getline
Variants
table-getline-variants
summarizes the eight variants of getline
,
listing which built-in variables are set by each one,
and whether the variant is standard or a gawk extension.
Variant | Effect | Standard / Extension
|
---|---|---|
getline | Sets $0 , NF , FNR , and NR | Standard
|
getline var | Sets var, FNR , and NR | Standard
|
getline < file | Sets $0 and NF | Standard
|
getline var < file | Sets var | Standard
|
command | getline | Sets $0 and NF | Standard
|
command | getline var | Sets var | Standard
|
command |& getline | Sets $0 and NF | Extension
|
command |& getline var | Sets var | Extension
|
Table 4.1: getline Variants and What They Set