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      1 #!/bin/perl -w
      2 #
      3 # Cute little builder for perl 
      4 # Total waste of development time...
      5 #
      6 # This will build all the object files and then the archive .a file
      7 # requires GCC, GNU make and a sense of humour.
      8 #
      9 # Tom St Denis
     10 use strict;
     11 
     12 my $count = 0;
     13 my $starttime = time;
     14 my $rate  = 0;
     15 print "Scanning for source files...\n";
     16 foreach my $filename (glob "*.c") {
     17        ++$count;
     18 }
     19 print "Source files to build: $count\nBuilding...\n";
     20 my $i = 0;
     21 my $lines = 0;
     22 my $filesbuilt = 0;
     23 foreach my $filename (glob "*.c") {
     24        printf("Building %3.2f%%, ", (++$i/$count)*100.0);
     25        if ($i % 4 == 0) { print "/, "; }
     26        if ($i % 4 == 1) { print "-, "; }
     27        if ($i % 4 == 2) { print "\\, "; }
     28        if ($i % 4 == 3) { print "|, "; }
     29        if ($rate > 0) {
     30            my $tleft = ($count - $i) / $rate;
     31            my $tsec  = $tleft%60;
     32            my $tmin  = ($tleft/60)%60;
     33            my $thour = ($tleft/3600)%60;
     34            printf("%2d:%02d:%02d left, ", $thour, $tmin, $tsec);
     35        }
     36        my $cnt = ($i/$count)*30.0;
     37        my $x   = 0;
     38        print "[";
     39        for (; $x < $cnt; $x++) { print "#"; }
     40        for (; $x < 30; $x++)   { print " "; }
     41        print "]\r";
     42        my $tmp = $filename;
     43        $tmp =~ s/\.c/".o"/ge;
     44        if (open(SRC, "<$tmp")) {
     45           close SRC;
     46        } else {
     47           !system("make $tmp > /dev/null 2>/dev/null") or die "\nERROR: Failed to make $tmp!!!\n";
     48           open( SRC, "<$filename" ) or die "Couldn't open $filename for reading: $!";
     49           ++$lines while (<SRC>);
     50           close SRC or die "Error closing $filename after reading: $!";
     51           ++$filesbuilt;
     52        }      
     53 
     54        # update timer 
     55        if (time != $starttime) {
     56           my $delay = time - $starttime;
     57           $rate = $i/$delay;
     58        }
     59 }
     60 
     61 # finish building the library 
     62 printf("\nFinished building source (%d seconds, %3.2f files per second).\n", time - $starttime, $rate);
     63 print "Compiled approximately $filesbuilt files and $lines lines of code.\n";
     64 print "Doing final make (building archive...)\n";
     65 !system("make > /dev/null 2>/dev/null") or die "\nERROR: Failed to perform last make command!!!\n";
     66 print "done.\n";