i was think of this again and i thought of this one
Code:
[c_d@localhost pipesnfilters]$ cat f1 f2 | sort -u 1>f1
[c_d@localhost pipesnfilters]$ cat f1
the quick brown fox jumped over the lazy dog
this is file1
this is file2
this is unix
who let the dogs out
[c_d@localhost pipesnfilters]$
any advise on this ? any cases where it could fail?
EDIT: now i see that in your above post you gave the same answer...why would it fail ? and in what cases?
hi, new to to forum...
i've been trying to create a script in tcsh but i'm having a problem with one thing...
the script has to keep log of it's input and output so i'm using
tee -a log | script | tee -a log
this keeps the logs as asked, but it gives me an extra empty prompt (not in the... (0 Replies)
Hi,
Is there anyway to duplicate output without using tee?
Let me explain the problem.
We are use ssh to login to remote server and save output to a file using tee commands for auditing purposes. When we use vi editor in ssh session, letters get garbled and cant really use vi. Without tee it... (7 Replies)
Hi,
I would like to process, filter the same ASCII asynchronous live data stream in more than one pipe pipeline.
So the one pipeline should filter out some records using grep key word
and more than one pipes pipelines
each should grep for another key words, each set seperately for each... (5 Replies)
I'm redirecting the output of a command to a logfile, however, if the user is on a terminal I would also like the output to be displayed on the screen.
tar tvf some_tarfile >Logfile
if the user is on a term then have the output to the Logfile and also be displayed on the screen at the same... (2 Replies)
Hi there
I have a script that runs but it outputs everything onto the screen instead of a file.
I've tried using the > outputfile.txt however all it does is dump the output to the screen and creates an outputfile.txt but doesn't put anything in that file.
Any help would be appreciated
... (6 Replies)
Hi,
When I run the following command in terminal it works. The string TEST is appended to a file silently.
echo TEST | tee -a file.txt &>/dev/null
However, when I paste this same line to a file, say shell1.sh, and use bourne shell .
I run this file in terminal, ./shell1.sh.
However I... (1 Reply)
We have an application here that does some table queries and then prints the result on screen. I do not have the code of this application (which i will just call "queryCommand"), but what it does is that you call it with some parameters and it prints some info about the query and then the... (5 Replies)
Hello i am trying to write a script that will redirect the output to a certain file. Here is the code so far:
#!/bin/bash
ps -e | sort | more > psfile
When I execute the script nothing happens since i assume the output was redirected to the file called psfile. When I try to look at the... (1 Reply)
Hi
I am making a script where i want to redirect the output of ls -l to a file
Example
#ls -l fil1.txt > /opt/temp/a.txt
ac: No such file or directory
I want to capture output of this command
like here output is
ac: No such file or directory
can anyone help (4 Replies)
Hi all
I was wondering if there was a slicker way of doing this without the file -
awk '{print $2}' FS=":" "${FILE}" > "${TMPFILE}"
{
read M_GRP_ID || m_fail 1 "Error: Read failed 1 (${FUNCNAME})"
read M_GRP_WAIT || m_fail 1 "Error: Read failed 2 (${FUNCNAME})"
}... (6 Replies)
Discussion started by: steadyonabix
6 Replies
LEARN ABOUT PHP
hash_file
HASH_FILE(3) 1 HASH_FILE(3)hash_file - Generate a hash value using the contents of a given fileSYNOPSIS
string hash_file (string $algo, string $filename, [bool $raw_output = false])
DESCRIPTION PARAMETERS
o $algo
- Name of selected hashing algorithm (i.e. "md5", "sha256", "haval160,4", etc..)
o $filename
- URL describing location of file to be hashed; Supports fopen wrappers.
o $raw_output
- When set to TRUE, outputs raw binary data. FALSE outputs lowercase hexits.
RETURN VALUES
Returns a string containing the calculated message digest as lowercase hexits unless $raw_output is set to true in which case the raw
binary representation of the message digest is returned.
EXAMPLES
Example #1
Using hash_file(3)
<?php
/* Create a file to calculate hash of */
file_put_contents('example.txt', 'The quick brown fox jumped over the lazy dog.');
echo hash_file('md5', 'example.txt');
?>
The above example will output:
5c6ffbdd40d9556b73a21e63c3e0e904
SEE ALSO hash(3), hash_hmac_file(3), hash_update_file(3), md5_file(3), sha1_file(3).
PHP Documentation Group HASH_FILE(3)