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Full Discussion: csh formatted strings
Top Forums Shell Programming and Scripting csh formatted strings Post 302273798 by cfajohnson on Tuesday 6th of January 2009 12:38:19 AM
Old 01-06-2009
Quote:
Originally Posted by sera1711
Hi,

currently I'm trying to write a csh script that should do the following:

set i = 1
while ($i < 100) {
cp AAA BBB
set i = $i +1
}

where AAA is a string like this file.11.txt, file.21.txt, ...
and BBB is a string like this file_0001, file_0002, ...

Is it possible to generate the string AAA and BBB automatically from the variable i?

It's simple in a Bourne-type shell:

Code:
i=1
while [ $i -lt 100 ]
do
  case $i in
     ?) nf=000$i ;;
    ??) nf=00$i ;;
   ???) nf=0$i ;;
  esac
  cp "file.$1.txt" "file_$nf"
done

You'll find it easier to write scripts in a standard shell and much easier to get help.
 

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LEARN ABOUT SUSE

suspend

suspend(1)                                                         User Commands                                                        suspend(1)

NAME

       suspend - shell built-in function to halt the current shell

SYNOPSIS

   sh
       suspend

   csh
       suspend

   ksh
       suspend

DESCRIPTION

   sh
       Stops the execution of the current shell (but not if it is the login shell).

   csh
       Stop the shell in its tracks, much as if it had been sent a stop signal with ^Z. This is most often used to stop shells started by su.

   ksh
       Stops the execution of the current shell (but not if it is the login shell).

ATTRIBUTES

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

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE         |      ATTRIBUTE VALUE        |
       +-----------------------------+-----------------------------+
       |Availability                 |SUNWcsu                      |
       +-----------------------------+-----------------------------+

SEE ALSO

       csh(1), kill(1), ksh(1), sh(1), su(1M), attributes(5)

SunOS 5.10                                                          15 Apr 1994                                                         suspend(1)
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