Search Results

As you explicitely stated 3 lines to be inserted, try alsoawk '
FNR == 1 {f++
}
f < 3 {line[FNR, f]=$0
next
}
...

If I understood correctly what you specified in post #1 in this thread, you might might also want to try something more like:
awk '
FNR == 1 {
# Note start of an input file...
f++
}
{ # Count...

0 $ cat main.txt
line
line0:
blödsinn

line1:

namal blöd
line2:

schluss
0 $ cat paths.txt
/some/path/1
/some/other/path/2
/some/path/3

0 $ bash txt_manip.sh
0 $ cat main.txt...

You mean skip the first line?
awk -F, 'NR>1{$1=$1""?p=$1:p}1' OFS=, infile
or more readable (more like CarloM's suggestion):
awk -F, 'NR>1{if($1=="")$1=p; else p=$1}1' OFS=, infile

----

...

Alternatively try this less general approach:
printf "%s\n" *.dcm | awk -F'[-.]' '$3>p+1{for(i=p+1;i<$3;i++){s=$0; sub($3"."$4,sprintf("%04d",i)"."$4,s); print s}}{p=$3}'
This assumes that all...

This can detect some kinds of sequences. It assumes anything with digits and an extension is part of a sequence, and tells different sequences apart from the string before the last set of digits and...