rename
Verified for current stable LTS
Rename Command: Change File Extension
Use for change file extension with Rename. Exact CLI syntax to change file extension using Rename.
When to use this: Use for change file extension with Rename.
Command Syntax
rename 's/\.<old>$/\.<new>/' <*.txt>rename 's//.<old>$//.<new>/' <*.txt>Command Breakdown
rename is the base executable for this command.
FAQ
Purpose: Exact syntax to change file extension using Rename.
Test path: Replace placeholders and run destructive commands in a disposable workspace first.
Flag behavior: Tool version, platform, and shell can change behavior.
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Related Operations
Rename Command: Capitalize First Letter Of Words
rename -f 's/\b(\w)/\U$1/g' <*.txt> Rename Command: Convert Filenames To Lowercase rename -f 'y/A-Z/a-z/' <*.txt> Rename Command: Dry Run Rename Files rename -n 's/<from>/<to>/' <*.txt> Rename Command: Rename Files With Regex rename 's/<from>/<to>/' <*.txt> Rename Command: Replace Spaces With Underscores rename 's/\s+/_/g' <*.txt>