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Top Forums Shell Programming and Scripting Array not printing values if used in a loop Post 303017190 by arcoleman10 on Thursday 10th of May 2018 11:52:11 AM
Old 05-10-2018
Array not printing values if used in a loop

Hello!

I'm making an English to Morse Code translator and I was able to mostly get it all working by looking through older posts here; however, I have one small problem.

When I run it it's just printing spaces for where the characters should be. It runs the right amount of times, and if I try to individually print out of the array it works, but when I try to have it cycle through to translate I get the problem.

What I am running/output:
Code:
[acolem26@ats-cis project8]$ ./morse "a b c"
 SP  SP  EOT

My code:
Code:
#!/bash/bin

declare -A code
code[A]=".-"
code[B]="-..."
code[C]="-.-."
code[D]="-.."
code[E]="."
code[F]="..-."
code[G]="--."
code[H]="...."
code[I]=".."
code[J]=".---"
code[K]="-.-"
code[L]=".-.."
code[M]="--"
code[N]="-."
code[O]="---"
code[P]=".--."
code[Q]="--.-"
code[R]=".-."
code[S]="..."
code[T]="-"
code[U]="..-"
code[V]="...-"
code[W]=".--"
code[X]="-..-"
code[Y]="-.--"
code[Z]="--.."
code[1]=".----"
code[2]="..---"
code[3]="...--"
code[4]="....-"
code[5]="....."
code[6]="-...."
code[7]="--..."
code[8]="---.."
code[9]="----."
code[0]="-----"
code[ ]="SP"

str=$1

for (( i=0; $i < ${#str}; i++ ));
do
     printf "%s " "${code[${str:$i:1}]}"
done
printf "%s\n" EOT

If I do something like

Code:
printf "%s " "${code[A]}"

It prints off the corresponding Morse code so I assume the issue isn't with the array but with how I am substituting and I'm not sure how to fix it.
 

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xdemorse(1)						      General Commands Manual						       xdemorse(1)

NAME
xdemorse - GTK+ Morse Code Decoding Software SYNOPSIS
xdemorse [ -v | -h | -l ] DESCRIPTION
This manual page documents briefly the xdemorse command. xdemorse(1) is a X/GTK+ application for decoding Morse code signals into text. xdemorse(1) detects the "dihs" and "dahs" that make a Morse code character via the computer's sound card, which can be connected to a radio receiver tuned to a CW Morse code transmission or to a tone generator. The input signal is processed by a Goertzel tone detector algorithm which produces "mark" or "space" (signal/no signal) outputs and the resulting stream of Morse code "elements" is decoded into an ASCII character for printing to the Text viewer. OPTIONS
-h print a short help message -v print xdemorse(1) version -l list mixer device names and exit SEE ALSO
/usr/share/doc/xdemorse/xdemorse.html The full documentation for xdemorse. AUTHORS
xdemorse is Copyright (C) 2001 Neoklis Kyriazis This manual page was written by Francois Wendling <frwendling@free.fr> for the Debian GNU/Linux system (but may be used by others), with informations taken from the xdemorse(1) HTML documentation. 2010-11-13 xdemorse(1)
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