Pipeline commands for Bash Shell

1.Cut: Command Select cut-d ' delimited character '-F fields
-D: followed by delimited characters, used with-f
-F: Cutting a piece of information into several segments according to the delimited character of-D
-C: Remove a fixed character range in units of characters
Eg:echo $PATH | Cut-d ': '-F 5
To ";" as a separator, take the fifth paragraph of characters
2.grep: The Cut command above takes a section out of a line of information, and grep parses a piece of information and takes out the line grep [-ACINV] [–color=auto] ' Find string ' file
-A: Find data with binary files as text files
-V: Reverse selection, which shows the line without the ' Find string ' content
–color =auto: You can add a color display to the Found keyword section
3.Sort: Sort command sort [-fbmnrtuk] [file or stdin]
-F: Ignore case-B: Ignore front whitespace-M: Sort by month
-N: Sort by number-r: Reverse Sort
4.Uniq: sequencing, only one display of duplicate data is listed Uniq [-ic]
-I: Ignore case-C: Count
5.WC: The number of rows, words, and characters in the contents of the display WC [-LWM]
-L: List only travel-W: List only how many characters-M: list only
6.Tee: Bidirectional redirect Tee [-A] file
-A: Add data to file in a cumulative way
Eg:ls-l Home | Tee ~/homefile | More
The data of LS is saved to ~/homefile, and the output information is also available on the screen.
7.TR: Delete or replace text in a message tr [-ds] SET1 ...
-D: Delete message SET1 this string
-S: replace repeating characters
Eg1:last | TR ' [A-z] ' [A-z] ' converts lowercase characters into uppercase letters
eg2:cat/etc/passwd | Tr-d ': ' Delete colon
8.ColConvert tab key to space bar Col [-X]
9.Join: Add the same row of data in the two file join [-ti12] file1 file2
-T: Data is separated by whitespace by default
10.Paste: Put two lines together, and [tab] key to separate paste [-d] file1 file2
Eg:paste/etc/passwd/etc/shadow paste the two file with the same line
11.Expand: Convert [tab] key to SPACEBAR expand [-T] File
12.Split: Cut character split [-BL] File PREFIX
-B: The size of the file to be cut in the rear, can be connected to the unit
-L: Cut by number of rows
PREFIX: Represents a leader character that can be used as a leading file for cutting files
Eg:split-b 200k/etc/termcap termcap
13.Xargs: Parameter substitution xargs [ -0EPN] Command

Pipeline commands for Bash Shell