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Full Discussion: HELP simple script to find e-mail address on a file
Top Forums Shell Programming and Scripting HELP simple script to find e-mail address on a file Post 302911249 by Don Cragun on Wednesday 30th of July 2014 05:14:31 PM
Old 07-30-2014
Not highly robust, but for your sample input, here are a couple of ways to do it using awk in the 1st case, and just using standard shell built-in features in the 2nd case:
Code:
echo 'Using awk:'
awk '{for(i = 1; i <= NF; i++) if($i ~ /@/) print $i}' file
printf '\nJust using shell built-ins:\n'
while read -r line
do	set -- $line
	while [ $# -gt 0 ]
	do	if [ "${1#*@}" != "$1" ]
		then	printf '%s\n' "$1"
		fi
		shift
	done
done < file

 

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LEARN ABOUT DEBIAN

openscad-testrun

OPENSCAD-TESTRUN(1)					      General Commands Manual					       OPENSCAD-TESTRUN(1)

NAME

       openscad-testrun - set up and run the OpenSCAD test suite

SYNOPSIS

       openscad-testrun [options]

DESCRIPTION

       This manual page documents briefly the openscad-testrun command.

       openscad-testrun  is  a script that sets up a directory in which the OpenSCAD test suite (implemented in ctest) can be run by creating sym-
       links to the system locations of the input data, and runs it. The created directory is not removed, but will contain the  test  results	in
       addition to the symlinks.

       It  is  required  as  the test suite in its original form expects all the test input and output data in relative locations, and the typical
       user has no write access to where the data resides. Future changes to the test suite might make it more flexible,  removing  the  need  for
       this script.

OPTIONS

       -d directory, --directory directory
	      Set  up  the  tests  in  a  directory  called directory. By default, this is generated from the current date and time like openscad-
	      test-2012-02-15_13:37.

       -n, --dry-run
	      Do not run the test suite, just set it up.

       All additional arguments are passed on to ctest.

AUTHOR

       The OpenSCAD test suite was written by Clifford Wolf, Marius Kintel, and others. The openscad-testrun script was written by chrysn.

       This manual page was written by chrysn <chrysn@fsfe.org>, for the Debian project (and may be used by others).

								    2012-02-16						       OPENSCAD-TESTRUN(1)
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