OUTPUT="$(ls -1)" echo "${OUTPUT}" MULTILINE=$(ls \ -1) echo "${MULTILINE}" Run Code Online (Sandbox Code Playgroud) Quoting("$(command)")对保留多行值很重要. 仅供参考这称为"命令替换":http://www.gnu.org/software/bash/manual/bashref.html#Command-Substitution (71认同) 我们能...
bash shell command-line 答案除了反引号( `command` )之外,你可以使用$(command) ,我发现它更容易阅读,并允许嵌套。 OUTPUT="$(ls -1)" echo "${OUTPUT}" MULTILINE=$(ls \ -1) echo "${MULTILINE}" 引用( " )对保留多行值很重要。 更新(2018 年):正确的方法是 $(sudo run command) 你使用...
变量: “我知道如何使用variable=$(command),但我认为"$string"是一个有效的command”;https://dev59.com/fpffa4cB1Zd3GeqP1gGN - tripleee 显示剩余2条评论16个回答3130 除了反引号`command`外,可以使用$(command)或"$(command)"进行命令替换,我发现这更易于阅读,并允许嵌套。 OUTPUT=$(ls -1) echo...
/bin/bashecho "Paste your certificate:"IFS= read -d '' -n 1 keyvariablewhile IFS= read -d '' -n 1 -t 2 cdoFeedback Tags: multi line string input bash scriptbash multi line command with input Bash multi-line command with input Question: I have a straightforward inquiry. I want to...
Line 8changes the value of the globalvar2variable. Lines 14-22print the variable values before and after calling the function. 3. Save the script and exit Vim: :wqCopy 4. Change thefile permissionsto executable: chmod +x variable.shCopy ...
3.4 Using echo with a Shell Variable We can store multi-line content in a variable and echo it: Use echo with Shell Variable 1 2 3 4 5 6 multiline_string="It is line 1. It is line 2. It is line 3." echo "$multiline_string" OUTPUT 1 2 3 4 5 It is line 1. It is...
1. Using your favorite text editor, create a shell script calledsyntax. If you're using Vim, run the following line in the terminal: vim syntax.sh 2. Add the code below to the shell script: # syntax.sh# Declaring functions using the reserved word function# Multilinefunctionf1 {echoHello...
Store output to variable MultiLine printf statement When you have more than one line to be printed, then you can enclose the text in double-quotes. Similarly, if you have a huge line to be printed as a single line and wish to write the line in multi-line for better code readability, ...
To store only the initial line, assign it to a variable namedfirstline. read -r firstline < <(./inner.sh) Undoubtedly, these methods are the most effective! This small benchmark will prove it: $ time mapfile -t array < <(for i in {0..100000}; do echo "fdjsakfjds$i"; done)...
Le script bash suivant imprime les mots dansmultiline.txtsans aucun espace supplémentaire. L’option-epermet l’interprétation des caractères d’échappement dans la variablegreet. #!/bin/bashgreet="Hello\n,\nWorld\n!"echo-e$greet>multiline.txt ...