Shell Programming and Scripting

#!/bin/bash

SEARCHQUERY="searchword1 searchword2 searchword3";

for WORD in $SEARCHQUERY
do
    GREPINPUT=$GREPINPUT" | grep --ignore-case --files-with-matches -e '$WORD'";
done

FINDFILES=$(find . -maxdepth 2 -name \*.c -type f $($GREPINPUT));

cd /home/users/; grep -R "keyword" * | gawk -F: '{ print $1 }' >> output.txt

#!/bin/bash
SEARCHQUERY="searchword1|searchword2|searchword3"
FINDFILES=$(find . -maxdepth 2 -name \*.c -type f |xargs egrep -lie "$SEARCHQUERY")

FINDFILES=$(find . -maxdepth 2 -name \*.c -type f -exec egrep -lie "$SEARCHQUERY" {} \; )

SEARCHQUERY="searchword1.*searchword2.*searchword3"

#!/bin/bash
Q1="searchword1"; Q2="searchword2"; Q3="searchword3";
FINDFILES=$(find . -maxdepth 2 -name \*.c -type f |xargs grep -li "$Q1"|xargs grep -li "$Q2"|xargs grep -li "$Q3")