I started writing the code but got stuck. I thought using recursion may be a smart way, but its not working. Kindly help
Code:
#!/bin/sh
findFiles()
{
thisDIR=$1
#cd $thisDIR
for eachFile in `ls $thiDIR`
do
if [ "$eachFile" = "$FILE" ]; then
echo "$FILE found in $thisDIR"
elif [ -d $eachFile ]; then
findFiles ${thisDIR}/${eachFile}
fi
done
}
if [ $# -ne 2 ]; then
echo "Please run the script as $0 NameOfFile PathToDirectory"
exit 1
fi
FILE=$1
DIR=$2
findFiles $DIR
A few things stand out:
Code:
thisDIR=$1
I seriously doubt you want a nested call to the function to stomp on a variable that is still in use by its parent. This approach requires that each instance of the function maintain its own private version of $thisDIR; the variable needs to be local.
Code:
for eachFile in `ls $thiDIR`
Shouldn't that be "$thisDIR"? Also, note that using command substitution in that manner means that it is impossible for the loop to properly handle filenames with IFS characters (by default, space, tab, and newlines).
Code:
[ -d $eachFile ]
The "ls $thisDIR" command returns basenames, not an absolute path. Your code does not cd into the directory being ls'd; the -d test will never be correct, as it will be testing for the presence of a directory whose name was taken from a location other than the current working directory (which with the cd commented out, will remain unchanged for the duration of the script's execution).
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