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Full Discussion: unexpected pipeline result with find -exec
Top Forums Shell Programming and Scripting unexpected pipeline result with find -exec Post 302168913 by blued on Tuesday 19th of February 2008 06:50:16 PM
Old 02-19-2008
Lightbulb unexpected pipeline result with find -exec
Hi All,

I probably miss something fundamental here.
I want to rename a bunch of files in subdirectories (that might contain white spaces) with names that are related.

I thought following could do the job:
Code:
find . -name *.sh -exec mv {} $(echo {} | sed -e 's/0/1/g') \;

Now to be able to see the output I generate an echo of the substitutes:
Code:
find . -name *.sh -exec echo {} $(echo {} | sed -e 's/0/1/g') \;

Interestingly echo {} equals echo {} | sed -e 's/0/1/g'.
It looks like the substitution of {} is somehow not done in the order I expected.

If I try the pipelining directly (without ${..}) it generates the right substitution (but for my purpose not usable):
Code:
find . -name *.sh -exec echo {} $(echo "2001" | sed -e 's/0/1/g') \;

Thank you very much for any idea pointing out my mistake,
best,
blued
 

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LEARN ABOUT OPENSOLARIS

noecho

echo(3XCURSES)						  X/Open Curses Library Functions					    echo(3XCURSES)

NAME

       echo, noecho - enable/disable terminal echo

SYNOPSIS

       cc [ flag... ] file... -I /usr/xpg4/include  -L	/usr/xpg4/lib 
	-R  /usr/xpg4/lib  -lcurses  [ library... ]

       c89 [ flag... ] file... -lcurses [ library... ]

       #include <curses.h>

       int echo(void);

       int noecho(void);

DESCRIPTION

       The  echo()  function enables Echo mode for the current screen. The noecho() function disables Echo mode for the current screen. Initially,
       curses software echo mode is enabled and hardware echo mode of the tty driver is disabled. The echo() and noecho() functions control  soft-
       ware echo only. Hardware echo must remain disabled for the duration of the application, else the behavior is undefined.

RETURN VALUES

       Upon successful completion, these functions return OK. Otherwise, they return ERR.

ERRORS

       No errors are defined.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Standard			   |
       +-----------------------------+-----------------------------+
       |MT-Level		     |Unsafe			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       getch(3XCURSES), getstr(3XCURSES), initscr(3XCURSES), libcurses(3XCURSES), scanw(3XCURSES), attributes(5), standards(5)

SunOS 5.11							    5 Jun 2002							    echo(3XCURSES)
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