mirror of https://dicksdeathabove.xyz/~mia/morsh
78 lines
2.2 KiB
Bash
Executable File
78 lines
2.2 KiB
Bash
Executable File
#!/bin/sh
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# .. / ..-. . . .-.. / .. -. / .-.. --- ...- . / .-- .. - .... / .... . .-. / .-- .-. .. - .. -. --. / - .... .. ...
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# shellcheck disable=SC2086,SC1083,SC2154
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# SC2086 - required for IFS replacement
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# SC1083 - required for eval
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# SC2154 - eval sets $cur
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IFS=""; LANG=C
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# index's
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index="A:B:C:D:E:F:G:H:I:J:K:L:M:N:O:P:Q:R:S:T:U:V:W:X:Y:Z:1:2:3:4:5:6:7:8:9:0: " # 36 items
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indexl="a:b:c:d:e:f:g:h:i:j:k:l:m:n:o:p:q:r:s:t:u:v:w:x:y:z:1:2:3:4:5:6:7:8:9:0: " # lowercase index for ascii
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exb=".-:-...:-.-.:-..:.:..-.:--.:....:..:.---:-.-:.-..:--:-.:---:.--.:--.-:.-.:...:-:..-:...-:.--:-..-:-.--:--..:.----:..---:...--:....-:.....:-....:--...:---..:----.:-----:/"
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ma() {
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eval letter=\${$#}
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eval cur=\${$letter}; [ "$cur" = 37 ] && cur=" " # IFS=": " causes #37 in $index to be lost
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printf '%s' "${cur}"
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}
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am() {
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IFS=""
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eval letter=\${$#};
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[ $letter -gt 37 ] && : $((letter-=37))
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eval cur=\${$letter}; printf '%s ' "$cur"
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}
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unset bang; line=1; while read -r p || [ -n "$p" ]; do
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p=${p# }; p=${p% }
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[ "$line" -eq 1 -o "$bang" ] 2>/dev/null && { # start comment check # this is basically a shitpost lol
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case "$p" in
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'#'!*) bang=" ";;
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'#'?-*|'#'?.*) p="${p#\#}"; printf '%sl: %s\n# ' "${bang# }" "${line}"
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bang='
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' # big hack to add newlines to start if >1
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n1="0"; IFS=": "; for i in ${p}; do
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for ii in $exb; do
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: $((n1+=1));
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case "$ii" in
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"$i") ma ${indexl} "$n1"
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esac
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done
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n1=0
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done ;;
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esac # this only converts morse
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[ "$bang" ] && p="?"
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}
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case "$p" in
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"") echo ;; # skip empty lines
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-*|.*)
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# for morse to ascii
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n1="0"; IFS=": "; for i in ${p}; do
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for ii in $exb; do
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: $((n1+=1));
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case "$ii" in
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"$i") ma ${indexl} "$n1"
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esac
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done
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n1=0
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done ;;
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*)
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# ascii to morse
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while [ "$p" ]; do
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next="${p#?}"; # ${p%$next} is the current letter
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IFS=":"; na="0"; for ai in ${index} ${indexl}; do
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# echo $ai
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: $((na+=1))
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case "${p%$next}" in
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"$ai") am $exb $na; break;;
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esac
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done
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na=0
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p="$next"
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done
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;;
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esac
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: $((line+=1))
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done # stdin read; fuck you
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echo
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