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Full Discussion: HOW to run a bash-code in a c-shell script ??
Top Forums Shell Programming and Scripting HOW to run a bash-code in a c-shell script ?? Post 302494073 by alex_5161 on Friday 4th of February 2011 06:47:58 PM
Old 02-04-2011
HOW to run a bash-code in a c-shell script ??
Is there a way to run some code in a C-shell script by different shell, like bash?

I have that situation.
I have prepared and perfectly workable bash-skript that now I have to execute under C-shell script, divide it on steps and without creating a new files (with the bash-code parts.)

For example:
Code:
> cat c.sh
#!/bin/csh -f
echo " -- starting $0 --"
echo " .. before executing bash-code : "

/bin/bash/ -e <<END
  pair=123-456
      aRID=${pair%-*}
      iRID=${pair#*-}
  echo " aRID=$aRID; iRID=$iRID "
END

echo " -- exiting the $0 -- "
> ll c.sh
-rwxrwxrwx   1 abc1929  grsome       218 Feb  4 17:10 c.sh*
> c.sh
 -- starting ./c.sh --
 .. before executing bash-code :
pair: Undefined variable
>

Even with so simple statement it is already problems.
I need to execute much more advance and complicated processing!

I guess, the C-shell checking the syntax during the entering bash-code line in order to catch the 'END' line.
Maybe it is possible to disable it (the C-shell checking) and enable it after?

The option to have the code in single quotes is not usefull, too!
By that I would need to escape much: that will hightmаре!

Rewrite the bash script in c-shel - havy and long task!

I see only one option: brake the bash script on bansh of small files and process communication between them through env-variable or temporary files.

Disgusting solution!

Is there any other way?

Thank you!
 

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LEARN ABOUT CENTOS

bashbug

BASHBUG(1)						      General Commands Manual							BASHBUG(1)

NAME

       bashbug - report a bug in bash

SYNOPSIS

       bashbug [--version] [--help] [email-address]

DESCRIPTION

       bashbug	is  a shell script to help the user compose and mail bug reports concerning bash in a standard format.	bashbug invokes the editor
       specified by the environment variable EDITOR on a temporary copy of the bug report format outline. The user must fill  in  the  appropriate
       fields  and  exit  the  editor.	 bashbug  then	mails the completed report to bug-bash@gnu.org, or email-address.  If the report cannot be
       mailed, it is saved in the file dead.bashbug in the invoking user's home directory.

       The bug report format outline consists of several sections.  The first section provides information about the  machine,	operating  system,
       the  bash  version, and the compilation environment.  The second section should be filled in with a description of the bug.  The third sec-
       tion should be a description of how to reproduce the bug.  The optional fourth section is for a proposed fix.  Fixes are encouraged.

ENVIRONMENT

       bashbug will utilize the following environment variables if they exist:

       EDITOR Specifies the preferred editor. If EDITOR is not set, bashbug defaults to emacs.

       HOME   Directory in which the failed bug report is saved if the mail fails.

       TMPDIR Directory in which to create temporary files and directories.

SEE ALSO

       bash(1)

AUTHORS

       Brian Fox, Free Software Foundation
       bfox@gnu.org

       Chet Ramey, Case Western Reserve University
       chet@po.cwru.edu

GNU Bash-4.0							   1998 July 30 							BASHBUG(1)
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