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Shell script command results are saved to variables with line breaks

2022-04-22 23:06:00 【Data from scratch】

stay shell in , You can directly save the running result of the command to a variable , And then use echo No newline character is found when outputting , Later, it was found that double quotation marks were needed , To keep the newline .

echo $result          No line breaks 
echo "$result"       With line break

Simple test script run.sh

#!/bin/bash
 
 
result=$(ls -l)
 
echo $result
 
echo
 
echo "$result"

Reference resources ：https://blog.csdn.net/qq_34039018/article/details/106998053

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