utils/html_include.awk at master · gcallah/utils · GitHub

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#!/usr/bin/awk -f
# this file preprocesses HTML files to put in includes

BEGIN {
    # Need to set these variables in ENV
    template_path = ENVIRON["TEMPLATE_DIR"]
    quiz_path = ENVIRON["QUIZ_DIR"]
}

/<html>/ {
    print "<html>"
    print "<!-- THIS FILE WAS GENERATED BY A SCRIPT: DO NOT EDIT IT! -->"
    next
}

/<!-- *include/ {
    file = $2

    # file has a forward slash in it, leave it alone:
    if(!match($2, /\//)) {
    # if file starts with 'quiz' use quiz_path not template_path
        if (quiz_path != "" && match($2, /quiz/)) {
            file = quiz_path "/" $2
        }
        else if (template_path != "") {
            file = template_path "/" $2
        }
    }
    i = 0
    while((getline < file ) > 0 ) {
    	print $0
        i++
    }
    close(file)
    if (i == 0) {
        s = "<p>We attempted to read from " file " but failed.</p>"
        print s > "/dev/stderr"
        print s
    }
    next
}

{ print }