Index
A note on the digital index
A link in an index entry is displayed as the section title in which that entry appears. Because some sections have multiple index markers, it is not unusual for an entry to have several links to the same section. Clicking on any link will take you directly to the place in the text in which the marker appears.
Symbols
- ! operator, 7.6 Print only lines that do not match a regular expression
- !~ operator, 4.1 Check if a number is a prime
- $, (field separator) variable, 4.3 Print the sum of all fields on all lines, A.5 Variables $1, $2, $3, and so on
- $. variable, 3.1 Number all lines in a file, Using $_ explicitly
- $/ variable, A.2 Variable $.
- $1, $2, $3, … variables, 3.13 Number words across all lines, A.4 Variable $\
- $variable ...
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