rosapps/mc/mcfn_install

   1 #/bin/sh
   2 #
   3 prefix=/usr/local
   4 if test -n `echo $prefix | grep prefix`; then
   5     prefix=/usr/local
   6 fi
   7 if test x$BASH = x; then
   8     BASHRC=
   9 else
  10     BASHRC=~/.bashrc
  11 fi
  12 if test "x$EUID" = x0; then
  13     PROFILE=/etc/profile
  14 else
  15     PROFILE=~/.profile
  16 fi
  17 if test -f $PROFILE; then
  18     A=`grep "mc ()" $PROFILE`
  19     B=
  20     if test -n "$BASHRC"; then
  21         if test -f $BASHRC; then
  22             B=`grep "mc ()" $BASHRC`
  23         fi
  24     fi
  25     if test -n "$A"; then
  26         :
  27     else
  28         if test -n "$B"; then
  29             :
  30         else
  31             A=`typeset -f | grep "mc ()" 2>/dev/null`
  32             if test ! -n "$A"; then
  33                 echo "mc () installation."
  34                 if test -n "$BASHRC"; then
  35                     echo "While examining your $PROFILE and $BASHRC,"
  36                 else
  37                     echo "While examining your $PROFILE,"
  38                 fi
  39                 echo "I've found that you have no mc () function defined there."
  40                 echo "This function enables a feature of mc(1) that when you leave mc(1),"
  41                 echo "you return to a directory where you were in mc just before exiting"
  42                 echo "and not to the directory you've started mc from."
  43                 echo "Would you like to append"
  44                 echo 'mc () { MC=`'$prefix'/bin/mc -P "$@"`; [ -n "$MC" ] && cd "$MC"; unset MC };'
  45                 if test -n "$BASHRC"; then
  46                     echo "function to your (p) $PROFILE (mc function will be active in your login shells)"
  47                     echo -n "or to your (b) $BASHRC (in every bash instance) or (n) no? [p|b|n] "
  48                 else
  49                     echo -n "function to your $PROFILE? [y|n] "
  50                 fi
  51                 read rep
  52                 if test -n "$BASHRC"; then
  53                     INITFILE=$BASHRC
  54                 else
  55                     INITFILE=$PROFILE
  56                 fi
  57                 case $rep in
  58                     [Nn]*) exit ;;
  59                     [Pp]*) INITFILE=$PROFILE ;;
  60                 esac
  61                 echo >>$INITFILE
  62                 echo 'mc () { MC=`'$prefix'/bin/mc -P "$@"`; [ -n "$MC" ] && cd "$MC"; unset MC };' >>$INITFILE
  63                 echo "mc () function appended to your $INITFILE"
  64             fi
  65         fi
  66     fi
  67 fi