scripts/replace

   1 #!/bin/bash
   2
   3 # This is a script to replace one regular expression with another.  Call
   4 # it like `replace "foo bar" "bar foo"` to replace all "foo bar" text with
   5 # "bar foo".  By default it does replacement in *.[ch] files but this can
   6 # be edited down below.
   7
   8 files=`find . -name "*.[ch]"`
   9 #files=pango.diff
  10 #files=`find . -type f -name "Makefile.am"`
  11 #files=`find . -type f| grep -v CVS`
  12 #files=`find . -name "*.ruleset"`
  13
  14 echo Replacing \"$1\" with \"$2\".
  15
  16 for file in $files; do
  17     cat $file \
  18         | sed "s/$1/$2/g" \
  19         > $file.$$
  20
  21     cmp $file $file.$$ >/dev/null \
  22         || (mv $file.$$ $file && echo "  $file")
  23     rm -f $file.$$
  24 done