I have A LOT of text files, with just one column.
Some text file have 2000 lines (consisting of numbers), and some others have less than 2000 lines (also consisting only of numbers).
I want to delete all the textiles with less than 2000 lines in them.
EXTRA INFO
The files that have less than 2000 lines, are not empty they all have line breaks till row 2000. Plus my files have some complicated names like: Nameofpop_chr1_window1.txt
I tried using awk to first count the lines of my text file, but because there are line breaks for every file I get the same result, 2000 for every file.
awk 'END { print NR }' Nameofpop_chr1_window1.txt
Thanks in advance.
You can use this awk to count non-empty lines:
awk 'NF{i++} END { print i }' Nameofpop_chr1_window1.txt
OR this awk to count only those lines that have only numbers
awk '/^[[:digit:]]+$/ {i++} END { print i }' Nameofpop_chr1_window1.txt
To delete all files with less than 2000 lines with numbers use this awk:
for f in f*; do
[[ -n $(awk '/^[[:digit:]]+$/{i++} END {if (i<2000) print FILENAME}' "$f") ]] && rm "$f"
done
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