Shell Programming and Scripting

awk 'END{print NR"|"FILENAME}' file.txt >> temp.txt; 
awk 'END{print NR"|"FILENAME}' asdf.txt >> temp.txt; 
awk 'END{print NR"|"FILENAME}' lkjh.txt >> temp.txt;
awk 'END{print NR"|"FILENAME}' bvcx.txt >> temp.txt

gawk 'ENDFILE{print NR"|"FILENAME}' file.txt asdf.txt lkjh.txt bvcx.txt

awk '{print NR"|"FILENAME}' file.txt  asdf.txt  lkjh.txt  bvcx.txt   > temp.txt

2342343|file.txt
762834623|asdf.txt  
23|lkjh.txt  
9098|bvcx.txt

awk 'FNR==1&&p{print p};{p=FNR"|"FILENAME};END{print FNR"|" FILENAME}' file.txt  asdf.txt  lkjh.txt  bvcx.txt >> temp.txt

wc -l Input_file1  Input_file2  Input_file3  Input_file4  | grep -v "total"

  12 Input_file1
   4 Input_file2
   4 Input_file3
   5 Input_file4

wc -l Input_file1  Input_file2  Input_file3  Input_file4  | awk '($0 ~ /total/){next}{sub(/^[[:space:]]+/,X,$0);sub(/[[:space:]]/,"|",$0);} 1'

12|Input_file1
4|Input_file2
4|Input_file3
5|Input_file4