bash change line
You can use this sed command: sed 's/^ *-(line [0-9]-+-).-+$/my -1/' file line 1 my line 2 my line 3. If you want inline editing of this file use: sed -i.bak 's/^ *-(line ... , #!/bin/bash while IFS= read -r line do case "$line" in *blue*) printf "%s-n" "$line/blue/azure}" ;; *) printf "%s-n" "$line" ;; esac done < input.txt.
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 bash change line 相關參考資料
bash - Sed replace specific line in file - Ask Ubuntu
I'm building a bash script for my virtual machine and I would like to know how to replace a specific line in this document: [base] ## uncomment ... https://askubuntu.com change line in bash using regular expression - Stack Overflow
You can use this sed command: sed 's/^ *-(line [0-9]-+-).-+$/my -1/' file line 1 my line 2 my line 3. If you want inline editing of this file use: sed -i.bak 's/^ *-(line ... https://stackoverflow.com Find and replace text within a file using commands - Ask Ubuntu
#!/bin/bash while IFS= read -r line do case "$line" in *blue*) printf "%s-n" "$line/blue/azure}" ;; *) printf "%s-n" "$line" ;; esac done < input.... https://askubuntu.com How to replace an entire line in a text file by line number ...
I actually used this script to replace a line of code in the cron file on ... in bash, replace N,M by the line numbers and xxx yyy by what you want https://stackoverflow.com How to replace line in file with pattern with sed? - Super User
You have forgot -i. Modification should be made in place : $ sed -i 's/maxmemory.*/maxmemory 26gb/' /some/file/some/where.txt. https://superuser.com How to tell bash that the line continues on the next line - Stack ...
From the bash manual: The backslash character '-' may be used to remove any special meaning for the next character read and for line continuation. Different, but related, is the implicit cont... https://stackoverflow.com Replace two lines in a file with one new line with bash - Stack ...
Even if this question should be already answered in this thread, I didn't manage to make the "one-line-one-command" solution work. https://stackoverflow.com Shell Syntax: How to correctly use to break lines? - Unix ...
Here, you need the backslash: echo 1 2 3 - 4. or echo 1 - && echo 2. Otherwise, bash would execute the command right after processing the first line without ... https://unix.stackexchange.com 於Bash shell echo 輸入換行字元的寫法| Tsung's Blog
要於Bash shell 的CLI 界面，echo 某些字元導入檔案中，要怎麼寫？ 於Bash shell echo 輸入換行字元的寫法echo 可以使用-e 的參數，或者直接 ... https://blog.longwin.com.tw |