if
Verified for current stable LTS
If Command: Check If File Exists
Use for check if file exists with If. Exact CLI syntax to check if file exists using If.
When to use this: Use for check if file exists with If.
Destructive Command Warning
Destructive operation. Confirm the target path and keep a backup before executing.
Command Syntax
if [[ -f <path/to/file> ]]; then <echo "Condition is true">; fiif [[ -f <path/to/file> ]]; then <echo "Condition is true">; fiCommand Breakdown
-f- Command Option
- Tool-specific option used by this command invocation.
FAQ
Purpose: Exact syntax to check if file exists using If.
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
If Command: Check If Directory Exists
if [[ -d <path/to/directory> ]]; then <echo "Condition is true">; fi If Command: Check If File Or Directory Exists if [[ -e <path/to/file_or_directory> ]]; then <echo "Condition is true">; fi If Command: Check If Variable Is Defined if [[ -n "$<variable>" ]]; then <echo "Condition is true">; fi If Command: Execute Commands Based On Condition True Or False if <condition_command>; then <echo "Condition is true">; else <echo "Condition is false">; fi If Command: Execute Commands If Condition Is False if ! <condition_command>; then <echo "Condition is true">; fi