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Full Discussion: Alphabetical help.
Homework and Emergencies Homework & Coursework Questions Alphabetical help. Post 302548795 by Ren_kun on Friday 19th of August 2011 09:56:27 AM
Old 08-19-2011
sorry i fail to see where you used your parenthesis to make a comparison.

EDIT: If i think you did what i think you did then i probably did do it. If you check out the new code i made.

Code:
"3")
clear
echo Enter capitol alphabetical letters one at a time and press 0 to finish
letter="Z"
if [[ "$letter" < Z || "$letter" == Z ]] && [[ "$letter" > A || "$letter" == A ]
]; then
        while [[ "$letter" == Z || "$letter" < Z ]] && [[ "$letter" > A || "$let
ter" == A ]] && [[ "$letter" != 0 ]]; do
        read letter2
                if [[ $letter2 < $letter ]]; then
                letter=letter2
                else
                break
                fi
        break
        done
elif [ "$letter2" == 0 ]; then
echo Lowest letter is $letter
else
echo "Invalid input. Please enter A-Z (capital) one at a time finalised by a 0"
fi
;;

 

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base64

BASE64(1)							   User Commands							 BASE64(1)

NAME

       base64 - base64 encode/decode data and print to standard output

SYNOPSIS

       base64 [OPTION]... [FILE]

DESCRIPTION

       Base64 encode or decode FILE, or standard input, to standard output.

       -w, --wrap=COLS
	      Wrap encoded lines after COLS character (default 76).  Use 0 to disable line wrapping.

       -d, --decode
	      Decode data.

       -i, --ignore-garbage
	      When decoding, ignore non-alphabet characters.

       --help Display this help and exit.

       --version
	      Output version information and exit.

       With no FILE, or when FILE is -, read standard input.

       The  data  are  encoded as described for the base64 alphabet in RFC 3548.  When decoding, the input may contain newlines in addition to the
       bytes of the formal base64 alphabet.  Use --ignore-garbage to attempt to recover from any other non-alphabet bytes in the encoded stream.

AUTHOR

       Written by Simon Josefsson.

REPORTING BUGS

       Report base64 bugs to bug-coreutils@gnu.org
       GNU coreutils home page: <http://www.gnu.org/software/coreutils/>
       General help using GNU software: <http://www.gnu.org/gethelp/>

COPYRIGHT

       Copyright (C) 2009 Free Software Foundation, Inc.  License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
       This is free software: you are free to change and redistribute it.  There is NO WARRANTY, to the extent permitted by law.

SEE ALSO

       The full documentation for base64 is maintained as a Texinfo manual.  If the info and base64 programs are properly installed at your  site,
       the command

	      info coreutils 'base64 invocation'

       should give you access to the complete manual.

GNU coreutils 7.1						     July 2010								 BASE64(1)
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