Delete matching lines in bulk
Remove every log line that contains DEBUG or any other repeated pattern.
sed '/DEBUG/d' app.logDescribe the text change. Get the sed command.
A desktop-style AI workspace for common text operations like replace, filter, delete, and bulk rewrites. Safe by default: it only returns structured commands.
Structured output that is easy to copy and explain further.
Command
sed 's/8080/80/g'macOS file command
Uses the built-in macOS sed and edits the file in place.
sed -i '' 's/8080/80/g' path/to/file.txtLinux file command
Uses GNU sed and edits the file in place.
sed -i 's/8080/80/g' path/to/file.txtExplanation
Input preview
https://api.example.com/v1/api/users
proxy_pass /v1/api;Output preview
server 127.0.0.1:80;
proxy_pass http://localhost:80;Replace ports in bulk
ReplaceReplace every 8080 in a config with 80.
sed 's/8080/80/g'Delete empty lines
CleanupRemove blank and whitespace-only lines.
sed '/^\s*$/d'Keep matching lines
FilterKeep only log lines that contain error.
sed -n '/error/p'Delete matching lines
FilterRemove log lines that contain DEBUG.
sed '/DEBUG/d'Remove leading comment markers
RewriteRemove the leading # and following spaces from each line.
sed 's/^#\s*//'Replace domain names
ReplaceReplace an old domain with a new one in bulk.
sed 's/old\.example\.com/new.example.com/g'Current plan
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AskSed is designed for practical command-line tasks such as deleting matching lines in bulk, editing repeated line patterns, cleaning logs, and rewriting config files.
Delete matching lines in bulk, remove DEBUG logs, clean empty lines, or strip unwanted config entries.
Edit matching lines in bulk, rewrite prefixes, replace domains, and update repeated config values safely.
Generate sed commands for search-and-replace, keep matching lines, and create portable examples for macOS and Linux.
Use these examples as landing content for searchers who need real sed workflows such as batch line delete, batch line edit, replace, and cleanup.
Remove every log line that contains DEBUG or any other repeated pattern.
sed '/DEBUG/d' app.logClean text files by removing empty and whitespace-only lines.
sed '/^\s*$/d' notes.txtRewrite repeated prefixes, comments, or config fragments across a file.
sed 's/^#\s*//g' config.envReplace repeated ports, domains, or URLs with one portable command.
sed 's/8080/80/g' nginx.confAnswers to common questions from developers searching for batch line delete, batch line edit, and sed replace workflows.
Yes. AskSed can generate sed commands that delete matching lines in bulk, such as removing DEBUG logs, empty lines, or repeated config entries.
Yes. You can describe a repeated line edit in natural language and AskSed returns a copyable sed command for rewriting prefixes, comments, domains, ports, and other repeated patterns.
Yes. AskSed returns a base sed command plus file-edit variants for macOS and Linux so you can apply changes with the correct native syntax.
Yes. AskSed focuses on explainable command output and preview-friendly examples so you can validate the change before applying it to a real file.