cap_iab_compare - Linux
Overview
cap_iab_compare is a command-line tool designed to compare the capabilities between two or more applications. It examines the capabilities that each application possesses and identifies differences between them.
Syntax
cap_iab_compare [options] app1 app2 [app3 ...]
Options/Flags
- -h, –help: Display help and usage information.
- -v, –verbose: Enable verbose output, providing detailed information about the comparison.
- -o, –output-file: Specify an output file for the results. Default: stdout
- -d, –show-details: Show detailed information for each capability.
- -e, –exclude-builtin: Exclude builtin capabilities from the comparison.
Examples
Simple Comparison:
Compare the capabilities of applications "example1" and "example2":
cap_iab_compare example1 example2
Verbose Output:
Enable verbose output to see detailed information about the comparison:
cap_iab_compare -v example1 example2
Output to File:
Save the results to a file named "result.txt":
cap_iab_compare -o result.txt example1 example2 example3
Exclude Builtin Capabilities:
Ignore builtin capabilities from the comparison:
cap_iab_compare -e example1 example2
Common Issues
- Missing capabilities: Ensure that the applications being compared are installed and have the necessary capabilities granted.
- Invalid arguments: Verify that the provided application names are correct.
- No differences found: If no differences are reported, it may indicate that the applications have the same capabilities.
Integration
Combining with other tools:
- grep: Filter comparison results by specific capabilities:
cap_iab_compare example1 example2 | grep "CAP_SYS_ADMIN"
- awk: Parse results for specific fields:
cap_iab_compare example1 example2 | awk '{print $1, $3}'
Related Commands
- capabilities: Displays capabilities of a running process.
- bash: Shell scripting language.
- sed: Stream editor for text manipulation.