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Pattern occurence in a file

 
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# 1  
Old 12-09-2004
Pattern occurence in a file
How can we find the number of occurence of a specified pattern in a file?
This command would be a part of a shell script.
# 2  
Old 12-09-2004
.....
Last edited by druuna; 05-21-2009 at 10:20 AM..
druuna
# 3  
Old 12-09-2004
Quote:
find the number of occurence of a specified pattern in a file
grep -c <pattern> <filename>

:-0
# 4  
Old 12-09-2004
Quote:
Originally posted by encrypted
grep -c <pattern> <filename>
Nah. grep -c only counts number of lines on which a match occurs, not number of occurrences. So a line with <pattern>foofoo<pattern> would only count as one match with grep -c.

Cheers
ZB
# 5  
Old 12-09-2004
in awk..

awk -v s="foo" '{r+=gsub(s,s)}END{print r}' file1
# 6  
Old 12-10-2004
Computer
Thanks to all, your postings helps !!!
 
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