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Linux/UNIX/POSIX Shell Script  |  1992-03-24  |  649 b   |  29 lines
  1. #!/bin/sh
  2. #
  3. # Poor man's grep -i: For those systems that do not support the -i flag to
  4. # grep.
  5. # 
  6. # Author: Erik-Jan Vens.  E.J.Vens@icce.rug.nl
  7. #
  8. # To use, edit src/defs.h and redefine the symbol GREP as follows:
  9. #
  10. #define GREP         "pmigrep" /* "grep -i" */
  11.  
  12. if [ "$1" = "" ]; then
  13.         echo "Usage: pmigrep <pattern> <file>"
  14.         exit
  15. fi
  16. if [ "$2" = "" ]; then
  17.         echo "Usage: pmigrep <pattern> <file>"
  18.         exit
  19. fi
  20.  
  21. PAT=`echo "$1"|tr '[a-z]' '[A-Z]'`
  22. cat $2|tr '[a-z]' '[A-Z]'>/tmp/$2.$$
  23. LINENOS=`grep -n ${PAT} /tmp/$2.$$|sed 's/\([0-9][0-9]*\):.*/\1p/g'`
  24. rm /tmp/$2.$$
  25. for CLO in ${LINENOS}
  26. do
  27.         sed -n "${CLO}" $2
  28. done
  29.