UNIX for Dummies Questions & Answers

#!/bin/csh -f

if ($#argv != 2) then
  echo "Usage $0 DirecotryPath Inputfilename"
  exit 1
endif

set dir=$1
set fname=$2
echo $dir

foreach line ( `cat $fname` )

echo \ ========================================  >> OBSELETE.lst
echo \ String "$line" found in the below files   >> OBSELETE.lst
echo \ ======================================== \ >>OBSELETE.lst
echo -n             >> OBSELETE.lst
`echo -n grep -ilr $line $dir`  >> OBSELETE1.lst
end

-E use extended regexes
-i ignore char case
-r scan directories recursively
-o print matched string

$ dir=.
$ line="ABC|awk"              # extended regex: match ABC -OR- awk; with -i: either case
$ grep -Eior $line $dir

./awk/tranposehugefile:ABC
./awk/separateHtmlMail:abc
./awk/tranposehugefile:awk
./awk/merge2:awk
.
.
.
./awk/lowertriangmatrix:awk
./safe/solutions~:awk