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Help with if then sentence (string in file)

 
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Top Forums UNIX for Dummies Questions & Answers Help with if then sentence (string in file)
# 8  
Old 03-27-2014
Quote:
Originally Posted by vbe
I suggest you write a script that accepts an input, lets call it OPT1, then grep that value in your file, and displays what is found.
Once that is achieved, You explain from the result what more you want...
So far for this script you need a read and grep , perhaps should we have an if if grep returns nothing...
okey! ty, I'll probably be back alittle later, but this is something to go on Smilie

---------- Post updated at 09:37 AM ---------- Previous update was at 09:36 AM ----------

Quote:
Originally Posted by sea
Use getopts (the bultin one ; getopt is an external) to parse arguments.
Once got familiar, it is very powerfull and helps alot in error handling/fetching Smilie

Search this Forum about it, has quite a lot threads on this Topic.
Will do!
# 9  
Old 03-27-2014
Try this

Code:
#!/bin/bash

addresses=/absolute_path_to_your_adresses_file/adresses.txt

read -p "Insert the word to search here : " word
grep -iq $word $addresses
if [ $? -eq 0 ]; then
grep -i $word $addresses
else
echo "the country/city you searched doesn;t exist in our list"
fi

you can edit the output format.
Also important I used 'grep -i' so the search for the country/city is done disregarding small or capitol letters. I mean if you type 'sweden' it will return also the line containing 'Sweden' .
if you don't like it, you can delete '-i' option
This User Gave Thanks to black_fender For This Post:
klskl
# 10  
Old 03-27-2014
Quote:
Originally Posted by black_fender
Try this

Code:
#!/bin/bash

addresses=/absolute_path_to_your_adresses_file/adresses.txt

read -p "Insert the word to search here : " word
grep -iq $word $addresses
if [ $? -eq 0 ]; then
grep -i $word $addresses
else
echo "the country/city you searched doesn;t exist in our list"
fi

you can edit the output format.
Also important I used 'grep -i' so the search for the country/city is done disregarding small or capitol letters. I mean if you type 'sweden' it will return also the line containing 'Sweden' .
if you don't like it, you can delete '-i' option
works like a charm man! ty

and thanks to everyone who took the time!
# 11  
Old 03-27-2014
Could be shorten to:
Code:
read -p "Insert the word to search here : " word

if ! grep -i $word $addresses ; then
     echo "the country/city you searched doesn;t exist in our list"
fi

Because if it success', it'll print the desired Output anyway.
 
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