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Full Discussion: Shell Script - Alphabet in code
Top Forums UNIX for Beginners Questions & Answers Shell Script - Alphabet in code Post 303042015 by Pinguino on Wednesday 11th of December 2019 09:41:38 AM
Old 12-11-2019
Shell Script - Alphabet in code
Hi e
Hi everyone, I can't make this script work,
Code:
#! /bin/bash declare -A crypt=(     ['@_banana']="A"     ['99_melon']="a"     ['AZ_GRAPE']="B"     ['!!_stars']="b"     ['81_xxxxxx']="C"     ['computer']="c"     ['111_space']=' '     ['life_9900']='!' )  encode () {     local word=$1     for ((i=0; i<${#word}; ++i)) ; do         local char=${word:$i:1}         printf %s' ' ${crypt[$char]}     done     printf '\n' }  declare -A decrypt for char in "${!crypt[@]}" ; do     key=${crypt[$char]}     decrypt[$key]=$char done  decode () {     local word=$1     while [[ $word ]] ; do         local code         for code in "${!decrypt[@]}"; do             if [[ $word == "$code"* ]] ; then                 printf %s "${decrypt[$code]}"                 word=${word#"$code"}             fi         done     done     printf '\n' }  encode '@_banana!!_starscomputerlife_9900'


Code:
Output:


I can't make the output work



should work like this


Code:
encode '@_banana!!_starscomputerlife_9900'



Code:
Output: Abc!




wanted it to work to decode the output
 

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LEARN ABOUT SUNOS

shells

shells(4)							   File Formats 							 shells(4)

NAME

       shells - shell database

SYNOPSIS

       /etc/shells

DESCRIPTION

       The shells file contains a list of the shells on the system. Applications use this file to determine whether a shell is valid. See getuser-
       shell(3C). For each shell a single line should be present, consisting of the shell's path, relative to root.

       A hash mark (#) indicates the beginning of a comment; subsequent characters up to the end of the line are not interpreted by  the  routines
       which search the file. Blank lines are also ignored.

       The  following  default	shells are used by utilities: /bin/bash, /bin/csh, /bin/jsh, /bin/ksh, /bin/pfcsh, /bin/pfksh, /bin/pfsh, /bin/sh,
       /bin/tcsh,  /bin/zsh,  /sbin/jsh,  /sbin/sh,  /usr/bin/bash,  /usr/bin/csh,  /usr/bin/jsh,  /usr/bin/ksh,  /usr/bin/pfcsh,  /usr/bin/pfksh,
       /usr/bin/pfsh, and /usr/bin/sh, /usr/bin/tcsh, /usr/bin/zsh. Note that /etc/shells overrides the default list.

       Invalid shells in /etc/shells may cause unexpected behavior (such as being unable to log in by way of ftp(1)).

FILES

       /etc/shells	       lists shells on system

SEE ALSO

       vipw(1B), ftpd(1M), sendmail(1M), getusershell(3C), aliases(4)

SunOS 5.10							    4 Jun 2001								 shells(4)
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