[https://github.com/dbohdan/sqawk/blob/master/tools/assemble.tcl%|%Assemble] bundles multiple Tcl source code files into a single file. It also works as a [preprocessor] that understands `#define` and `#ifdef`/`#ifndef`. Assemble is developed as part of the [Sqawk] project.

** Use case **

Assemble can be compared to [Perl]'s [http://search.cpan.org/perldoc?App::FatPacker%|%App::FatPacker].

Note that in most cases a [Starpack] is a more robust alternative to an "assembled" script. However, assembled scripts have the following advantages:

   * Over [Starpack%|%Starpacks] (if you already have Tcl installed on the target system): lower startup delays. 
   * Over [Starkit%|%Starkits]: being usable as executable files on [Unix]. Assembled scripts can be run directly and do not require a wrapper shell script or a [Tclkit] with which to run them.

** Example **

The following example comes from Sqawk v0.14.1:

*** Input ***

**** sqawk-dev.tcl ****

======
# ...

#define SQAWK
interp alias {} ::source+ {} ::source
source+ lib/tabulate.tcl
source+ lib/utils.tcl
source+ lib/parsers/awk.tcl
source+ lib/parsers/csv.tcl
source+ lib/serializers/awk.tcl
source+ lib/serializers/csv.tcl
source+ lib/serializers/table.tcl
source+ lib/serializers/tcl.tcl
source+ lib/classes/sqawk.tcl
source+ lib/classes/table.tcl

# ...
======

**** lib/tabulate.tcl ****

======
#! /usr/bin/env tclsh
# Tabulate -- turn standard input into a table.
# ...
        set data $updateData
        dict unset argv FS
    }

    puts [tabulate -data $data {*}$argv]
}

#ifndef SQAWK
# If this is the main script...
if {[info exists argv0] && ([file tail [info script]] eq [file tail $argv0])} {
    ::tabulate::main $argv0 $argv
}
#endif
======

*** Output ***

======
# ...

interp alias {} ::source+ {} ::source

# ============================= lib/tabulate.tcl ===============================
#! /usr/bin/env tclsh
# Tabulate -- turn standard input into a table.
# ...
        set data $updateData
        dict unset argv FS
    }

    puts [tabulate -data $data {*}$argv]
}


# =========================== end lib/tabulate.tcl =============================
# ...
======

** Discussion **

** See also **

   * [Starpack]

<<categories>>Dev. Tools