, Tcl_UtfToUpper, Tcl_UtfToLower, Tcl_UtfToTitle - routines for manipulating the case of Unicode characters and UTF-8 strings SYNOPSIS
#include <tcl.h> Tcl_UniChar Tcl_UniCharToUpper(ch) Tcl_UniChar Tcl_UniCharToLower(ch) Tcl_UniChar Tcl_UniCharToTitle(ch) int Tcl_UtfToUpper(str) int Tcl_UtfToLower(str) int Tcl_UtfToTitle(str) ARGUMENTS
int ch (in) The Tcl_UniChar to be converted. char *str (in/out) Pointer to UTF-8 string to be converted in place. _________________________________________________________________ DESCRIPTION
The first three routines convert the case of individual Unicode characters: If ch represents a lower-case character, Tcl_UniCharToUpper returns the corresponding upper-case character. If no upper-case character is defined, it returns the character unchanged. If ch represents an upper-case character, Tcl_UniCharToLower returns the corresponding lower-case character. If no lower-case character is defined, it returns the character unchanged. If ch represents a lower-case character, Tcl_UniCharToTitle returns the corresponding title-case character. If no title-case character is defined, it returns the corresponding upper-case character. If no upper-case character is defined, it returns the character unchanged. Title-case is defined for a small number of characters that have a different appearance when they are at the beginning of a capitalized word. The next three routines convert the case of UTF-8 strings in place in memory: Tcl_UtfToUpper changes every UTF-8 character in str to upper-case. Because changing the case of a character may change its size, the byte offset of each character in the resulting string may differ from its original location. Tcl_UtfToUpper writes a null byte at the end of the converted string. Tcl_UtfToUpper returns the new length of the string in bytes. This new length is guaranteed to be no longer than the original string length. Tcl_UtfToLower is the same as Tcl_UtfToUpper except it turns each character in the string into its lower-case equivalent. Tcl_UtfToTitle is the same as Tcl_UtfToUpper except it turns the first character in the string into its title-case equivalent and all fol- lowing characters into their lower-case equivalents. BUGS
At this time, the case conversions are only defined for the ISO8859-1 characters. Unicode characters above 0x00ff are not modified by these routines. KEYWORDS
utf, unicode, toupper, tolower, totitle, case Tcl 8.1 Tcl_UtfToUpper(3)

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