Visit Our UNIX and Linux User Community


searching a file with a specified text without using conventional file searching commands


 
Thread Tools Search this Thread
Top Forums Shell Programming and Scripting searching a file with a specified text without using conventional file searching commands
# 1  
Old 08-28-2011
searching a file with a specified text without using conventional file searching commands

without using conventional file searching commands like find etc, is it possible to locate a file if i just know that the file that i'm searching for contains a particular text like "Hello world" or something?
# 2  
Old 08-28-2011
Code:
 
find . -type f | xargs grep -il "hello world"

# 3  
Old 08-28-2011
without using find .. or for that matter without using conventional file searching commands
# 4  
Old 08-28-2011
Try this strawman and expand as required...

Code:
#!/bin/sh
for i in `ls -R`
do
   cat $i | grep "Hello World"
done

Note this only return the string. If you want to include the filename as well, then echo $i somewhere...
# 5  
Old 08-28-2011
A question like "without using ...." smells of homework, if not 100%, its almost 99%.. Any reason why you cannot use find?
# 6  
Old 08-28-2011
grep, egrep, fgrep - print lines matching a pattern, so not a find-like utility.

Code:
grep "Hello World" -iR


Previous Thread | Next Thread
Test Your Knowledge in Computers #577
Difficulty: Medium
If a language offers automated memory management, it is not possible to have memory leaks and other memory allocation issues.
True or False?

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Need help searching through a text file.

I'm trying to get one specific number out of a text file, in order to use as part of an algorithm in a shell script. It will always come after a specific string and that string won't appear anywhere else in the file. So I'm trying to search through the file for that one string, then grab the... (2 Replies)
Discussion started by: mikedigornio
2 Replies

2. Shell Programming and Scripting

Help in searching a multiple text in zip file

Hi Gurus, i have 8 zipped files and each file is having more than 100,000 records or more. issue :- i want to search the missing text from each zipped files i have stuck here, the below command works fine if i give the value 10 for the deptno. if i have more than 1 records... (6 Replies)
Discussion started by: SeenuGuddu
6 Replies

3. Shell Programming and Scripting

Need help with searching and copying in a text file

Hi, I need help searching through a large text file. I need to find a certain string within the text, and copy each line until another string appears. The file looks like this: >scf15164843 ATTAAAGGNNNGGAATTTCCCCAA ATTACCGGCTTTAAANNNTTACCC >scf15154847 CCGGGNNNTTTAAACCCGNGNGCC... (2 Replies)
Discussion started by: repiv
2 Replies

4. Shell Programming and Scripting

Inserting text into a file but searching for the place to put it!

Hi I would love a bit of help with a problem im having with a script. I need to insert a line of text which is saved in a variable called $fwInsert into a file whos name is saved in a variable called $server but it needs to be in a certain order. The file is a forward file for a network and... (12 Replies)
Discussion started by: KatieV
12 Replies

5. UNIX for Dummies Questions & Answers

Searching a text file and assigning it to a variable

Hi Gurus, I am new to unix.I have a requirement as below I have text file like a.txt which contains a.txt hi hello process update status Ok to Proceed no issues good data arrangement My requirement here is i need to read the file and check for the words "OK to Proceed" and if... (2 Replies)
Discussion started by: pssandeep
2 Replies

6. Shell Programming and Scripting

PERL: Searching for a string in a text file problem

Looking for a bit of help. I need to search for a string of words, but unfortunately these words are located on separate lines. for example the text output is: United Chanmpions Ronaldo Liverpool Losers Torres and my script code is print("DEBUG - checking file message"); while... (15 Replies)
Discussion started by: meevagh
15 Replies

7. UNIX for Dummies Questions & Answers

Searching for text in a Space delimited File

Hi I am trying to search a firewall syslog space delimeted file for all of the different tcp and udp destination ports. I know that grep will find lines that contain specific text. And I have tried using the the the cut command to cut out of the file certain colums. However the test I am... (6 Replies)
Discussion started by: andyblaylock
6 Replies

8. UNIX for Dummies Questions & Answers

Searching directory for file that contains some text.

If I go into a directory and type in .. more * | grep foo I get the lines of text that contain foo in all of the files in the directory out of all of the files that are there. How do I make it so I can find out what the names of the files are that contain that text "foo"? By doing what I... (4 Replies)
Discussion started by: LordJezo
4 Replies

9. Shell Programming and Scripting

searching each file in a directory for text

what command can i use to search the files in a directory for a text. the output would list the files containing the text. ive tried this but it is not exactly what im looking to do: find . -name "*.xml" -exec agrep searchstring {} \; (2 Replies)
Discussion started by: jim majors
2 Replies

10. Shell Programming and Scripting

Help with searching a text file

Hello all! I've been working for days on this and it is really bugging me!! Here's my dilemma: Say I have a very large text file which contains fields delimited my a ':' which logs various records. Each record is separated by a newline character, therefore I can search for lines with... (6 Replies)
Discussion started by: thekid2
6 Replies

Featured Tech Videos