Go / List Packages Json
List Packages Json
Outputs specified Go packages and their metadata in JSON format.
go list -json time net/http go list -json time net/http #!/bin/bash
# List Packages Json
go list -json time net/http import subprocess
# List Packages Json
# Make sure to replace <placeholders> with actual values
def run_command():
cmd = [
"go",
"list",
"-json",
"time",
"net/http"
]
try:
print(f"Executing: {' '.join(cmd)}")
subprocess.run(cmd, check=True)
except subprocess.CalledProcessError as e:
print(f"Error: {e}")
except FileNotFoundError:
print("Error: go not found. Please install it first.")
if __name__ == "__main__":
run_command() When To Use
For automated tools or scripts that require package dependency information in machine-readable format.
Pro Tip
Use ` -e` option to ensure that undefined dependencies don’t halt your script.
Anatomy of Output
Understanding the result
{"Path":"time","Version":"v0.0.0-20230822143036-cace12345678","Dir":"/usr/local/go/pkg/mod/time@v0.0.0-20230822143036-cace12345678"} JSON Output Describes the package path, version, and directory.
Power User Variants
Optimized versions
go list -json all Outputs all package data in JSON format.
go list -json ./... Lists all local packages in the current module.
Troubleshooting
Common pitfalls
go: no such package: time
Solution: Check that the package name is correct or that it exists.
invalid JSON format
Solution: Ensure the command syntax and flags are correct.
go: cannot find module providing package net/http
Solution: Make sure to have Go modules enabled for the specific version.
Command Breakdown
What each part is doing
-
go - Base Command
- The executable that performs this operation. Here it runs Go before the shell applies any redirect operators.
-
-json - Command Option
- Tool-specific option used by this command invocation.
Alternative Approaches
Comparable commands in other tools
Alternative programming tools for the same job.
adb -s <serial_number> install <path/to/file>.apk Adb / Grant App Permission adb shell pm grant <package> <android.permission.CAMERA|android.permission.ACCESS_FINE_LOCATION|android.permission.READ_CONTACTS|...> Adb / Clear Application Data Adb adb shell pm clear <package> Dotnet / Package Dotnet Application Single File dotnet publish -r <runtime_identifier> -p:PublishSingleFile=true <path/to/project_file> Adb / Revoke App Permission adb shell pm revoke <package> <android.permission.CAMERA|android.permission.ACCESS_FINE_LOCATION|android.permission.READ_CONTACTS|...>