如果在终端中需要快速看出输出文本的行数

可以使用的操作目前已知有

1、nl命令

# 使用管道处理输出
$ ll | nl
     1  total 5692
     2  -rw-r--r--  1 Administrator 197121   18763 Dec 21  2023 LICENSE.txt
     3  -rw-r--r--  1 Administrator 197121  250342 Aug 21  2023 ReleaseNotes.html
     4  drwxr-xr-x  1 Administrator 197121       0 Aug 23  2023 bin/
     5  drwxr-xr-x  1 Administrator 197121       0 Aug 23  2023 cmd/
     6  drwxr-xr-x  1 Administrator 197121       0 Aug 23  2023 dev/
     7  drwxr-xr-x  1 Administrator 197121       0 Aug 23  2023 etc/
     8  -rwxr-xr-x  1 Administrator 197121  137224 Aug 21  2023 git-bash.exe*
     9  -rwxr-xr-x  1 Administrator 197121  136696 Aug 21  2023 git-cmd.exe*
    10  drwxr-xr-x  1 Administrator 197121       0 Aug 23  2023 mingw64/
    11  dr-xr-xr-x 10 Administrator 197121       0 Jul  9 16:03 proc/
    12  drwxr-xr-x  1 Administrator 197121       0 Jul  9 16:02 tmp/
    13  -rw-r--r--  1 Administrator 197121 1274744 Aug 23  2023 unins000.dat
    14  -rwxr-xr-x  1 Administrator 197121 3215208 Aug 23  2023 unins000.exe*
    15  -rw-r--r--  1 Administrator 197121   24183 Aug 23  2023 unins000.msg
    16  drwxr-xr-x  1 Administrator 197121       0 Aug 23  2023 usr/

# 使用文件输出
$ ls -la | grep .wslconfig
-rw-r--r-- 1 Administrator 197121      1334 Apr 26 17:19 .wslconfig

$ nl .wslconfig
     1  # Settings apply across all Linux distros running on WSL 2
     2  [wsl2]
     3
     4  # Limits VM memory to use no more than 4 GB, this can be set as whole numbers using GB or MB
     5  memory=4GB
     6
     7  # Sets the VM to use two virtual processors
     8  processors=2
     9
    10  # Specify a custom Linux kernel to use with your installed distros. The default kernel used can be found at https://github.com/microsoft/WSL2-Linux-Kernel
    11  ; kernel=C:\\temp\\myCustomKernel
    12
    13  # Sets additional kernel parameters, in this case enabling older Linux base images such as Centos 6
    14  kernelCommandLine = vsyscall=emulate
    15
    16  # Sets amount of swap storage space to 8GB, default is 25% of available RAM
    17  swap=8GB
    18
    19  # Sets swapfile path location, default is %USERPROFILE%\AppData\Local\Temp\swap.vhdx
    20  swapfile=G:\\docker_desktop\\swap\\wsl-swap.vhdx
    21
    22  # Disable page reporting so WSL retains all allocated memory claimed from Windows and releases none back when free
    23  pageReporting=false
    24
    25  # Turn on default connection to bind WSL 2 localhost to Windows localhost. Setting is ignored when networkingMode=mirrored
    26  localhostforwarding=true
    27
    28  # Disables nested virtualization
    29  nestedVirtualization=false
    30
    31  # Turns on output console showing contents of dmesg when opening a WSL 2 distro for debugging
    32  debugConsole=true
    33
    34  # Enable experimental features
    35  [experimental]
    36  sparseVhd=true

2、使用cat -n 命令

$ cat -n .wslconfig
     1  # Settings apply across all Linux distros running on WSL 2
     2  [wsl2]
     3
     4  # Limits VM memory to use no more than 4 GB, this can be set as whole numbers using GB or MB
     5  memory=4GB
     6
     7  # Sets the VM to use two virtual processors
     8  processors=2
     9
    10  # Specify a custom Linux kernel to use with your installed distros. The default kernel used can be found at https://github.com/microsoft/WSL2-Linux-Kernel
    11  ; kernel=C:\\temp\\myCustomKernel
    12
    13  # Sets additional kernel parameters, in this case enabling older Linux base images such as Centos 6
    14  kernelCommandLine = vsyscall=emulate
    15
    16  # Sets amount of swap storage space to 8GB, default is 25% of available RAM
    17  swap=8GB
    18
    19  # Sets swapfile path location, default is %USERPROFILE%\AppData\Local\Temp\swap.vhdx
    20  swapfile=G:\\docker_desktop\\swap\\wsl-swap.vhdx
    21
    22  # Disable page reporting so WSL retains all allocated memory claimed from Windows and releases none back when free
    23  pageReporting=false
    24
    25  # Turn on default connection to bind WSL 2 localhost to Windows localhost. Setting is ignored when networkingMode=mirrored
    26  localhostforwarding=true
    27
    28  # Disables nested virtualization
    29  nestedVirtualization=false
    30
    31  # Turns on output console showing contents of dmesg when opening a WSL 2 distro for debugging
    32  debugConsole=true
    33
    34  # Enable experimental features
    35  [experimental]
    36  sparseVhd=true

此外 nl 还有 -b a/t/n 选项可用

注意不同操作系统文本中换行符对-b的影响哦

$ nl -b t -n ln .wslconfig
1       # Settings apply across all Linux distros running on WSL 2
2       [wsl2]

3       # Limits VM memory to use no more than 4 GB, this can be set as whole numbers using GB or MB
4       memory=4GB

5       # Sets the VM to use two virtual processors
6       processors=2

7       # Specify a custom Linux kernel to use with your installed distros. The default kernel used can be found at https://github.com/microsoft/WSL2-Linux-Kernel
8       ; kernel=C:\\temp\\myCustomKernel

9       # Sets additional kernel parameters, in this case enabling older Linux base images such as Centos 6
10      kernelCommandLine = vsyscall=emulate

11      # Sets amount of swap storage space to 8GB, default is 25% of available RAM
12      swap=8GB

13      # Sets swapfile path location, default is %USERPROFILE%\AppData\Local\Temp\swap.vhdx
14      swapfile=G:\\docker_desktop\\swap\\wsl-swap.vhdx

15      # Disable page reporting so WSL retains all allocated memory claimed from Windows and releases none back when free
16      pageReporting=false

17      # Turn on default connection to bind WSL 2 localhost to Windows localhost. Setting is ignored when networkingMode=mirrored
18      localhostforwarding=true

19      # Disables nested virtualization
20      nestedVirtualization=false

21      # Turns on output console showing contents of dmesg when opening a WSL 2 distro for debugging
22      debugConsole=true

23      # Enable experimental features
24      [experimental]
25      sparseVhd=true