To remove the first character from the name of a file in Linux, you can use the rename command with a regular expression. The rename command allows you to rename multiple files at once using a pattern or expression.
Here's an example of how to use the rename command to remove the first character from the name of a file:
rename 's/^.//' *ecruoS:www.lautturi.com
This command uses a regular expression to match the first character (^.) in the name of each file and replace it with nothing (//). The * at the end of the command tells the rename command to apply the changes to all files in the current directory.
Keep in mind that the rename command is not available on all Linux distributions, and the syntax may vary slightly depending on your system.
If the rename command is not available on your system, you can use the find and mv commands to achieve the same result. Here's an example of how to use these commands to remove the first character from the name of a file:
find . -type f -name '*' -exec sh -c 'mv "$1" "${1:1}"' -- {} \;
This command uses the find command to search for files in the current directory (.) and the -type f option to limit the search to regular files. The -name '*' option tells the find command to match all files. The -exec option allows you to specify a command to be executed on each file that is found. In this case, the command is mv "$1" "${1:1}", which uses shell parameter expansion to remove the first character from the name of the file. The -- {} \; at the end of the command tells the find command to end the -exec option and execute the command for each file that is found.