Finding Files with keywords

% grep "yourString" * | awk '{ if($1!=filename){ filename=$1; print $filename}}'
10000CSCO.txt: <xsl:with-param name="vars" select="yourString"/>
10000ELMR.txt: <xsl:with-param name="vars" select="yourString"/>
10000GLSW.txt: <xsl:with-param name="vars" select="yourString"/>
10000IN04.txt: <xsl:with-param name="vars" select="yourString"/>
10000ISAG.txt: <xsl:with-param name="vars" select="yourString"/>
10000KNG1.txt: <xsl:with-param name="vars" select="yourString"/>
10000KNGT.txt: <xsl:with-param name="vars" select="yourString"/>
10000NETF.txt: <xsl:with-param name="vars" select="yourString"/>
10000NGMK.txt: <xsl:with-param name="vars" select="yourString"/>
10000REPI.txt: <xsl:with-param name="vars" select="yourString"/>
10000SATL.txt: <xsl:with-param name="vars" select="yourString"/>
10000SMRT.txt: <xsl:with-param name="vars" select="yourString"/>
10000VINM.txt: <xsl:with-param name="vars" select="yourString"/>
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