Bash Client for Critical Review

.critical-stats-enrollment.xslt

<?xml version="1.0"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
  <xsl:output method="text"/>
  <xsl:template match="/other-reviews">
    <xsl:for-each select="review-header">
      <xsl:value-of select="@edition"/>
      <xsl:text> </xsl:text>
      <xsl:value-of select="enrollment"/>
      <xsl:text>&#xA;</xsl:text>
    </xsl:for-each>
  </xsl:template>
</xsl:stylesheet>

critical-stats.sh

function critical-stats() {
  # Usage:
  # $ critical-stats CSCI 1730
  curl -s "http://www.thecriticalreview.org/$1/$2"                          \
    | xmllint --format                                                    - \
    | tee >( xmllint --xpath /cr/view/review                              - \
            | tee >( xmllint --xpath '/review/title/text()'               - \
                    | xargs -0 printf 'Title:\t\t%s\n'                    ) \
                  >( xmllint --xpath '/review/crn/text()'                 - \
                    | xargs -0 printf 'CRN:\t\t%s\n'                      ) \
                  >( xmllint --xpath 'string(/review/@edition)'           - \
                    | xargs -0 printf 'Last Edition:\t%s\n'               ) \
                  >( xmllint --xpath '/review/tally/minhours_mean/text()' - \
                    | xargs -0 printf 'Avg (hr/week):\t%s\n'              ) \
                  >( xmllint --xpath '/review/tally/maxhours_mean/text()' - \
                    | xargs -0 printf 'Max (hr/week):\t%s\n'              ) \
            > /dev/null | cat                                             ) \
          >( xmllint --xpath /cr/view/other-reviews                       - \
            | xsltproc .critical-stats-enrollment.xslt                    - \
            | sort                                          \
            | gnuplot -p -e                                                 \
                "set terminal dumb $(tput cols),$(expr $(tput lines) / 2 );
                 set style data histogram;
                 set yrange [0:*] reverse;
                 p '<cat' title '' with lines"                              \
            ; printf "Enrollment:\n" )                                      \
          > /dev/null | tac                                      
}