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grep command allows you to search a string in a file. So run the grep command on the file as shown below to find out and display all the lines where the ^M character is present. To type “^M” – click Ctrl+V and Ctrl+M i.e you can hold the CTRL key and press V and M sequentially.
How do I find Control M characters in Linux?
Commands
- To find ^M (control +M) characters in the file: For single file: $ grep ^M. filename For Multiple files: $ grep ^M * …
- To remove ^M (control +M) characters in the file: $ dos2unix filename filename. (dos2unix is the command used to delete ^M characters in the file.
What is control M character in Linux?
Viewing the certificate files in Linux shows ^M characters appended to every line. The file in question was created in Windows and then copied over to Linux. ^M is the keyboard equivalent to r or CTRL-v + CTRL-m in vim.
