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Results tagged with perl
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user 4747
Perl is a language optimized for scanning arbitrary text files, extracting information from those text files, and printing reports.
10
votes
Accepted
Search and replace on command line
You can use -p option (see perl --help):
assume loop like -n but print line also, like sed
So the script becomes:
echo hi | perl -pe 's/i/o/g'
which is really compiled to:
$ perl -MO=Deparse …
1
vote
Accepted
More elegant way to get timestamp from day/hour? (Perl)
There's a timestamp file available here: http://coolwx.com/buoydata/data/curr/timestamp, so I think it'll be easier if you download and parse both data and timestamp files.
You can parse the timesta …
6
votes
Accepted
What changes, if any, are required to make the following Perl eval bullet proof?
Ad. 1. Yes and no - there are still some pitfalls (please read further).
Ad. 2. You must remember about returning truthy value from eval block because it evaluates to last value in block unless some …