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Data reformatting example / course end tie together
File and Directory Handling example from a Well House Consultants training course
More on File and Directory Handling [link]

This example is described in the following article(s):
   • Tcl - a new example for data reformatting - [link]

Source code: for_qa.tcl Module: T209
# Data reformatting example / course end tie together

# the input format ...
# 30,11,2015 EL 8
# 1,12,2015 EP 8
# 14,12,2015 YL 8

# required format
# Code,StartDate,StartTime,EndDate,EndTime,EventType,ID,MasterID,Location,Language,CoursePrice,EventPrice,Currency,Vendor,Title,Category
# LPFULL,07/09/2015,09:00,11/09/2015,17:00,Standard,1,1,SN12 7NY,En-GB,1350,1350,GBP,Well House,Learning to Program in Perl,Other (IT)Code

# Requirement to reformat our diary into a format required by a course reseller

# command to read data into a list of courses
proc loadDataWH {source tab} {
        upvar $tab table
        set fh [open $source r]
        while {! [eof $fh] } {
                gets $fh lyne
                if {[string length $lyne] < 1} continue ; # eliminate blank lines
                lappend table "$lyne"
        close $fh

# Command to take that list of courses and output it in the required format
proc saveDataQA {destiny tab} {
        upvar $tab table
        set fh [open $destiny w]
        set template {%2sFULL,%02d/%02d/%4d,09:00,%02d/%02d/%4d,17:00,Standard,1,1,SN12 7NY,En-GB,%d,%d,GBP,Well House,%s,Other (IT)}
        puts $fh "Code,StartDate,StartTime,EndDate,EndTime,EventType,ID,MasterID,Location,Language,CoursePrice,EventPrice,Currency,Vendor,Title,Category"

        foreach course $table {
                regexp {(\d+),(\d+),(\d+)\s+(([A-Z])[A-Z])} $course match day month year coursecode language

                set courselength 5
                set courseformat {Learning to Program in %s}
                if {[regexp {P$} $coursecode]} {
                        set courselength 4
                        set courseformat {%s Programming}

                switch $language {
                        E {set lname Perl}
                        H {set lname PHP}
                        U {set lname Lua}
                        R {set lname Ruby}
                        Y {set lname Python}
                        D {set lname C++}
                        T {set lname Tcl}
                        default {set lname Dunno}}

                set descript [format $courseformat $lname]
                set price [expr 100 + $courselength * 250]

                set starts [clock scan "$day,$month,$year 12 00" -format "%d,%m,%Y %H %M"]
                set ends [expr $starts + ($courselength -1) * 3600 * 24]

                set eday [clock format $ends -format %e]
                set emonth [clock format $ends -format %m]
                set eyear [clock format $ends -format %Y]

                set record [format $template $coursecode $day $month $year $eday $emonth $eyear $price $price $descript]
                puts $fh $record
        close $fh

loadDataWH "diary" intoHere
saveDataQA "qa.csv" intoHere
Learn about this subject
This module and example are covered on the following public courses:
 * Learning to program in Tcl
 * Tcl Programming
 * Tcl Programming
Also available on on site courses for larger groups

Books covering this topic
Yes. We have over 700 books in our library. Books covering Tcl, Tk and Expect are listed here and when you've selected a relevant book we'll link you on to Amazon to order.

Other Examples
This example comes from our "File and Directory Handling" training module. You'll find a description of the topic and some other closely related examples on the "File and Directory Handling" module index page.

Full description of the source code
You can learn more about this example on the training courses listed on this page, on which you'll be given a full set of training notes.

Many other training modules are available for download (for limited use) from our download centre under an Open Training Notes License.

Other resources
• Our Solutions centre provides a number of longer technical articles.
• Our Opentalk forum archive provides a question and answer centre.
The Horse's mouth provides a daily tip or thought.
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• All of these resources can be searched through through our search engine
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This is a sample program, class demonstration or answer from a training course. It's main purpose is to provide an after-course service to customers who have attended our public private or on site courses, but the examples are made generally available under conditions described below.

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This web site is written and maintained by Well House Consultants.

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