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Full Discussion: Check file sequence script not working. Need help.
Operating Systems OS X (Apple) Check file sequence script not working. Need help. Post 302516866 by Corona688 on Monday 25th of April 2011 12:42:14 PM
Old 04-25-2011
You agreed not to bump posts when you registered.

You're certainly not running it in bash, not sure why you mention it at all.

I see nothing in that code which would have ever added leading zeroes to your strings.

There's plenty of things in your script which in a bourne shell would be "useless use of ls *" and the like but in csh these constructs may actually be necessary...

But whether your shell be csh or zsh or whatever you can't exit -1, that value's nonsensical. It has to be a positive value between 0-255 inclusive.

Most of us aren't too fluent in CSH for a variety of reasons which cts already linked. You'd do better to learn a real scripting language. Trying a solution in bash for you.

I surmise that the version of csh you used to use had these :r etc string operations. Mine certainly doesn't and may be what broke down when you brought this script over.

---------- Post updated at 10:42 AM ---------- Previous update was at 09:49 AM ----------

Code:
#!/bin/bash

MAX=0   MIN=999999      TOTAL=0

# Don't have functions in csh.  Can't redirect to stderr properly either.
function die    # Print an error message to stderr, return 1
{
        echo "$@" >&2   ;       exit 1
}

[ "$#" -ne 1 ] && die "Usage: $0 <prefix>"      # Die unless exactly 1 arg

# Loop over all files.  (NOTE: May exceed argmax in other shells)
for I in ${1}.[0-9][0-9][0-9][0-9][0-9].dpx
do
        [ -f "$I" ] || die "No files found for prefix $1"
        # csh doesn't have a proper 'read'.  You can read from your TTY, that's it
        IFS="." read G C G <<< "$I"     # Extract number from string

        # Strip all leading zeroes
        while [ "${C:0:1}" == "0" ] && [ ! -z "${C:1:1}" ]
        do
                C="${C##0}"
        done

        [ "$C" -gt "$MAX" ] && MAX=$C   # Update max
        [ "$C" -lt "$MIN" ] && MIN=$C   # Update min
        ((TOTAL++))
done

for ((N=MIN; N<=MAX; N++))
do
        FILE=$(printf "%s.%05d.%s" "$1" $N "dpx")

        [ -f "$FILE" ] || echo "$FILE missing" >&2
done

[ "$TOTAL" -lt "$(((MAX-MIN)+1))" ] &&
        die "$((((MAX-MIN-TOTAL)+1))) files missing"

printf "No files missing in %s.%05d.dpx - %s.%05d.dpx\n" $1 $MIN $1 $MAX >&2

exit 0

Last edited by Corona688; 04-25-2011 at 05:28 PM.. Reason: Moved TOTAL++ to simplify code
 

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LEARN ABOUT OPENSOLARIS

setusershell

getusershell(3C)					   Standard C Library Functions 					  getusershell(3C)

NAME

       getusershell, setusershell, endusershell - get legal user shells

SYNOPSIS

       #include <unistd.h>

       char *getusershell(void);

       void setusershell(void);

       void endusershell(void);

DESCRIPTION

       The  getusershell()  function  returns  a  pointer  to  a  legal  user  shell  as defined by the system manager in the file /etc/shells. If
       /etc/shells does not exist, the following locations of the standard system shells are used in its place:

	 /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/pfsh		    /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
	 /usr/bin/sh		    /usr/bin/tcsh
	 /usr/bin/zsh		    /usr/sfw/bin/zsh
	 /usr/xpg4/bin/sh

       The getusershell() function opens the file /etc/shells, if it exists, and returns the next entry in the list of shells.

       The setusershell() function rewinds the file or the list.

       The endusershell() function closes the file, frees any memory used by getusershell() and setusershell(), and rewinds the file /etc/shells.

RETURN VALUES

       The getusershell() function returns a null pointer on EOF.

BUGS

       All information is contained in memory that may be freed with a call to endusershell(), so it must be copied if it is to be saved.

NOTES

       Restricted shells should not be listed in /etc/shells.

SunOS 5.11							    1 Nov 2007							  getusershell(3C)
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