blocks|key|1085420|text|${OUPUT_RESULTS}中指定的路径是否包含任何空格字符？如果是这样，您可能需要考虑使用...+>>+"${OUPUT_RESULTS}"+(使用引号)。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1085421|(您可能还想考虑将变量重命名为${OUTPUT_RESULTS})|1085422|entityMap^0|1C|P|0|F|H|0^^$0|@$1|2|3|4|5|6|7|J|8|@$9|K|A|L|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|M|8|@$9|N|A|O|B|C]]|D|@]|E|$]]|$1|H|3|-4|5|6|7|P|8|@]|D|@]|E|$]]]|I|$]]

Does the path specified in ${OUPUT_RESULTS} contain any whitespace characters? If so, you may want to consider using <code>... &gt;&gt; "${OUPUT_RESULTS}"</code> (using quotes).

(You may also want to consider renaming your variable to <code>${OUTPUT_RESULTS}</code>)

blocks|key|1300616|text|用引号括起你的变量。如果它碰巧有空格，它也会给你“歧义重定向”。还要检查你的拼写|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1300617|echo+$AAAA"+++++"$DDDD"+++++++++"$MOL_TAG++>>++"${OUPUT_RESULTS}"|code-block|syntax|javascript|1300618|例如不明确的重定向|1300619|$+var="file+with+spaces"
$+echo+$AAAA"+++++"$DDDD"+++++++++"$MOL_TAG+>>+${var}
bash:+${var}:+ambiguous+redirect
$+echo+$AAAA"+++++"$DDDD"+++++++++"$MOL_TAG+>>+"${var}"
$+cat+file\+with\+spaces
aaaa+++++dddd+++++++++mol_tag|1300620|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|N|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|O|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|K|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|L|$]]

put quotes around your variable. If it happens to have spaces, it will give you "ambiguous redirect" as well. also check your spelling

<pre><code>echo $AAAA" "$DDDD" "$MOL_TAG &gt;&gt; "${OUPUT_RESULTS}"
</code></pre>

eg of ambiguous redirect

<pre><code>$ var="file with spaces"
$ echo $AAAA" "$DDDD" "$MOL_TAG &gt;&gt; ${var}
bash: ${var}: ambiguous redirect
$ echo $AAAA" "$DDDD" "$MOL_TAG &gt;&gt; "${var}"
$ cat file\ with\ spaces
aaaa dddd mol_tag
</code></pre>

blocks|key|1085526|text|我最近发现，重定向文件名称中的空格会导致“歧义重定向”消息。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1085527|例如，如果您重定向到application$(date+%2B%25Y%25m%25d%25k%25M%25S).log并指定了错误的格式字符，则重定向将在上午10点之前失败。但是，如果您使用application$(date+%2B%25Y%25m%25d%25H%25M%25S).log，它将会成功。这是因为%25k格式生成上午9点的'+9'，而%25H生成上午9点的'09'|offset|length|style|CODE|1085528|echo+$(date+%2B%25Y%25m%25d%25k%25M%25S)给了20140626+95138|1085529|echo+$(date+%2B%25Y%25m%25d%25H%25M%25S)给了20140626095138|1085530|错误的日期可能如下所示：|1085531|echo+"a"+>+myapp20140626+95138.log|code-block|syntax|javascript|1085532|其中，以下是所需的：|1085533|echo+"a"+>+myapp20140626095138.log|1085534|entityMap^0|0|A|10|2A|10|3L|2|3W|4|42|2|4B|4|0|0|Q|S|E|0|0|Q|S|E|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|Y|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|Z|8|@$D|10|E|11|F|G]|$D|12|E|13|F|G]|$D|14|E|15|F|G]|$D|16|E|17|F|G]|$D|18|E|19|F|G]|$D|1A|E|1B|F|G]]|9|@]|A|$]]|$1|H|3|I|5|6|7|1C|8|@$D|1D|E|1E|F|G]|$D|1F|E|1G|F|G]]|9|@]|A|$]]|$1|J|3|K|5|6|7|1H|8|@$D|1I|E|1J|F|G]|$D|1K|E|1L|F|G]]|9|@]|A|$]]|$1|L|3|M|5|6|7|1M|8|@]|9|@]|A|$]]|$1|N|3|O|5|P|7|1N|8|@]|9|@]|A|$Q|R]]|$1|S|3|T|5|6|7|1O|8|@]|9|@]|A|$]]|$1|U|3|V|5|P|7|1P|8|@]|9|@]|A|$Q|R]]|$1|W|3|-4|5|6|7|1Q|8|@]|9|@]|A|$]]]|X|$]]

I've recently found that blanks in the name of the redirect file will cause the "ambiguous redirect" message.

For example if you redirect to <code>application$(date +%Y%m%d%k%M%S).log</code> and you specify the wrong formatting characters, the redirect will fail before 10 AM for example. If however, you used <code>application$(date +%Y%m%d%H%M%S).log</code> it would succeed. This is because the <code>%k</code> format yields <code>' 9'</code> for 9AM where <code>%H</code> yields <code>'09'</code> for 9AM.

<code>echo $(date +%Y%m%d%k%M%S)</code> gives <code>20140626 95138</code>

<code>echo $(date +%Y%m%d%H%M%S)</code> gives <code>20140626095138</code>

The erroneous date might give something like:

<pre><code>echo "a" &gt; myapp20140626 95138.log
</code></pre>

where the following is what would be desired:

<pre><code>echo "a" &gt; myapp20140626095138.log
</code></pre>

blocks|key|1300738|text|另一件可能导致“二义性重定向”的事情是您正在编写的变量名中的\t+\n+\r|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1300739|也许不是\n\r？但在谨慎方面犯了错误|1300740|尝尝这个|1300741|echo+"a"+>+${output_name//[$'\t\n\r']}|code-block|syntax|javascript|1300742|我在分析HTML+\t时遇到了这个问题。|1300743|entityMap^0|U|2|X|2|10|2|0|4|4|0|0|0|9|2|0^^$0|@$1|2|3|4|5|6|7|S|8|@$9|T|A|U|B|C]|$9|V|A|W|B|C]|$9|X|A|Y|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|Z|8|@$9|10|A|11|B|C]]|D|@]|E|$]]|$1|H|3|I|5|6|7|12|8|@]|D|@]|E|$]]|$1|J|3|K|5|L|7|13|8|@]|D|@]|E|$M|N]]|$1|O|3|P|5|6|7|14|8|@$9|15|A|16|B|C]]|D|@]|E|$]]|$1|Q|3|-4|5|6|7|17|8|@]|D|@]|E|$]]]|R|$]]

One other thing that can cause "ambiguous redirect" is <code>\t</code> <code>\n</code> <code>\r</code> in the variable name you are writing too

Maybe not <code>\n\r</code>? But err on the side of caution

Try this 

<pre><code>echo "a" &gt; ${output_name//[$'\t\n\r']}
</code></pre>

I got hit with this one while parsing HTML, Tabs <code>\t</code> at the beginning of the line.

blocks|key|1085610|text|我刚刚在一个bash脚本中遇到了这个错误。该问题是在前一行的末尾出现错误的意外事件。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1085611|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

I just had this error in a bash script. The issue was an accidental \ at the end of the previous line that was giving an error.

blocks|key|1300808|text|在我的例子中，这是一个有用的警告，因为目标变量(而不是文件)拼写错误并且不存在。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1300809|echo+"ja"+>>+$doesNotExist|code-block|syntax|javascript|1300810|结果是|1300811|./howdy.sh:+line+4:+$doesNotExist:+ambiguous+redirect|1300812|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|N|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|O|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|K|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|L|$]]

In my case, this was a helpful warning, because the target variable (not the file) was misspelled and did not exist.
<pre><code>echo &quot;ja&quot; &gt;&gt; $doesNotExist
</code></pre>
resulting in
<pre><code>./howdy.sh: line 4: $doesNotExist: ambiguous redirect
</code></pre>

The following line in my Bash script

<pre><code> echo $AAAA" "$DDDD" "$MOL_TAG &gt;&gt; ${OUPUT_RESULTS}
</code></pre>

gives me this error:

<pre><code> line 46: ${OUPUT_RESULTS}: ambiguous redirect
</code></pre>

Why?

Getting an "ambiguous redirect" error

我的Bash脚本中的以下行 echo $AAAA"     "$DDDD"         "$MOL_TAG  >>  ${OUPUT_RESULTS}给我这个错误： line 46: ${OUPUT_RESULTS}: ambiguous redirect为什么？

问获取“歧义重定向”错误
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