xxd -p file.original | sed 's/\x01\x02\x03/\x04\x05\x06/g' | xxd -p -r > file.updatedsed -r 's/lyc([^\]*)$/yyy\1/'<b>$ echo 'myfolder\lyc\something-lyc-mic.txt' | sed -r 's/lyc([^\]*)$/yyy\1/'</b>
myfolder\lyc\something-yyy-mic.txt
<b>$ echo 'any_number_offolder_with_lyc\lyc-myfolder\lyc\something-lyc-mic.txt' | sed -r 's/lyc([^\]*)$/yyy\1/'</b>
any_number_offolder_with_lyc\lyc-myfolder\lyc\something-yyy-mic.txtHost github-user1
HostName github.com
User git
IdentityFile ~/.ssh/id_rsa_user1
Host github-user2
HostName github.com
User git
IdentityFile ~/.ssh/id_rsa_user2