[英]Reading data from /dev/usb/lp0 linux
I have label printer Wincode LP433 and can print using command我有标签打印机 Wincode LP433,可以使用命令打印
cat file.prn > /dev/usb/lp0
How I can read data from /dev/usb/lp0
?如何从
/dev/usb/lp0
读取数据?
simply call:只需调用:
cat /dev/usb/lp0
that should work if your printer supports bi-directional communication via usb.如果您的打印机支持通过 USB 进行双向通信,那应该可以工作。
Tested with a Zebra label printer this way:以这种方式使用 Zebra 标签打印机进行测试:
$> echo "~HQES" > /dev/usb/lp0 && cat /dev/usb/lp0
PRINTER STATUS
ERRORS: 0 00000000 00000000
WARNINGS: 0 00000000 00000000
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