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Top Forums UNIX for Advanced & Expert Users how to add new options in bash script Post 302606184 by aphryllyn1 on Friday 9th of March 2012 07:26:18 PM
Old 03-09-2012
how to add new options in bash script

what i want to be is that i would like to reinvent new options that have the same functionality as
...
-u is the same functionality of conv=ucase
and -l have the same functionality as conv=lcase...

is there a way that i can put these in my script so that
whenever i will typed in command line such as
Code:
dd if=file of=file.new -u

so that the file contents will become upper case ... Please need help....
Moderator's Comments:
Mod Comment please use code tags

Last edited by jim mcnamara; 03-09-2012 at 11:26 PM..
 

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conv(3C)																  conv(3C)

NAME
toupper(), tolower(), _toupper(), _tolower(), toascii() - translate characters SYNOPSIS
DESCRIPTION
and have as domain the range of getc(3S): the integers from -1 through 255. If the argument of represents a lower-case letter, the result is the corresponding upper-case letter. If the argument of represents an upper-case letter, the result is the corresponding lower-case letter. All other arguments in the domain are returned unchanged. Arguments outside the domain cause undefined results. The macros and are identical to and respectively. yields its argument with all bits that are not part of a standard 7-bit ASCII character cleared; it is intended for compatibility with other systems. WARNINGS
is supplied both as a library function and as a macro defined in the header. Normally, the macro version is used. To obtain the library function, either use a to remove the macro definition or, if compiling in ANSI C mode, enclose the function name in parenthesis or take its address. The following examples use the library function for or The following example use the library function for EXTERNAL INFLUENCES
Locale The category determines the translations to be done. International Code Set Support Single-byte character code sets are supported. AUTHOR
was developed by IBM, OSF, and HP. SEE ALSO
ctype(3C), getc(3S), setlocale(3C), lang(5), thread_safety(5). STANDARDS CONFORMANCE
conv(3C)
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