Re: [OT] Shell scripting (2)

• Subject: Re: [OT] Shell scripting (2)
• From: "Marc K. Myers" <email@hidden>
• Date: Sun, 28 Dec 2003 14:06:53 -0500

From: Stevan Reese <email@hidden>
Date: Sun Dec 28, 2003 11:19:13 AM America/Detroit
To: "Marc K. Myers" <email@hidden>, <email@hidden>
Subject: RE: [OT] Shell scripting (2)

Have a look at "tr", see #man tr
This line reads in the file contained in the variable "stylelistdoc" removes the carriage returns and replaces them with line feeds, then sends the output to /tmp/stylelist.iso while removing extra line > feeds.

do shell script "/usr/bin/tr \\\\'\\\\r' \\\\'\\\\n' < " & styleListdoc & " | /usr/bin/tr -s \\\\n > /tmp/stylelist.iso"

In the shell this would be "/usr/bin/tr '\r' '\n' < /filepath | /usr/bin/tr -s \n > /tmp/stylelist.iso"
The extra "\" remove Applescript's interference.

The other helpful thing this demonstrates is the use of the /tmp directory. You can stash data that is not final output here, then pick it up later in your script. I add a line to try and delete it on starting the script so that I don't have to clean up before running it again. If you don't the /tmp directory will get cleaned out daily anyway.
stevan

-----Original Message-----
From: Marc K. Myers [mailto:email@hidden]
Sent: Sat 12/27/2003 5:36 PM
To: email@hidden
Cc: Subject: [OT] Shell scripting (2)
Could someone point me in the right direction as to how to do a find
and replace on files in the Unix shell? What I'm doing now is reading
the file into a variable, using a TID handler to find and replace, and
writing the contents back to the file. Since this is such a common
need there is probably a much easier way to do it via shell scripting.

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