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Top Forums Shell Programming and Scripting How can I extract digits at the end of a string in UNIX shell scripting? Post 303026152 by mingch on Wednesday 21st of November 2018 02:09:53 AM
Old 11-21-2018
How can I extract digits at the end of a string in UNIX shell scripting?

How can I extract digits at the end of a string in UNIX shell scripting or perl?
Code:
cat file.txt
abc_d123_4567.txt
A246_B789.txt
B123cc099.txt
a123_B234-012.txt
a13.txt


What can I do here? Many thanks.
Code:
cat file.txt | sed "s/.txt$//" | ........
4567
789
099
012
13


Last edited by vbe; 11-21-2018 at 04:36 AM.. Reason: code tags
 

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