UNIX for Dummies Questions & Answers

123|345|ab cd|ef gh
345|456|jk hu|uyh

#!/bin/ksh
set -x
for line in `cat New_file.txt`
do
a1=`echo $line|cut -d '|' -f1`
echo $a1
done

++ cat New_file.txt
+ for line in '`cat New_file.txt`'
++ echo '123|345|ab'
++ cut -d '|' -f1
+ a1=123
+ echo 123
123
+ for line in '`cat New_file.txt`'
++ echo 'cd|ef'
++ cut -d '|' -f1
+ a1=cd
+ echo cd
cd
+ for line in '`cat New_file.txt`'
++ echo gh
++ cut -d '|' -f1
+ a1=gh
+ echo gh
gh
+ for line in '`cat New_file.txt`'
++ echo '345|456|jk'
++ cut -d '|' -f1
+ a1=345
+ echo 345
345
+ for line in '`cat New_file.txt`'
++ echo 'hu|uyh'
++ cut -d '|' -f1
+ a1=hu
+ echo hu
hu

123|345|ab cd|ef gh

123|345|ab

cd|ef

gh

[akshay@aix tmp]$ cat file
123|345|ab cd|ef gh
345|456|jk hu|uyh

[akshay@aix tmp]$ awk '{for(i=1;i<=NF;i++)printf "%s%s",$i,(i == 3 || i == 5 || i == 6 )? RS : OFS}' FS='[| ]' OFS='|' file
123|345|ab
cd|ef
gh
345|456|jk
hu|uyh

while read line
do
  ...
done < New_file.txt

cut -d '|' -f1 New_file.txt |
while read a1
do
  echo "$a1"
done

while IFS=\| read a1 _
do
  echo "$a1"
done < New_file.txt