expr
Verified for current stable LTS
Expr Command: Get Substring By Length
Use for get substring by length with Expr. Exact CLI syntax to get substring by length using Expr.
When to use this: Use for get substring by length with Expr.
Command Syntax
expr substr "<string>" <from> <length>expr substr "<string>" <from> <length>Command Breakdown
expr is the base executable for this command.
FAQ
Purpose: Exact syntax to get substring by length using Expr.
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
Expr Command: Calculate Mathematical Expression
expr <expression1> <+|-|*|/|%> <expression2> Expr Command: Get First Char Position In String expr index "<string>" "<chars>" Expr Command: Get First Expression If Both Non Zero expr <expression1> \& <expression2> Expr Command: Get First Expression If Non Zero expr <expression1> \| <expression2> Expr Command: Get First Non Zero Expression expr <expression1> \| <expression2>