我需要一个脚本,将日志文件转换为易于查看的.html文件,可由“任何人”访问。
这是我到目前为止所做的:
#!/bin/bash
## The purpose of this script is to create .html files from log files, with the ability to optionally GREP for certain strings
if [ "$2" == "" ];
then
echo "Usage : $0 [Source Log file] [Output HTML file] [String to grep (if applicable)]"
exit 255
fi;
LOGFILE=$1
OUTPUTFILE=$2
GREPSTRING=$3
if [ "$3" == "" ];
then
echo "Cat'ing $LOGFILE to $OUTPUTFILE"
LOGCONTENTS=`cat $LOGFILE`
else
echo "Grep'ing for $GREPSTRING in $LOGFILE"
LOGCONTENTS=`grep --color $GREPSTRING $LOGFILE | sed -e "s/^.*$/&1\n/"`
fi;
# Below is the html heading which will be appended to the final .html file
HEADING="<html><body><h1>Log output for: $LOGFILE</h1>"
# Below is the end of the html file
END="</body></html>"
# Below all the prepared variables are stitched together to the OUTPUT/LOG FILE
echo $HEADING > $OUTPUTFILE
echo $LOGCONTENTS >> $OUTPUTFILE
echo $END >> $OUTPUTFILE
# For debugging, enable the lines below
echo $LOGCONTENTS
echo "Done preparing $OUTPUTFILE"
我的问题是输出,无论我玩CAT,GREP,SED等多少,都不会保留换行符。在执行正常的tail -f或cat时,输出文件看起来或多或少都是必不可少的。
答案 0 :(得分:4)
不是将事物复制到变量中(然后错误地引用它们),而是重要的重构。
#!/bin/sh
exec >"$2"
cat <<HERE
<html><body><h1>Log output for: $1</h1>
<pre>
HERE
grep "${3:-^}" "$1"
echo '</pre></body></html>'
因为HTML无论如何都无法显示终端颜色代码,所以我拿出了--color
选项。如果你有一个合适的过滤器来翻译HTML颜色标签,那么一定要把它扔进去。
另请注意,如果您不提供第三个命令行参数,则正则表达式将默认为匹配所有行的正则表达式。
许多浏览器会将单独的开放<pre>
标记渲染为一条没有吸引力的空行,但修复它并不是必需的。如果困扰你,请将其分解为单独的echo -n '<pre>'
。
答案 1 :(得分:2)
由于您要使用HTML,因此需要将换行符(使用sed
或其他)替换为HTML换行符<br/>
。 HTML通常以自由流动的文本忽略CR / LF字符。
所以你可以使用sed
,如下所示。我删除了1
,因为没有解释他们的目的,但是如果你需要,你可以把它们放回去。
if [ "$3" == "" ];
then
echo "Cat'ing $LOGFILE to $OUTPUTFILE"
LOGCONTENTS=`sed -e "s/^.*$/&<br\/>/" $LOGFILE`
else
echo "Grep'ing for $GREPSTRING in $LOGFILE"
LOGCONTENTS=`grep --color $GREPSTRING $LOGFILE | sed -e "s/^.*$/&<br\/>/"`
fi;
答案 2 :(得分:0)
公共类Log4jHTMLlayout扩展HTMLLayout {
protected final int BUF_SIZE = 256;
protected final int MAX_CAPACITY = 1024;
static String TRACE_PREFIX =“
”;
private StringBuffer sbuf = new StringBuffer(BUF_SIZE);
public static final String LOCATION_INFO_OPTION =“LocationInfo”;
public String format(LoggingEvent event) {
if (sbuf.capacity() > MAX_CAPACITY) {
sbuf = new StringBuffer(BUF_SIZE);
} else {
sbuf.setLength(0);
}
sbuf.append(Layout.LINE_SEP + "<tr>" + Layout.LINE_SEP);
sbuf.append("<td>");
Calendar cal=Calendar.getInstance();
//sbuf.append(event.timeStamp - LoggingEvent.getStartTime());
Timestamp stmp=new Timestamp(cal.getTimeInMillis());
sbuf.append(stmp.toString());
sbuf.append("</td>" + Layout.LINE_SEP);
String escapedThread = Transform.escapeTags(event.getThreadName());
sbuf.append("<td title=\"" + escapedThread + " thread\">");
sbuf.append(escapedThread);
sbuf.append("</td>" + Layout.LINE_SEP);
sbuf.append("<td title=\"Level\">");
if (event.getLevel().equals(Level.DEBUG)) {
sbuf.append("<font color=\"#339933\">");
sbuf.append(Transform.escapeTags(String.valueOf(event.getLevel())));
sbuf.append("</font>");
} else if (event.getLevel().isGreaterOrEqual(Level.WARN)) {
sbuf.append("<font color=\"#993300\"><strong>");
sbuf.append(Transform.escapeTags(String.valueOf(event.getLevel())));
sbuf.append("</strong></font>");
} else {
sbuf.append(Transform.escapeTags(String.valueOf(event.getLevel())));
}
sbuf.append("</td>" + Layout.LINE_SEP);
String escapedLogger = Transform.escapeTags(event.getLoggerName());
sbuf.append("<td title=\"" + escapedLogger + " category\">");
sbuf.append(escapedLogger);
sbuf.append("</td>" + Layout.LINE_SEP);
if (getLocationInfo()) {
LocationInfo locInfo = event.getLocationInformation();
sbuf.append("<td>");
sbuf.append(Transform.escapeTags(locInfo.getFileName()));
sbuf.append(':');
sbuf.append(locInfo.getLineNumber());
sbuf.append("</td>" + Layout.LINE_SEP);
}
sbuf.append("<td title=\"Message\">");
sbuf.append(Transform.escapeTags(event.getRenderedMessage()));
sbuf.append("</td>" + Layout.LINE_SEP);
sbuf.append("</tr>" + Layout.LINE_SEP);
if (event.getNDC() != null) {
sbuf.append("<tr><td bgcolor=\"#EEEEEE\" style=\"font-size : xx-small;\" colspan=\"6\" title=\"Nested Diagnostic Context\">");
sbuf.append("NDC: " + Transform.escapeTags(event.getNDC()));
sbuf.append("</td></tr>" + Layout.LINE_SEP);
}
String[] s = event.getThrowableStrRep();
if (s != null) {
sbuf.append("<tr><td bgcolor=\"#993300\" style=\"color:White; font-size : xx-small;\" colspan=\"6\">");
appendThrowableAsHTML(s, sbuf,true);
sbuf.append("</td></tr>" + Layout.LINE_SEP);
}
return sbuf.toString();
}
public void appendThrowableAsHTML(String[] s, StringBuffer sbuf,boolean isAppend) {
if(s != null) {
int len = s.length;
if(len == 0)
return;
sbuf.append(Transform.escapeTags(s[0]));
sbuf.append(Layout.LINE_SEP);
for(int i = 1; i < len; i++) {
sbuf.append(TRACE_PREFIX);
sbuf.append(Transform.escapeTags(s[i]));
sbuf.append(Layout.LINE_SEP);
}
}
}
public String getHeader() {
StringBuffer sbuf = new StringBuffer();
sbuf.append("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">" + Layout.LINE_SEP);
sbuf.append("<html>" + Layout.LINE_SEP);
sbuf.append("<head>" + Layout.LINE_SEP);
sbuf.append("<title>" + getTitle() + "</title>" + Layout.LINE_SEP);
sbuf.append("<style type=\"text/css\">" + Layout.LINE_SEP);
sbuf.append("<!--" + Layout.LINE_SEP);
sbuf.append("body, table {font-family: arial,sans-serif; font-size: x-small;}" + Layout.LINE_SEP);
sbuf.append("th {background: #336699; color: #FFFFFF; text-align: left;}" + Layout.LINE_SEP);
sbuf.append("-->" + Layout.LINE_SEP);
sbuf.append("</style>" + Layout.LINE_SEP);
sbuf.append("</head>" + Layout.LINE_SEP);
sbuf.append("<body bgcolor=\"#FFFFFF\" topmargin=\"6\" leftmargin=\"6\">" + Layout.LINE_SEP);
sbuf.append("<hr size=\"1\" noshade>" + Layout.LINE_SEP);
sbuf.append("Log session start time " + new java.util.Date() + "<br>" + Layout.LINE_SEP);
sbuf.append("<br>" + Layout.LINE_SEP);
sbuf.append("<table cellspacing=\"0\" cellpadding=\"4\" border=\"1\" bordercolor=\"#224466\" width=\"100%\">" + Layout.LINE_SEP);
sbuf.append("<tr>" + Layout.LINE_SEP);
sbuf.append("<th>Time</th>" + Layout.LINE_SEP);
sbuf.append("<th>Thread</th>" + Layout.LINE_SEP);
sbuf.append("<th>Level</th>" + Layout.LINE_SEP);
sbuf.append("<th>Category</th>" + Layout.LINE_SEP);
if (getLocationInfo()) {
sbuf.append("<th>File:Line</th>" + Layout.LINE_SEP);
}
sbuf.append("<th>Message</th>" + Layout.LINE_SEP);
sbuf.append("</tr>" + Layout.LINE_SEP);
return sbuf.toString();
}
} 强文
答案 3 :(得分:0)