Getline Summary (The GNU Awk User’s Guide)

Previous: Getline Notes, Up: Getline   [Contents][Index]

---

4.10.10 Summary of getline Variants

Table 4.1 summarizes the eight variants of getline, listing which predefined variables are set by each one, and whether the variant is standard or a gawk extension. Note: for each variant, gawk sets the RT predefined variable.

Variant	Effect	awk / gawk
getline	Sets $0, NF, FNR, NR, and RT	awk
getline var	Sets var, FNR, NR, and RT	awk
getline < file	Sets $0, NF, and RT	awk
getline var < file	Sets var and RT	awk
getline	Sets $0, NF, and RT	awk
getline var	Sets var and RT	awk
& getline	Sets $0, NF, and RT	gawk
& getline var	Sets var and RT	gawk

Table 4.1: getline variants and what they set