data/utilities/replaceAllShellSun

   1 #!/usr/xpg4/bin/sh
   2
   3 # Replace all shell script headers with
   4 if [ $# -ne 1 -o ! -d "$1" ]; then
   5     echo "Usage: `basename $0` <dir>"
   6     echo ""
   7     echo "Replaces all occurrences of #!/bin/sh with #!/usr/xpg4/bin/sh inside a directory tree."
   8     exit 1
   9 fi
  10
  11 inlineReplace() {
  12   if [ $# -lt 3 ]; then
  13     echo "Usage: inlineReplace <string1> <string2> <file1> .. <filen>"
  14     echo ""
  15     echo "Replaces all occurrences of string1 by string2 in files."
  16     echo "(replacement of sed -i on those systems that don't support it)"
  17     exit 1
  18   fi
  19   FROMSTRING=$1
  20   shift
  21   TOSTRING=$1
  22   shift
  23
  24   for f in $*
  25   do
  26     if grep "$FROMSTRING" "$f" >/dev/null
  27     then
  28       cp "$f" "${f}_bak"
  29       sed -e "s@$FROMSTRING@$TOSTRING@g" "${f}"_bak > "$f"
  30       rm -f "${f}"_bak
  31     fi
  32   done
  33 }
  34
  35 find $1 -type f -print | \
  36 while read f; do
  37   inlineReplace '^#\!/bin/sh' '#\!/usr/xpg4/bin/sh' "$f"
  38 done
  39