error_one_per_line - Linux
Overview
error_one_per_line is a command-line utility that outputs a list of files with one error or warning per line. This helps in quickly identifying and addressing errors in large codebases.
Syntax
error_one_per_line [options] <command>
Options/Flags
--limit <num>
: Maximum number of errors or warnings to display per file (default: 10).--ignore-unused-variables
: Ignore warnings about unused variables.--ignore-empty-blocks
: Ignore warnings about empty blocks.--show-filenames
: Display the file names in the output.--show-lines
: Display the line numbers in the output.
Examples
Simple usage:
error_one_per_line make
Finding specific error messages:
error_one_per_line grep 'Error: syntax error' make
Limiting output to 5 errors per file:
error_one_per_line --limit 5 make
Common Issues
No errors or warnings found:
- Check if the command is correct.
- Ensure that the command is run in the correct directory.
Too many errors or warnings:
- Use the
--limit
option to reduce the number of errors displayed. - Consider narrowing the search using grep or other filtering mechanisms.
Integration
With grep:
error_one_per_line | grep 'syntax error'
With xargs:
error_one_per_line | xargs -n 1 -r vim
Related Commands
- grep: Search for specific patterns in files.
- sed: Perform text editing operations.
- awk: Extract and format data from files.