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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 OPENSOLARIS

shells

shells(4)							   File Formats 							 shells(4)

NAME

       shells - shell database

SYNOPSIS

       /etc/shells

DESCRIPTION

       The shells file contains a list of the shells on the system. Applications use this file to determine whether a shell is valid. See getuser-
       shell(3C). For each shell a single line should be present, consisting of the shell's path, relative to root.

       A hash mark (#) indicates the beginning of a comment; subsequent characters up to the end of the line are not interpreted by  the  routines
       which search the file. Blank lines are also ignored.

       The following default shells are used by utilities: /bin/bash, /bin/csh, /bin/jsh, /bin/ksh, /bin/ksh93, /bin/pfcsh, /bin/pfksh, /bin/pfsh,
       /bin/sh, /bin/tcsh, /bin/zsh, /sbin/jsh, /sbin/sh, /usr/bin/bash, /usr/bin/csh, /usr/bin/jsh, /usr/bin/ksh, /usr/bin/ksh93, /usr/bin/pfcsh,
       /usr/bin/pfksh, /usr/bin/pfsh, and /usr/bin/sh, /usr/bin/tcsh, /usr/bin/zsh, and /usr/sfw/bin/zsh. /etc/shells overrides the default list.

       Invalid shells in /etc/shells could cause unexpected behavior, such as being unable to log in by way of ftp(1).

FILES

       /etc/shells    list of shells on system

SEE ALSO

       vipw(1B), ftpd(1M), sendmail(1M), getusershell(3C), aliases(4)

SunOS 5.11							    20 Nov 2007 							 shells(4)
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