TOUPPER(3) Linux Programmer's Manual TOUPPER(3)NAME
toupper, tolower - convert letter to upper or lower case
SYNOPSIS
#include <ctype.h>
int toupper(int c);
int tolower(int c);
DESCRIPTION
toupper() converts the letter c to upper case, if possible.
tolower() converts the letter c to lower case, if possible.
If c is not an unsigned char value, or EOF, the behavior of these functions is undefined.
RETURN VALUE
The value returned is that of the converted letter, or c if the conversion was not possible.
CONFORMING TO
C89, C99, 4.3BSD.
BUGS
The details of what constitutes an uppercase or lowercase letter depend on the current locale. For example, the default "C" locale does
not know about umlauts, so no conversion is done for them.
In some non-English locales, there are lowercase letters with no corresponding uppercase equivalent; the German sharp s is one example.
SEE ALSO isalpha(3), setlocale(3), towlower(3), towupper(3), locale(7)COLOPHON
This page is part of release 3.25 of the Linux man-pages project. A description of the project, and information about reporting bugs, can
be found at http://www.kernel.org/doc/man-pages/.
GNU 1993-04-04 TOUPPER(3)
Check Out this Related Man Page
TOUPPER(3) Linux Programmer's Manual TOUPPER(3)NAME
toupper, tolower - convert letter to upper or lower case
SYNOPSIS
#include <ctype.h>
int toupper(int c);
int tolower(int c);
DESCRIPTION
toupper() converts the letter c to upper case, if possible.
tolower() converts the letter c to lower case, if possible.
If c is not an unsigned char value, or EOF, the behavior of these functions is undefined.
RETURN VALUE
The value returned is that of the converted letter, or c if the conversion was not possible.
CONFORMING TO
C89, C99, 4.3BSD.
BUGS
The details of what constitutes an uppercase or lowercase letter depend on the current locale. For example, the default "C" locale does
not know about umlauts, so no conversion is done for them.
In some non-English locales, there are lowercase letters with no corresponding uppercase equivalent; the German sharp s is one example.
SEE ALSO isalpha(3), setlocale(3), towlower(3), towupper(3), locale(7)COLOPHON
This page is part of release 3.53 of the Linux man-pages project. A description of the project, and information about reporting bugs, can
be found at http://www.kernel.org/doc/man-pages/.
GNU 1993-04-04 TOUPPER(3)
It will only accept one argument where it should be upper or lowercase. if user choose to convert filnames to upper case than it should convert to upper or vice versa. if no action taken by the user then should not do anything
any of the files in the current directory. (5 Replies)
Hello experts,
can you kindly tell me how I can look for a file in unix whose name may contain upper or lowercase letters? E.g. If I know the file contains the name netcool but unsure if its NETCOOL or netcool?
Thanks :) (3 Replies)
Using STDIN, how can I use perl to take an input string, with all lower case letters in the first five characters, and convert them to uppercase...
then take all uppercase letters in the second five characters and convert them to lowercase.
Example:
MichaelSmith to michaELSMIth
Thank you! (2 Replies)
hi,
if i have a string of letters and seperatly i have a single letter. how do i check whether that specific letter is in my string aswell? any ideas? (2 Replies)
Hi,
I want to convert the first letter of this word from lowecase to uppercase.
Assume a letter united. I want to translate to United
Please let me know a simple way to do that.
Thanks. (22 Replies)
Hi people,
i have a nice problem to solve..
in an text page i must change all the "*.php" occourences to the respective lowercase..
Example:
...
<tr><td>
<form action="outputEstrazione.php" method="get">
<table cellspacing='0,5' bgcolor='#000000'><tr><td>
<font size='2'... (5 Replies)
Hi,
I have a string of letters that are upper and lower case. I would like to replace all the lowercase letters with N. Also, there are only 4 letters, so it may be easier to replace each lower case letter with N. Either way, I do not know know to do this.
Example line
... (6 Replies)
Hello Unix Gurus :
It would be really great if a solution can be found
Following is the condition on Solaris
Change all the records to upper case
ignore the case for records having "A2B2 " in them .
how can i use nawk or any other command
Following is the SAMPLE
INPUT... (6 Replies)
Hi to all in forum,
I'm trying to convert the letter number between 1 (A) and 26 (Z), that part is working, my issue is how to assign the printf output to a variable:LetterNumber=10
printf "\x$(printf %x $((${LetterNumber}+64)))"
$ J
#The problem, how to assign printf output (J in this... (8 Replies)
Hello Guys,
I am writing a script which check each line for how many Uppercase and Lowercase letter of a given file. Please check my script as follow:
l=0
while read line
do
echo Line `expr $l + 1` has ` tr -cd "" < $line | wc -c` uppercase letters and
`tr -cd "" < $line | wc -c`... (3 Replies)
Hi
I would like to read if the first letter of a line in a first file (gauche.txt) is uppercase or lowercase, and change consequently the first letter of the corresponding line in the second file (droiteInit.txt).
I have done this but it won't work (I launch this using gawk -f... (16 Replies)
The title pretty much defines the problem. I have text files that are all in caps. I would like to convert them to lowercase, but have the first letter of the first word in each sentence in uppercase.
I already have SED on the server for fixing / tweaking text files, but I'm open to other... (5 Replies)
Hi,
im able to search for string in a file (ex: grep -w "$a" input.txt). but i have to search for the uppercase of a string in a file where upper case of the file content matches something like below.
where upper("$a")== converted to upper case string in (input.txt)
can someone please provide... (5 Replies)
Hi,
I need to convert the hostname to uppercase and attach it to a string.
eg: $hostname output mymac
Final output should be Production.MYMAC (3 Replies)