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I found myself in a situation where I constantly look for parameters of a command in bash. For instance, find -type f -name '*py' -print0. In order to find all of those I need to go through man,info, or --help option which is laborious and time consuming. Is there any way to make this search instant. Ideally, I would love to see something like: find -type --help stating help on type option of find.
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You need to utilize the “-L” option and the path and “-name” option in your command. The “*” in the name specification is used for searching “all” the bash files with “.
$() means: "first evaluate this, and then evaluate the rest of the line". Ex : echo $(pwd)/myFile.txt. will be interpreted as echo /my/path/myFile.txt. On the other hand ${} expands a variable.
$_ (dollar underscore) is another special bash parameter and used to reference the absolute file name of the shell or bash script which is being executed as specified in the argument list. This bash parameter is also used to hold the name of mail file while checking emails.
$0 is the name of the script itself (script.sh) $1 is the first argument (filename1) $2 is the second argument (dir1)
If your man pages open in less you can use / to search over it.
man find
/-type
n, for next search
N for previous search
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