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AWK - Display line after the matching string

awk '/the_string/{getline; print}' file.txt

NOTE: This actually displays all other rows that contain the search string.

Example

Assuming a file, test.txt, exists with the following contents:

10   Peter     Terence   Roux        45
11   Virginia  Genevieve  Roux        45
12   Felix     Devon     Roux         5
13   David     Bruce     Stevenson   48
14   Bob       James     Smith       16
48   Adam      Winter    Ridley      23

Running

awk '/Peter/{getline; print}' test.txt

returns:

11   Virginia  Genevive  Roux        45

Running

awk '/Roux/{getline; print}' test.txt

returns:

11   Virginia  Genevieve  Roux       45
13   David     Bruce     Stevenson   48

Running

awk '/4/{getline; print}' test.txt

returns:

11   Virginia  Genevieve  Roux       45
14   Bob       James     Smith       16
48   Adam      Winter    Ridley      23