Issue
FILE1.TXT
0020220101
or
01 20220101
Need to extra date part from file where text starts from 2
Options tried:
t_FILE_DT1='awk -F"2" '{PRINT $NF}' FILE1.TXT'
t_FILE_DT2='cut -d'2' -f2- FILE1.TXT'
echo "$t_FILE_DT1"
echo "$t_FILE_DT2"
1st output : 0101
2nd output : 0220101
Expected Output: 20220101
Im new to linux scripting. Could some one help guide where Im going wrong?
Solution
Use grep like so:
echo "0020220101\n01 20220101" | grep -P -o '\d{8}\b'
20220101
20220101
Here, GNU grep uses the following options:
-P : Use Perl regexes.
-o : Print the matches only (1 match per line), not the entire lines.
SEE ALSO:
grep manual
perlre - Perl regular expressions
Answered By - Timur Shtatland Answer Checked By - Dawn Plyler (WPSolving Volunteer)