[86022.030544] usb 4-2: new SuperSpeed USB device number 2 using xhci_hcd [86032.041106] usb 4-2: New USB device strings: Mfr=2, Product=3, SerialNumber=1
[86032.041110] usb 4-2: Product
Jul 9 09:09:56 me kernel: [ 2740.896079] usb 4-2: new full-speed USB device number 4 using uhci_hcdJul 9 09:09:57 me kernel: [ 2741.080112] usb 4-2: New USB device found, idVendor=046d, idProduct=c52fJul 9 09:09:57 me kernel: [ 2741.080118] usb 4-2: New USB device strin
.[147333.530241] usb 4-2: new SuperSpeed] usb 4-2: Product: VLI Product String
[147333.554422] usb 4-2: Manufacturer: VLI manufacture String[147333.554426] usb 4-2: SerialNumber: 00000000
USB3.0 -蓝色/5 SW/SWBus 004 Device 005: ID 054c:09c2 Sony Corp.[ 241.322233] usb 4-2: new SuperSpeed USB device number 4 using xhci_hcd[ 241.435830] usb 4-2: New US
我目前有一个类似于此的数据文件:1 A1 0 0 3 A1 4 8 5 A2 3 3 我想编写一个脚本,它只在"ID“匹配的情况下才能从上一行计算"(8-4)/(4-2)”。例如,在第3行中的列"C“的输出中,如果"ID”列中的A1 == A1,则(8-4)/(4-2) = 2,如果A1 != A1,则输出为0。我希望产出是这样的:
R ID A B C