mirror of
https://github.com/octoleo/telegram-bot-bash.git
synced 2024-11-16 04:57:09 +00:00
51 lines
1.4 KiB
Bash
Executable File
51 lines
1.4 KiB
Bash
Executable File
#!/bin/bash
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########################################################################
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#
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# File: calc.sh
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#
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# Description: example for an background job, see mycommands.sh.dist
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#
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# Usage: runback calc example/calc.sh - or run in terminal
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# killback calc - to stop background job
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#
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# This file is public domain in the USA and all free countries.
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# Elsewhere, consider it to be WTFPLv2. (wtfpl.net/txt/copying)
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#
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#### $$VERSION$$ v1.25-dev-14-g2fe6d4b
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########################################################################
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######
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# parameters
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# $1 $2 args as given to starct_proc chat script arg1 arg2
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# $3 path to named pipe/log
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INPUT="${3:-/dev/stdin}"
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# adjust your language setting here
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# https://github.com/topkecleon/telegram-bot-bash#setting-up-your-environment
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export 'LC_ALL=C.UTF-8'
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export 'LANG=C.UTF-8'
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export 'LANGUAGE=C.UTF-8'
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unset IFS
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# set -f # if you are paranoid use set -f to disable globbing
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printf 'Starting Calculator ...\n'
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printf 'Enter first number.\n'
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read -r A <"${INPUT}"
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printf 'Enter second number.\n'
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read -r B <"${INPUT}"
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printf 'Select Operation: mykeyboardstartshere [ "Addition" , "Subtraction" , "Multiplication" , "Division" , "Cancel" ]\n'
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read -r opt <"${INPUT}"
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printf 'Result: '
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case ${opt,,} in
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'a'*) res="$(( A + B ))" ;;
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's'*) res="$(( A - B ))" ;;
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'm'*) res="$(( A * B ))" ;;
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'd'*) res="$(( A / B ))" ;;
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'c'*) res="abort!" ;;
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* ) printf "unknown operator!\n";;
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esac
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printf "%s\nBye ...\n" "${res}"
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