Re: Do shell script vs terminal discrepancy
Re: Do shell script vs terminal discrepancy
- Subject: Re: Do shell script vs terminal discrepancy
- From: Doug McNutt <email@hidden>
- Date: Thu, 3 Dec 2009 14:31:28 -0700
At 16:07 -0500 12/3/09, Paul Skinner wrote:
>Hi,
>
> I have a do shell script command that is returning "" while the same command, when run in the terminal, returns a value.
>
>In applescript:
>set ssc to "convert " & quoted form of POSIX path of thumbPath & " - scale 3x3\\! -compress none -depth 8 ppm:- | sed '/^#/d' | tail -n +4"
>ssc
>-->"convert '/Users/paul/Pictures/iPhoto Library/Data/2009/textures/ b6leather_skin015.jpg' -scale 3x3\! -compress none -depth 8 ppm:- | sed '/^#/d' | tail -n +4"
>set d to do shell script ssc
>-->""
>
>in Terminal:
>>convert '/Users/paul/Pictures/iPhoto Library/Data/2009/textures/ b6leather_skin015.jpg' -scale 3x3\! -compress none -depth 8 ppm:- | sed '/^#/d' | tail -n +4
>-->255 207 55 25 210 60 28 202 55 25 209 57 26 212 61 29 203 57 27 204 55 25 206 59 29 194 53 24
>
>Does anyone know why I'm seeing this discrepancy in behavior?
scale 3x3\\! in set ssc line is dangerous. AppleScript and shell are mucking with the same escape character and you may need three backslashes.
quoted form of 3x3\! -- perhaps.
I'd also worry a bit about the pipe symbols. They just might be getting passed as unicode.
quoted form of the complete line after the POSIX path perhaps. but don't lose a space after or before the path.
--
--> From the U S of A, the only socialist country that refuses to admit it. <--
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