Programming Forums - View Single Post

Infinite Recursion · Apr 6th, 2005, 9:08 AM

Try this:

#Filename: user_retrieval : Author: L.Pearce
 
function grepfunction
{
 
cat $filename | $gtool $parameter
 
}
 
#:::How does a user type data to be stored in a variable?:::
#-------------------------------------------------------------
echo
echo
echo ":::Retrieval of Information using 'Grep':::"
echo
echo "enter the tool you are using here:"
read gtool
echo "$gtool was the tool you typed"
echo
echo
echo
echo
#:::Similarly, a user can specify a parameter to be stored in a variable:::
#-------------------------------------------------------------------------
echo
echo
echo "enter the parameter you wish to search by:"
read parameter
echo "$parameter was the parameter you typed"
echo
echo
echo
echo
 
#:::And, a user can specify a filename to be stored in a variable:::
#-------------------------------------------------------------------------
echo
echo
echo "Enter file name to be searched"
read filename
if [ -r "$filename" -a -f "$filename" ]
then
clear
 
#:::How can the data stored in that variable be used to search a file?:::
#------------------------------------------------------------------------
#By calling the function "grep function"
 
grepfunction
else
echo "Could not search!"
[jpowers@adsl-065-005-212-144 test]$ more grepit.sh
#Filename: user_retrieval : Author: L.Pearce
 
function grepfunction
{
 
cat $filename | $gtool $parameter 
 
}
 
#:::How does a user type data to be stored in a variable?:::
#-------------------------------------------------------------
echo
echo
echo ":::Retrieval of Information using 'Grep':::"
echo
echo "enter the tool you are using here:"
read gtool
echo "$gtool was the tool you typed"
echo
echo
echo
echo
#:::Similarly, a user can specify a parameter to be stored in a variable:::
#-------------------------------------------------------------------------
echo
echo
echo "enter the parameter you wish to search by:"
read parameter
echo "$parameter was the parameter you typed"
echo
echo
echo
echo
 
#:::And, a user can specify a filename to be stored in a variable:::
#-------------------------------------------------------------------------
echo
echo
echo "Enter file name to be searched"
read filename
if [ -r "$filename" -a -f "$filename" ]
then
clear
 
#:::How can the data stored in that variable be used to search a file?:::
#------------------------------------------------------------------------
#By calling the function "grep function"
 
grepfunction
else
echo "Could not search!"
fi
echo
echo
echo "The entries above match your search"
echo
echo
echo "It is as easy as:-"
echo "1. (Type tool) grep"
echo "2. (Type parameter) a name"
echo "3. (Type the name of the file) Myfile"
echo
echo "All you have to do is type the command at the $ prompt!"

#Filename: user_retrieval : Author: L.Pearce
 
function grepfunction
{
 
cat $filename | $gtool $parameter
 
}
 
#:::How does a user type data to be stored in a variable?:::
#-------------------------------------------------------------
echo
echo
echo ":::Retrieval of Information using 'Grep':::"
echo
echo "enter the tool you are using here:"
read gtool
echo "$gtool was the tool you typed"
echo
echo
echo
echo
#:::Similarly, a user can specify a parameter to be stored in a variable:::
#-------------------------------------------------------------------------
echo
echo
echo "enter the parameter you wish to search by:"
read parameter
echo "$parameter was the parameter you typed"
echo
echo
echo
echo
 
#:::And, a user can specify a filename to be stored in a variable:::
#-------------------------------------------------------------------------
echo
echo
echo "Enter file name to be searched"
read filename
if [ -r "$filename" -a -f "$filename" ]
then
clear
 
#:::How can the data stored in that variable be used to search a file?:::
#------------------------------------------------------------------------
#By calling the function "grep function"
 
grepfunction
else
echo "Could not search!"
[jpowers@adsl-065-005-212-144 test]$ more grepit.sh
#Filename: user_retrieval : Author: L.Pearce
 
function grepfunction
{
 
cat $filename | $gtool $parameter 
 
}
 
#:::How does a user type data to be stored in a variable?:::
#-------------------------------------------------------------
echo
echo
echo ":::Retrieval of Information using 'Grep':::"
echo
echo "enter the tool you are using here:"
read gtool
echo "$gtool was the tool you typed"
echo
echo
echo
echo
#:::Similarly, a user can specify a parameter to be stored in a variable:::
#-------------------------------------------------------------------------
echo
echo
echo "enter the parameter you wish to search by:"
read parameter
echo "$parameter was the parameter you typed"
echo
echo
echo
echo
 
#:::And, a user can specify a filename to be stored in a variable:::
#-------------------------------------------------------------------------
echo
echo
echo "Enter file name to be searched"
read filename
if [ -r "$filename" -a -f "$filename" ]
then
clear
 
#:::How can the data stored in that variable be used to search a file?:::
#------------------------------------------------------------------------
#By calling the function "grep function"
 
grepfunction
else
echo "Could not search!"
fi
echo
echo
echo "The entries above match your search"
echo
echo
echo "It is as easy as:-"
echo "1. (Type tool) grep"
echo "2. (Type parameter) a name"
echo "3. (Type the name of the file) Myfile"
echo
echo "All you have to do is type the command at the $ prompt!"

Results...

[jpowers@thebeast test]$ ./grepit.sh

:::Retrieval of Information using 'Grep':::
enter the tool you are using here:
grep
grep was the tool you typed

enter the parameter you wish to search by:
jpowers
jpowers was the parameter you typed

Enter file name to be searched
dat.dat
jpowers
jpowers
jpowers

The entries above match your search

Apr 6th, 2005, 9:08 AM	#6
Infinite Recursion Programming Guru Join Date: Jul 2004 Location: United States Posts: 3,467 Rep Power: 8	Try this: (Toggle Plain Text) #Filename: user_retrieval : Author: L.Pearce function grepfunction { cat $filename \| $gtool $parameter } #:::How does a user type data to be stored in a variable?::: #------------------------------------------------------------- echo echo echo ":::Retrieval of Information using 'Grep':::" echo echo "enter the tool you are using here:" read gtool echo "$gtool was the tool you typed" echo echo echo echo #:::Similarly, a user can specify a parameter to be stored in a variable::: #------------------------------------------------------------------------- echo echo echo "enter the parameter you wish to search by:" read parameter echo "$parameter was the parameter you typed" echo echo echo echo #:::And, a user can specify a filename to be stored in a variable::: #------------------------------------------------------------------------- echo echo echo "Enter file name to be searched" read filename if [ -r "$filename" -a -f "$filename" ] then clear #:::How can the data stored in that variable be used to search a file?::: #------------------------------------------------------------------------ #By calling the function "grep function" grepfunction else echo "Could not search!" [jpowers@adsl-065-005-212-144 test]$ more grepit.sh #Filename: user_retrieval : Author: L.Pearce function grepfunction { cat $filename \| $gtool $parameter } #:::How does a user type data to be stored in a variable?::: #------------------------------------------------------------- echo echo echo ":::Retrieval of Information using 'Grep':::" echo echo "enter the tool you are using here:" read gtool echo "$gtool was the tool you typed" echo echo echo echo #:::Similarly, a user can specify a parameter to be stored in a variable::: #------------------------------------------------------------------------- echo echo echo "enter the parameter you wish to search by:" read parameter echo "$parameter was the parameter you typed" echo echo echo echo #:::And, a user can specify a filename to be stored in a variable::: #------------------------------------------------------------------------- echo echo echo "Enter file name to be searched" read filename if [ -r "$filename" -a -f "$filename" ] then clear #:::How can the data stored in that variable be used to search a file?::: #------------------------------------------------------------------------ #By calling the function "grep function" grepfunction else echo "Could not search!" fi echo echo echo "The entries above match your search" echo echo echo "It is as easy as:-" echo "1. (Type tool) grep" echo "2. (Type parameter) a name" echo "3. (Type the name of the file) Myfile" echo echo "All you have to do is type the command at the $ prompt!" #Filename: user_retrieval : Author: L.Pearce function grepfunction { cat $filename \| $gtool $parameter } #:::How does a user type data to be stored in a variable?::: #------------------------------------------------------------- echo echo echo ":::Retrieval of Information using 'Grep':::" echo echo "enter the tool you are using here:" read gtool echo "$gtool was the tool you typed" echo echo echo echo #:::Similarly, a user can specify a parameter to be stored in a variable::: #------------------------------------------------------------------------- echo echo echo "enter the parameter you wish to search by:" read parameter echo "$parameter was the parameter you typed" echo echo echo echo #:::And, a user can specify a filename to be stored in a variable::: #------------------------------------------------------------------------- echo echo echo "Enter file name to be searched" read filename if [ -r "$filename" -a -f "$filename" ] then clear #:::How can the data stored in that variable be used to search a file?::: #------------------------------------------------------------------------ #By calling the function "grep function" grepfunction else echo "Could not search!" [jpowers@adsl-065-005-212-144 test]$ more grepit.sh #Filename: user_retrieval : Author: L.Pearce function grepfunction { cat $filename \| $gtool $parameter } #:::How does a user type data to be stored in a variable?::: #------------------------------------------------------------- echo echo echo ":::Retrieval of Information using 'Grep':::" echo echo "enter the tool you are using here:" read gtool echo "$gtool was the tool you typed" echo echo echo echo #:::Similarly, a user can specify a parameter to be stored in a variable::: #------------------------------------------------------------------------- echo echo echo "enter the parameter you wish to search by:" read parameter echo "$parameter was the parameter you typed" echo echo echo echo #:::And, a user can specify a filename to be stored in a variable::: #------------------------------------------------------------------------- echo echo echo "Enter file name to be searched" read filename if [ -r "$filename" -a -f "$filename" ] then clear #:::How can the data stored in that variable be used to search a file?::: #------------------------------------------------------------------------ #By calling the function "grep function" grepfunction else echo "Could not search!" fi echo echo echo "The entries above match your search" echo echo echo "It is as easy as:-" echo "1. (Type tool) grep" echo "2. (Type parameter) a name" echo "3. (Type the name of the file) Myfile" echo echo "All you have to do is type the command at the $ prompt!" Results... [jpowers@thebeast test]$ ./grepit.sh :::Retrieval of Information using 'Grep'::: enter the tool you are using here: grep grep was the tool you typed enter the parameter you wish to search by: jpowers jpowers was the parameter you typed Enter file name to be searched dat.dat jpowers jpowers jpowers The entries above match your search __________________ http://jasonpowers.net "There are a thousand hacking at the branches of evil to one who is striking at the root." Last edited by Infinite Recursion; Apr 6th, 2005 at 9:17 AM.