filecompare.sh

CMVC是IBM和许多跨国公司的缺陷管理工具。这里给出了很多在Linux下用KSH编写的使用CMVC命令的例子。这些例子来自于IBM内部的CMVC培训。

#!/bin/ksh
#
# SAMPLE NAME: fileCompare
#
# FUNCTIONS:   This sample shell script checksout a file and compares it with
#              the previous copy in the same directory.  The CMVC_RELEASE
#              environment variable must be set if the releaseName is not
#              specified on the command line.
#
# USAGE:       fileCompare fileName [releaseName] [relativePathName]
#
# ENVIRONMENT
# VARIABLE(S): CMVC_FAMILY [CMVC_RELEASE] [CMVC_BECOME]
#
# ORIGINS:     27
#
# 5765-039 (C) COPYRIGHT International Business Machines Corp. 1991,1993
# 5765-207 (C) COPYRIGHT International Business Machines Corp. 1993
# 5765-202 (C) COPYRIGHT International Business Machines Corp. 1993
# 5622-063 (C) COPYRIGHT International Business Machines Corp. 1993
# 5765-069 (C) COPYRIGHT International Business Machines Corp. 1991,1993
# All Rights Reserved
# Licensed Materials - Property of IBM
#
# US Government Users Restricted Rights - Use, duplication or
# disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
#
#
#           NOTICE TO USERS OF THE SOURCE CODE EXAMPLES
#
# INTERNATIONAL BUSINESS MACHINES CORPORATION PROVIDES THE SOURCE CODE
# EXAMPLES, BOTH INDIVIDUALLY AND AS ONE OR MORE GROUPS, "AS IS" WITHOUT
# WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT
# LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
# PARTICULAR PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE
# OF THE SOURCE CODE EXAMPLES, BOTH INDIVIDUALLY AND AS ONE OR MORE GROUPS,
# IS WITH YOU.  SHOULD ANY PART OF THE SOURCE CODE EXAMPLES PROVE
# DEFECTIVE, YOU (AND NOT IBM OR AN AUTHORIZED RISC System/6000* WORKSTATION
# DEALER) ASSUME THE ENTIRE COST OF ALL NECESSARY SERVICING, REPAIR OR
# CORRECTION.
#
# * RISC System/6000 is a trademark of International Business Machines
#   Corporation.
#
# /usr/lpp/cmvc/samples/fileCompare
#
if [ $# -eq 0 ]
then
        echo "\nusage: $0 fileName [releaseName] [relativePathName]\n"
        echo "This sample shell script gets a file, locks it and compares it"
        echo "with the previous copy in the same directory.  The CMVC_RELEASE"
        echo "environment variable must be set if the releaseName is not"
        echo "specified on the command line.\n"
        exit 1
fi

if [ -z "$CMVC_FAMILY" ]
then
  echo "The CMVC family must be set with the CMVC_FAMILY environment variable."
  exit 1
fi

#
if [ -z "$2" ]
then
        if [ -z "$CMVC_RELEASE" ]
        then
                echo "The Release must be set in environment or given on the command line."
                exit
        else
                release=$CMVC_RELEASE
        fi
else
        release=$2
fi

if [ -z "$3" ]
then
  # issue the File command without the relative flag
  File -checkout $1 -release $release

  # exit if bad rc
  if [ $? -ne 0 ]
  then
        exit 1
  fi

else
  # issue the File command with the relative flag
  File -checkout $1 -release $release -relative $3

  # exit if bad rc
  if [ $? -ne 0 ]
  then
        exit 1
  fi

fi

# determine the basename of the file
bname=$(basename $1)

# determine the pathname of the file
pname=$(dirname $1)

if [[ "$pname" = "." ]]
then
  if [ -z "$3" ]
  then
    echo "diff $1 .$1"
    diff $1 .$1
  else
    echo "diff $3/$1 $3/.$1"
    diff $3/$1 $3/.$1
  fi
else
  if [ -z "$3" ]
  then
    echo "diff $1 $pname/.$bname"
    diff $1 $pname/.$bname
  else
    echo "diff $3/$1 $3/$pname/.$bname"
    diff $3/$1 $3/$pname/.$bname
  fi
fi