[Chicago-talk] Piping a command into perl?
Randal L. Schwartz
merlyn at stonehenge.com
Sat Mar 18 22:40:00 PST 2006
>>>>> "Jay" == Jay Strauss <me at heyjay.com> writes:
Jay> Here is exactly what I'm doing:
Jay> #!/bin/bash
Jay> . tws.setup # this does a whole bunch of setup for the current shell
Jay> perl -e '
Jay> my @a = <*.jar>;
Jay> print join ":", grep { !/jtsclient|Guide/ } (map { s/\//./g; $_ } @a);
Jay> '
Jay> # When you run this script it produces a line like below to STDOUT
Jay> #
Jay> # jcommon-1.0.0.jar:jfreechart-1.0.0.jar:jhall.jar:jts.jar:other.jar:rss.jar
Jay> #
Jay> What I have works, I just thought I'd put the perl into a heredoc and
Jay> make it prettier
Then put it into a heredoc, and make it prettier:
#!/bin/bash
. tws.setup
perl <<'END_OF_PERL_SCRIPT'
my @a = <*.jar>;
print join ":", grep { !/jtsclient|Guide/ } (map { s/\//./g; $_ } @a);
END_OF_PERL_SCRIPT
--
Randal L. Schwartz - Stonehenge Consulting Services, Inc. - +1 503 777 0095
<merlyn at stonehenge.com> <URL:http://www.stonehenge.com/merlyn/>
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