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22 lines
408 B
22 lines
408 B
1 year ago
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#!/bin/bash
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set -e
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dev=/dev/usb/lp0
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text="$1"
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size="$(printf '%s' "$text" | wc -c)"
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size="$(expr "$size" + 3)"
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size="$(printf '%04x' "$size" | sed -e 's/\(..\)\(..\)/\\x\2\\x\1/g')"
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# Store data
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printf '\x1D(k' > $dev
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printf "$size" > $dev
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printf '\x31\x50\x30' > $dev
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printf '%s' "$text" > $dev
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# Print data
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printf '\x1D(k' > $dev
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printf '\x03\0\x31\x51\x30' > $dev
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# Cut paper
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printf '\x1DVA\0' > $dev
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