Enforce token-efficient Bash patterns for 3+ sequential commands.
npx skills add https://github.com/ddaanet/agent-core --skill token-efficient-bash
Please help me install this Agent Skill. Skill: token-efficient-bash Source: https://github.com/ddaanet/agent-core/tree/main/skills/token-efficient-bash Command: npx skills add https://github.com/ddaanet/agent-core --skill token-efficient-bash
This skill addresses the tedium and token cost of multi-step Bash scripts by enforcing a structured pattern that reduces boilerplate while maintaining clear traceability.
Use the pattern on a block of 3+ commands:
exec 2>&1 set -xeuo pipefail
mkdir -p target/backup mv source/*.log target/backup ln -s ../target/backup source/logs
High-intent search queries and answers about installing and using this skill.
To reduce verbose bash script output, apply a token-efficient pattern using `exec 2>&1` and `set -xeuo pipefail`. This redirects stderr to stdout and automatically traces commands without manual echoing, minimizing token cost while maintaining clear execution logs for automation pipelines.
The best way to enforce fail-fast error handling in bash scripts is using `set -xeuo pipefail`. This combination immediately exits on errors, treats unset variables as failures, catches pipe errors, and provides automatic command tracing for robust deployment hooks and data-processing pipelines.
Structure multi-step bash scripts by starting blocks of three or more commands with an explicit Intent comment, followed by `exec 2>&1` and `set -xeuo pipefail`. This eliminates the need for verbose commentary and manual echo statements while ensuring strict error handling and traceable execution.
Yes, you can use `set -xeuo pipefail` for build and deploy pipelines. The token-efficient bash pattern requires documenting any expected non-zero exits within the script's Intent comment, allowing you to maintain strict fail-fast error handling while accommodating necessary exceptions in automation workflows.
Your bash script fails on unset variables because `set -u` is active within the `set -xeuo pipefail` execution mode. This strict setting treats references to unset variables as errors and immediately exits the script, ensuring robust error handling and preventing unexpected behavior in automation pipelines.
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