system command with single quote characters in the string

[Ken Cole]

James,

Use jsfile to write the variable/string to a file and then execute the file.

Work out what is wrong and adjust filePro accordingly.

Ken

On Thursday, 20 June 2013, James Flanagan wrote:

> I was hopeful that was the fix, but the three slashes did not work in
> place of the single slash.  thanks,
>
> James Flanagan
> Flantec.com
>
> email:  James at Flantec.com
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>
> On Jun 19, 2013, at 7:11 PM, Kenneth Brody <kenbrody at spamcop.net<javascript:;>>
> wrote:
>
> > On 6/19/2013 6:44 PM, James Flanagan wrote:
> >> I am trying to send a unix command that requires " ' " (single quote
> >> characters) to encapsulate the data that is being added as metadata in a
> >> file. I have tried using the " \ " prior to each single quote
> character, and
> >> if I msgbox the uc variable from the code below, the resulting command
> >> appears perfect. however, when uc is actually run by the system
> command, the
> >> single quotes do not appear to be translated properly because I get a
> >> message on the screen that says" Error - File not Found - bedroom". That
> >> tells me that the single quotes are not being respected to keep "master
> >> bedroom" as a single string. Therefore, exiftool misinterprets bedroom
> as
> >> the filename due to the space character between master and bedroom.
> >>
> >> I am using FilePro 5.7 on FreeBSD 9.0 p3.
> >>
> >> I am hopeful that there is an easy solution to this.  thank you very
> much,
> >>
> >>
> >> ::fn="/tmp/test.jpg":
> >> ::va="master bedroom":
> >> ::uc="/usr/local/bin/exiftool -q -iptc^AObjectName=\'"{va{"\'"<fn:
> >> ::system noredraw uc:
> >
> > I'm not on a *nix box at the moment, but IIRC the problem is that you
> need
> > to use a triple-backslash-quote in order for the shell to see
> backslash-quote.
> >
> > See, for example:
> >
> >
> >
> http://stackoverflow.com/questions/13689738/keeping-double-quotes-when-passing-string-to-popen-in-c
> >
> > (Yes, it's an article about "popen" and not "system", but the same basic
> > rules apply.)
> >
> > I believe you need:
> >
> >     uc="/usr/local/bin/exiftool -q -iptc:ObjectName=\\\'"{va{"\\\'"<fn
> >
> > As I said, I'm not on a *nix box at the moment, so I can't test it, but
> it
> > should be a simple test for you to try.
> >
> > --
> > Kenneth Brody
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