Claude Code Bug: Large Integer Display Error in Bash Output
By
rrwright
A snack-sized bagel for a snack-sized appetite.
Summary
Claude Code has a bug where it incorrectly displays large integers in bash command output, showing values that are off by 1 compared to what's actually output by the commands. The article demonstrates this with specific examples using echo and jq commands, showing that while native terminals display the correct value (348555896224571969), Claude Code shows 348555896224571970. The issue is reproducible in Claude Code version v2.0.37 with Sonnet 4.5 model.
Key quotes
· 4 pulledClaude Code incorrectly displays large integers in bash command output, showing a different value than what was actually output by the command.
Expected Behavior: Claude Code should display: 348555896224571969
Actual Behavior: Claude Code displays: 348555896224571970 (off by 1)
Running the same command in a native terminal correctly outputs: 348555896224571969
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