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Title: grep, egrep, fgrep Post by: bashconsole on May 10, 2009, 02:59:42 PM NAME
grep, egrep, fgrep - print lines matching a pattern SYNOPSIS grep [options] PATTERN [FILE...] grep [options] [-e PATTERN | -f FILE] [FILE...] DESCRIPTION Grep searches the named input FILEs (or standard input if no files are named, or the file name - is given) for lines containing a match to the given PATTERN. By default, grep prints the matching lines. In addition, two variant programs egrep and fgrep are available. Egrep is the same as grep -E. Fgrep is the same as grep -F. http://bashconsole.org/man.1.grep Title: Re: grep, egrep, fgrep Post by: bashconsole on May 10, 2009, 03:05:56 PM Excludes new emails according to exclude-list. Input file format: one email per line. Output: new unique emails are in *.csv file.
Code: #!/bin/bash echo "Joining..." cat EXCLUDE-LIST $1 > 1 echo "Sorting..." cat 1 |sort|uniq > 2 echo "Excluding new records..." diff EXCLUDE-LIST 2 > 3 cat 3 |egrep -e '\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.\w{2,6}' > 4 replace "> " "" -- 4 echo "Preparing results..." mv 2 EXCLUDE-LIST mv 4 $1.cvs rm 1 3 |