Nettet5. jun. 2024 · The Linux read command is a bash builtin that is typically used to accept user input in a shell script. You can assign that input to a variable to be used for processing. There is however, a lot more to the read command. In this article we will take an in-depth look at the read command, it's options and show you some examples of … Nettet14. feb. 2024 · Basic User Input. We can simply get user input from the read command in BASH. It provides a lot of options and arguments along with it for more flexible usage, …
scripting - bash: How to prompt for user input while reading file ...
Nettet19. sep. 2011 · You must store the message in a file on the filesystem and load it in the next time your user executes the script. Very simply: echo "Last message was: $ (cat message.txt)" echo "Type the new message that you want to enter, followed by [ENTER]:" read KEEPTHISMESSAGE echo $KEEPTHISMESSAGE > message.txt Nettet12. apr. 2024 · As a Linux user or administrator, there may come a time when you need to prompt a user for a simple yes, no, or cancel input in a shell script. This can be useful for a variety of purposes, such Read More Recent Posts How to prompt for Yes/No/Cancel input in a Linux shell script How to check if a string contains a substring in Bash i saw the light todd rundgren tab
How to Prompt for User Input in Linux shell script
Nettet30. mar. 2024 · How do I get user input to work? exec 3<&0 && read -p 'Enter your answer: ' uservar <&3 FILE="hostnames.txt" echo $ (sudo chmod +777 $FILE) echo … Nettet-p prompt Display prompt, without a trailing newline, before attempting to read any input. The prompt is displayed only if input is coming from a terminal. -r If this option is given, backslash does not act as an escape character. The backslash is … Nettet10. apr. 2024 · BTW, sh /path/to/something.sh is actually a bad practice: it ignores that shell script's first line, which might specify something like #!/bin/bash or #!/bin/zsh or #!/bin/ksh instead of /bin/sh, and forces sh to be used instead of the shell the script was actually written for. one arm razor frost cutlery japan