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Count in the awk loop if anything else
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Count in the awk loop if anything else
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can you explain to me why this simple onliner does not work? Thanks for your time.
awk 'BEGIN{i=1}{if($2 == i){print $0} else{print "0",i} i=i+1}' check
input text file with name "check":
a 1
b 2
c 3
e 5
f 6
g 7
desired output:
a 1
b 2
c 3
0 4
e 5
f 6
g 7
output received:
a 1
b 2
c 3
0 4
0 5
0 6
awk 'BEGIN{i=1}{ if($2 == i){print $0; } else{print "0",i++; print $0 } i++ }' check
- increment
ione more time in the else (you are inserting a new line) - print the currentline in the else, too
- this works only if there is only one line missing between the present lines, otherwise you need a loop printing the missing lines
Or simplified:
awk 'BEGIN{i=1}{ if($2 != i){print "0",i++; } print $0; i++ }' check
Tags
awk
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