10 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
Hello! I'd like some help with a sentance, this 'if' should take a string from the user, then search my list for that string, now only those lines that string is found should be worked on.
I'm new to this, but i'm guessing it's something like this..
#!/bin/bash
... (10 Replies)
Discussion started by: klskl
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2. Shell Programming and Scripting
Hello;
I have a file consists of 4 columns separated by tab. The problem is the third fields. Some of the them are very long but can be split by the vertical bar "|". Also some of them do not contain the string "UniProt", but I could ignore it at this moment, and sort the file afterwards. Here is... (5 Replies)
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3. Shell Programming and Scripting
Hi,
There's a long sentence from which I need to extract only the part which is at the right side of the word LENGTH i.e. 15
long sentence :
<INPUT VAR1 ="" DATATYPE ="number(p,s)" VAR2 ="" VAR3 ="3" VAR4="0" VAR5 ="ELEMITEM" VAR6 ="NO" VAR7 ="NOT A KEY" VAR8 ="17" LEVEL ="0" NAME... (3 Replies)
Discussion started by: dips_ag
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4. Shell Programming and Scripting
I would like to check with grep in this configuration file:
{
"alt-speed-down": 200,
"alt-speed-enabled": true,
"alt-speed-time-begin": 1140,
"alt-speed-time-day": 127,
"...something..." : true,
...
}
"alt-speed-enabled" (the third line of the file) is setted to... (2 Replies)
Discussion started by: ciro314
2 Replies
5. Shell Programming and Scripting
Hi,
I think my problem is a "simple" one to resolve. What i am looking for is a way in sed/awk to split a long line/paragraph into say 5 words per line.
For example:
Sentence/paragraph contains: 102 103 104 105 106 107 109 110 ....
I would like the output to be (if splitting every 5... (5 Replies)
Discussion started by: muay_tb
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6. UNIX for Dummies Questions & Answers
Hi People,
I need some Help to write a unix script that asks for a sentence to be typed out then with the sentence. Counts the number of spaces within the sentence and then echo's out "The Number Of Spaces In The Sentence is 4" as a example
Thanks
Danielle (12 Replies)
Discussion started by: charlie101208
12 Replies
7. Shell Programming and Scripting
Hi,
I need to create a table with random sentences. I need lines that are upto 1000 characters in lenght. I need a random sentence generator that will create sentences and output it to a text file. The sentences should be of lenght varying from 1 to 1000.
Does anyone know how this can be... (7 Replies)
Discussion started by: kaushys
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8. Shell Programming and Scripting
Hi,
I have a string as
str="route net,-hopcount,1,255.255.255.0,10.230.20.111,10.230.20.234 Route True route net,-hopcount,0,-netmask,255.255.248.0,0,10.230.23.254 Route True"
I need to split this string into two lines as
route net,-hopcount,1,255.255.255.0,10.230.20.111,10.230.20.234... (4 Replies)
Discussion started by: chaitanyapn
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9. UNIX for Dummies Questions & Answers
Hi,
I have a big file like this:
BBR 0004186 916 H $$a
BBR 0031086 916 H $$a
BBR 0032551 916 H $$a
BBR 0035481 916 H $$a
I would like to add globally a senetence :
BBR 0004186 916 H $$a new acquisition
How i'll do it?
Thanks. (3 Replies)
Discussion started by: gilead29
3 Replies
10. UNIX for Dummies Questions & Answers
Can you grep for a sentence. I have to search logs everyday at work and I was wondering if I could search for a string of words instead of just one.
for example, if I had to find this sentence:
"Received HTTP message type"
How would I grep it (2 Replies)
Discussion started by: eloquent99
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FLOCK(1) BSD General Commands Manual FLOCK(1)
NAME
flock -- Provide locking API for shell scripts
SYNOPSIS
flock [-dnosvx] [-w timeout] lockfile|lockdir [-c command] | [command ...]
flock [-dnsuvx] [-w timeout] lockfd
DESCRIPTION
The flock utility provides flock(2) access to the command line or scripts. The first form locks a file or directory while the command pro-
vided is executed. If the file or directory does not exist, then a file is created.
The second form can use an arbitrary file descriptor that is provided from a shell script for example:
(
flock -s 100
# commands to be executed under the lock
) 100> /path/to/lockfile
The following options are available:
-c command Pass a command to a the shell.
-d, --debug Provide debugging output.
-n, --nb, --nonblock
Don't block and fail immediately if the lock could not be obtained.
-o, --close Close the file before executing the command. This is useful if the child forks and should not be holding the lock.
-s, --shared Obtain a shared lock.
-u, --unlock Unlock an existing lock. This is available only for a file descriptor.
-v, --verbose On error print an explanation of the failure.
-w, --wait, --timeout seconds
Fail if the lock could not be obtained after seconds.
-x, --exclusive Obtain an exclusive lock.
EXIT STATUS
The flock utility exits 0 on success, and >0 if an error occurs.
SEE ALSO
shlock(1), flock(2)
HISTORY
An flock utility appeared in NetBSD 6.1.
BSD
November 2, 2012 BSD