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Re^4: multiple file operations using perl one-liners

by ikegami (Pope)
on May 18, 2009 at 03:20 UTC ( #764574=note: print w/replies, xml ) Need Help??


in reply to Re^3: multiple file operations using perl one-liners
in thread multiple file operations using perl one-liners

Is there any advantage to this variant? It's longer and buggy (missing chomp). It's also less clear due the weird use of => to separate two of three arguments, especially when it's also used to associate the arguments to the command.

Either way, I just realised du is useless.

perl -e'system zip => "-d", $_, "*exe*" for @ARGV' */*/old.zip

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Re^5: multiple file operations using perl one-liners
by jwkrahn (Monsignor) on May 18, 2009 at 06:00 UTC

    TMTOWTDI    ;-)

    perl -e'system "zip", "-d", $_, "*exe*" for <*/*/old.zip>'
      That fails for paths with spaces. That may not be a problem for the OP, but it would be for me.

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LanX in train, bad connection
[Corion]: ambrus: Yeah - we're in that situation too, except that there is no time to do the reorganizing :-/
[LanX]: ... so my boss started a project with the newest sun servers and invited the traders to come on weekend to test it... and they were so pleased, that they forced him to keep it in production...
[ambrus]: Corion: sure, this is the long-term plan. The short term is that I have to run this ungodly mess to get results from the new input data today.
[Corion]: ambrus: Most of our "automation" is tied to process exit codes and a shell pipeline :-\
[LanX]: ... a week later they realized that one of the databases - which recorded how much the other banks due to this bank - was not correctly plugged
[ambrus]: Corion: I have no problem with exit codes and shell pipeline. My problem is that the current process requires a lot of manual intervention from me, including editing the source codes.
[ambrus]: (Also a lot of manual intervention by two or three other co-workers, who do other parts of the process.)
[ambrus]: Some of the manual part is unavoidable, but not all.
[choroba]: LanX was there a way to recover the numbers from the remaining information?

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