claude-code - 💡(How to fix) Fix [Bug] Infinite loop in zsh sed script generation during code synthesis [1 comments, 2 participants]

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anthropics/claude-code#52394Fetched 2026-04-24 06:08:21
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Code Example

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Bug Description infinite loop of logical bug during zsh sed scripting. The only solution was 'you should start making the script from sratch'.

Environment Info

  • Platform: darwin
  • Terminal: iTerm.app
  • Version: 2.1.108
  • Feedback ID: 4b14150b-82f0-4245-a70d-fc2c2dc51819

Errors

[]

diff --git a/.ztranscript b/.ztranscript index 8ca351f..9d1034f 100644 --- a/.ztranscript +++ b/.ztranscript @@ -24,30 +24,16 @@ echo "--- $0 ---"

whisper-ko-fix() {

  • if [[ $# -eq 0 ]]; then
  • echo "Usage: whisper-ko-fix <file> [file ...]"
  • return 1
  • fi
  • local file tmp checksum_before checksum_after
  • ${file:h} = dirname, ${file:t} = basename — native zsh path modifiers, no subshell, no xtrace noise.

  • [[ $# -eq 0 ]] && { echo "Usage: whisper-ko-fix <file> [file ...]"; return 1; }
  • local file tmp sum1 sum2 for file in "$@"; do
  • if [[ ! -f "$file" ]]; then
  •  echo "whisper-ko-fix: file not found: $file"
  •  continue
  • fi
  • Skip numbered duplicates (e.g. "transcript 2.txt") — garbage created by prior bugs.

  • if [[ "$(basename "$file")" =~ ' [0-9]+.txt$' ]]; then
  •  echo "whisper-ko-fix: skipping numbered duplicate: $file"
  •  continue
  • fi
  • Temp file lives in the same dir as $file → mv is an atomic same-dir rename,

  • never a cross-directory copy that can trigger iCloud/Finder conflict numbering.

  • local file_dir
  • file_dir=$(dirname "$file")
  • if ! tmp=$(mktemp "${file_dir}/.wkf_XXXXXX" 2>/dev/null); then
  •  echo "whisper-ko-fix: mktemp failed in dir: $file_dir — skipping: $file"
  •  continue
  • fi
  • checksum_before=$(md5 -q "$file")
  • [[ ! -f "$file" ]] && { echo "whisper-ko-fix: not found: $file"; continue; }
  • Skip macOS copy-numbered duplicates (single digit 2–9 only; year suffixes like " 26.txt" are 2-digit — safe).

  • [[ ${file:t} =~ ' [2-9].txt$' ]] && continue
  • Temp file in same dir → atomic same-dir rename, never cross-device copy that triggers iCloud conflict numbering.

  • tmp=$(mktemp "${file:h}/.wkf_XXXXXX" 2>/dev/null) || { echo "whisper-ko-fix: mktemp failed: $file"; continue; }
  • sum1=$(md5 -q "$file") LC_ALL=C sed -E
    -e 's/각스탈/각시탈/g'
    -e 's/감첨/감청/g'
    @@ -87,7 +73,7 @@ whisper-ko-fix() { -e 's/일거소통/일거소탕/g'
    -e 's/일루미테이트/Illuminati/g'
    -e 's/자금만까지/자금망까지/g' \
  •  -e 's/자금주/자금줄/' \
  •  -e 's/자금주/자금줄/g' \
     -e 's/자파/좌파/g' \
     -e 's/(장동역|장동영)/장동혁/g' \
     -e 's/전보전/정보전/g' \

@@ -114,9 +100,9 @@ whisper-ko-fix() { -e 's/호성구/고성국/g'
-e 's/화이트[[:space:]]?앳/white hat/g'
-e '/ANE inference operation failed.*EvaluateANERequest/d' \

  •  "$file" > "$tmp" && mv "$tmp" "$file" || { rm -f "$tmp"; echo "whisper-ko-fix: FAILED (sed or mv) — tmp=$tmp file=$file"; }
  • checksum_after=$(md5 -q "$file")
  • [[ "$checksum_before" != "$checksum_after" ]] && echo "✓ modified: $file"
  •  "$file" > "$tmp" && mv "$tmp" "$file" || { rm -f "$tmp"; echo "whisper-ko-fix: FAILED: $file"; continue; }
  • sum2=$(md5 -q "$file")
  • [[ $sum1 != $sum2 ]] && echo "✓ $file" done }
  • My Verdict: Claude-Code could not fully understand the macOS's automatic file creation esp. when there is pre-existing files with the same name.

extent analysis

TL;DR

The infinite loop issue in the zsh sed scripting may be caused by the script's handling of file modifications and temporary files, and a potential solution is to review and refine the script's logic for handling file operations.

Guidance

  • Review the whisper-ko-fix function to ensure that it correctly handles file modifications and temporary files, particularly in cases where files with the same name already exist.
  • Verify that the mktemp command is correctly generating unique temporary file names to avoid conflicts with existing files.
  • Consider adding additional error handling and logging to help diagnose issues with file operations, such as the mv command failing to rename the temporary file.
  • Check the script's logic for skipping numbered duplicates to ensure it is correctly identifying and handling these cases.

Example

No specific code example is provided, as the issue is related to the overall script logic and file handling.

Notes

The issue may be related to the script's interaction with the macOS file system and its automatic file creation behavior, particularly when dealing with pre-existing files with the same name. Further investigation and testing may be necessary to fully resolve the issue.

Recommendation

Apply a workaround by reviewing and refining the script's logic for handling file operations, and consider adding additional error handling and logging to help diagnose issues. This approach is recommended because it allows for a more targeted and controlled fix, rather than attempting to rewrite the script from scratch.

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