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do something for each line

Niransha answered on September 25, 2022 Popularity 3/10 Helpfulness 1/10

answer do something for each line

do something for each line

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cat xtmp
111
222
333
444

cat xtmp |  awk '{s++; print($1,"QQQ") }'
111 QQQ
222 QQQ
333 QQQ
444 QQQ

cat xtmp |  awk '{s++; print($1+3,"QQQ") }'
114 QQQ
225 QQQ
336 QQQ
447 QQQ

cat xtmp |  awk '{s++; for(i=1; i<=4 ; i++) print $1 }'  # this will repeat each line 4 time

cat tmp | awk '{s++; a=a+$1; print(s" "$1" "a)}' instead of a=a+$1 you can use a+=$1
1 111 111
2 222 333
3 333 666
4 444 1110

Popularity 3/10 Helpfulness 1/10 Language shell

Source: Grepper

Tags: each line shell

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Contributed on Sep 25 2022

Niransha

0 Answers Avg Quality 2/10

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