---
name: "bltdebug"
section: "3"
platform: "linux"
package: "blt-dev"
version: "2.4u-7"
release: "Debian 3.0 (Woody)"
platforms: ["linux"]
url: "https://new.carta.tech/bltdebug"
---

# bltdebug(3)

print Tcl commands before execution

```

```

## NAME

bltdebug - print Tcl commands before execution

## SYNOPSIS

**bltdebug** ?*level*?

```

```

## DESCRIPTION

The **bltdebug** command is a simple tracing facility for Tcl commands. Each command line is printed before it is executed on standard error. The output consists of the command line both before and after substitutions have occurred.  *Level* indicates at what level to stop tracing commands.  If *level* is `0`, no tracing is performed. This is the default.  If no *level* argument is given, the current level is printed.

## KEYWORDS

debug