有很多方法可以做到这一点。对我来说，将缩进的字符串输送到sed中效果很好。

printf_strip_indent() {
   printf "%s" "$1" | sed "s/^\s*//g" 
}

printf_strip_indent "this is line one
this is line two
this is line three" > "file.txt"

这个答案是基于Mateusz Piotrowski的回答，但做了一些改进。

或者用空格保持文本缩进:

#!/bin/sh

sed 's/^[[:blank:]]*//' >filename <<EOF
    this is line one
    this is line two
    this is line three
EOF

相同但使用变量:

#!/bin/sh

text="$(sed 's/^[[:blank:]]*//' << whatever
    this is line one
    this is line two
    this is line three
)"

echo "$text" > filename

;-)

在bash脚本中，以下工作:

#!/bin/sh

text="this is line one\nthis is line two\nthis is line three"
echo -e $text > filename

另外:

text="this is line one
this is line two
this is line three"
echo "$text" > filename

Cat文件名给出:

this is line one
this is line two
this is line three

有很多方法可以做到这一点。对我来说，将缩进的字符串输送到sed中效果很好。

printf_strip_indent() {
   printf "%s" "$1" | sed "s/^\s*//g" 
}

printf_strip_indent "this is line one
this is line two
this is line three" > "file.txt"

这个答案是基于Mateusz Piotrowski的回答，但做了一些改进。

我发现了更多的解决方案，因为我想有每一行适当缩进:

You may use echo: echo "this is line one" \ "\n""this is line two" \ "\n""this is line three" \ > filename It does not work if you put "\n" just before \ on the end of a line. Alternatively, you can use printf for better portability (I happened to have a lot of problems with echo): printf '%s\n' \ "this is line one" \ "this is line two" \ "this is line three" \ > filename Yet another solution might be: text='' text="${text}this is line one\n" text="${text}this is line two\n" text="${text}this is line three\n" printf "%b" "$text" > filename or text='' text+="this is line one\n" text+="this is line two\n" text+="this is line three\n" printf "%b" "$text" > filename Another solution is achieved by mixing printf and sed. if something then printf '%s' ' this is line one this is line two this is line three ' | sed '1d;$d;s/^ //g' fi It is not easy to refactor code formatted like this as you hardcode the indentation level into the code. It is possible to use a helper function and some variable substitution tricks: unset text _() { text="${text}${text+ }${*}"; } # That's an empty line which demonstrates the reasoning behind # the usage of "+" instead of ":+" in the variable substitution # above. _ "" _ "this is line one" _ "this is line two" _ "this is line three" unset -f _ printf '%s' "$text"

我听到这个答案，但也想把它输送到另一个命令。给出的答案是正确的，但如果有人想要管道它，您需要在像这样的多行字符串之前管道它

echo | tee /tmp/pipetest << EndOfMessage
This is line 1.
This is line 2.
Line 3.
EndOfMessage

这将允许您拥有多行字符串，但也可以将其放在后续命令的stdin中。