According to the ASCII character encoding, there are 95 printable characters in total. Those characters are in the range [0x20 to 0x7E] ([32 to 126] in decimal) and they represent letters, digits, punctuation marks, and a few miscellaneous symbols. Character 0x20 (or 32 in decimal) is the space character '…
Assuming you have a lot of files and you need to find all files that contain a certain string value, you can check them all automatically using the following command. Method 1 - Using find -exec Using the exec flag of find, you can process all files even those that…
Using a regular expression to match the lines that start with a tab we wrote the following grep -P '^\t' The -P parameter (or --perl-regexp) directs grep to interpret the pattern as a Perl regular expression. The ^ character directs the pattern to match the start of the line. The…
