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Top Forums Shell Programming and Scripting delete all characters that aren't a letter or number Post 302591863 by lewisdenny on Saturday 21st of January 2012 07:40:06 AM
Old 01-21-2012
MySQL delete all characters that aren't a letter or number

hey Smilie

if i have a variable that is

example=lewisdenny(copywrite symbol)

so its not a nomal letter but a symbol, how can i remove everything in the varible that isnt letter or number thanks Smilie

and as a side little question do you know how to remove .zip from a file like if i

Code:
ls /temp
test.zip

how can i remove the .zip and set it as a varable like this?
Code:
example=$(ls /temp | grep (command to remove .zip)

thanks
 

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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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