About
In a bash pipeline, the pipeline message is known as:
- the word
- the field
This is a sequence of characters considered as a single unit by the shell.
The first message is the standard input.
Word and Field Differences:
- Word: Bash takes a command line and splits it into word
- Field: IFS
Modification
Expansion
With the following expansion, you can change the number of words of the expansion;
- word splitting,
The only exceptions are the expansions of:
- $@ (see positional parameter)
- and Word[@] (see array)
Command
The read command can split an input into line or word.