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Full Discussion: Variable syntax error in $?
Top Forums Shell Programming and Scripting Variable syntax error in $? Post 302812609 by Rahul619 on Sunday 26th of May 2013 12:31:40 PM
Old 05-26-2013
Variable syntax error
Code:
Code:
#!/bin/csh -f

################
# Set Variables
################

set curdate = `date '+%Y%m%d'`
set datetime = `date '+%m%d%y_%H%M'`

grep abc abc.txt

echo $?

exit(0)

Ideally this should return status 2 since there is no file called as abc.txt in my directory.. but it throws a variable syntax error

---------- Post updated at 11:31 AM ---------- Previous update was at 11:28 AM ----------

my actual need is I should have a script which should call a script 1.sc and when it is success it should call 2.sc and when then so on .. the 2nd script should not run unless 1.sh is completed.
I tried using ps -ef | grep scriptname | awk '{print $2}' , but it always returns some PID . so i tried using echo $? .. please corrct me if my logic is wrong ..
Last edited by Franklin52; 05-27-2013 at 03:09 AM.. Reason: Code tags
 

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LEARN ABOUT LINUX

zegrep

ZGREP(1)                                                      General Commands Manual                                                     ZGREP(1)

NAME

       zgrep - search possibly compressed files for a regular expression

SYNOPSIS

       zgrep [ grep_options ] [ -e ] pattern filename...

DESCRIPTION

       Zgrep  invokes  grep  on  compressed  or  gzipped  files.   These  grep  options  will  cause  zgrep  to  terminate  with  an  error  code:
       (-[drRzZ]|--di*|--exc*|--inc*|--rec*|--nu*).  All other options specified are passed directly to grep.  If no file is specified,  then  the
       standard input is decompressed if necessary and fed to grep.  Otherwise the given files are uncompressed if necessary and fed to grep.

       If the GREP environment variable is set, zgrep uses it as the grep program to be invoked.

EXIT CODE

       2 - An option that is not supported was specified.

AUTHOR

       Charles Levert (charles@comm.polymtl.ca)

SEE ALSO

       grep(1), gzexe(1), gzip(1), zdiff(1), zforce(1), zmore(1), znew(1)

                                                                                                                                          ZGREP(1)
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