回答編集履歴
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追記
answer
CHANGED
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@@ -2,7 +2,7 @@
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`eval`のあたりも無駄な処理なので、元の流れを保って書き直すと、こんな感じで。
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-
```
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+
```sh
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#!/bin/bash
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while read line
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@@ -11,4 +11,10 @@
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done < demo.txt > /tmp/test.txt
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logger -- "`cat /tmp/test.txt`"
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```
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1行で書くと、
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```sh
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#!/bin/sh
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logger -- "`sed 's/^/--> /' demo.txt | tr '\n' ' '`"
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```
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