How to disp the lines number

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How to disp the lines number

Original Message

Name: thomas leung
Date: September 8, 2006 at 22:57:23 Pacific
Subject: How to disp the lines number
OS: Linux red hat 9
CPU/Ram: P4

Comment:

Sir,
I have 1 assignment need to do the following task:-
Write a script that finds each line in a file that contains a specified substring (not a
regrep). To test the script creates a file of at least 20 lines. Display the result in the following format:-
LIne Number: Line contents
Please advise the method / hints.
thanks!
regards,
thomas

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Response Number 1

Name: lchi2000g
Date: September 9, 2006 at 16:21:23 Pacific
Subject: How to disp the lines number

Reply: (edit)

grep -n stringtofind infile.txt
Luke Chi

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Response Number 2

Name: thomas leung
Date: September 12, 2006 at 04:34:35 Pacific
Subject: How to disp the lines number

Reply: (edit)

Sorry! I forgot to write down 1 more criteria for my assignment:
The criteria is:
Do not apply "grep" to the whole file but loop over the file line by line.
thanks!
regards,
thomas

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Response Number 3

Name: lchi2000g
Date: September 12, 2006 at 05:13:19 Pacific
Subject: How to disp the lines number

Reply: (edit)

==> input.txt:
S,101,TEX.10000003,G,1,02,N
S,101,TEX.10000004,G,1,02,N
S,101,TEX.10000005,G,1,02,N
S,101,TEXXX.10000002,G,1,02,N
S,101,TEX.10000001,G,1,02,N
S,101,YYTEX.00000004,G,1,02,N
S,101,TEX.10000106,G,1,02,N
==> script: 1.sh
$ cat 1.sh
#!/bin/ksh
cat input.txt | while read LINE
do
echo $LINE | grep -n TEXXX -
done
==> run:
$ ./1.sh
1:S,101,TEXXX.10000002,G,1,02,N

Luke Chi

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Response Number 4

Name: thomas leung
Date: September 12, 2006 at 06:58:02 Pacific
Subject: How to disp the lines number

Reply: (edit)

Luke Chi,
I have done it.
Thanks to your sript.
regards,
thomas

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Response Number 5

Name: lchi2000g
Date: September 12, 2006 at 08:39:36 Pacific
Subject: How to disp the lines number

Reply: (edit)

You're welcome
Luke Chi

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