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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]
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
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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.
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