Hello,
I am attempting to remove all the ^M characters in a file in VI.
The command I am using is
:1,$s/^V^M//g
but it doesn't work, saying 'substitute pattern match failed'.
Any ideas why?
Jules (2 Replies)
While writing a shell script i happen to store some value in a string. Lets say the value is 59788.
Now in this script i want to get the value 9788 removing the first charater 5. The original string length usually remains constant.
Is there a single line command to do this or any simple way to... (4 Replies)
I'm appending header and trailer record for a binary file using
echo "$header" > filename
cat oldfilename >> filename
echo "$trailer" >> filename
The echo is introducing newline character after header and trailer.Please let me know is there any possibility to get rid of newline character. (2 Replies)
Hi,
I am having a pipe (|) delimited file which is having ^Z character in the middle of the text.Could anyone please suggest me how to remove this ^Z Character from the file.I almost used all the ideas posted in this site but none of them worked in my case since tis ^Z character is not coming at... (4 Replies)
Hi ,
I have a file with the following contents in file test1.txt .
AMY_MTT_240Y001,N60_PG2_10G001,A2H_P3H_10G002,7C7_7D7_NP1,A2E_PV0_10G002,L78_PG1_64S001,A2H_P2M_NP2,LDN_YSN_64S001,WV6_WYV_64... (5 Replies)
I need to remove square brackets from output of script.
Output is:
and I need to remove the square brackets so I am lett with
121 Is sed the only means to do this and if so what are the options?
...ok so far I have managed to get rid of ] by using /usr/bin/sed 's/]//' but that... (5 Replies)
I need help removing the last character of every line if it is a certain character. For example I need to get rid of a % character if it is in the last position.
Input:
aaa%
%bbb
ccc
d%dd%
Output should be:
aaa
%bbb
ccc
d%dd
I tried this but it gets rid of all of the % characters.... (5 Replies)
Hi,
I have a file that has data something like below:
A
B
C
D
.....
......
.....and so on
I am trying to bring it in one line with comma delimited something like below :
A,B,C,D
I tried the something below in the code section:
cat File.txt | tr '\n' ',' (1 Reply)
Dear ALL,
How to remove junk charecter ^M from unix file i am using sun solaris unix.
I already tried few commands
:%s/^M//g
:%s/r//g
but it didnt helped me.
Any help appriciated.
Thanks
Ripudaman
Please view this code tag video for how to use code tags when posting code... (5 Replies)
I've got a file where each line is separated by ^M characters. I want to be able to cat the file without those lines. When I cat the file now what I see are blank lines. However, the blank lines are actually ^M characters; when I open the file with vi they show up.
X38888
No
No
No... (7 Replies)
Discussion started by: newbie2010
7 Replies
LEARN ABOUT PHP
is_writable
IS_WRITABLE(3) 1 IS_WRITABLE(3)is_writable - Tells whether the filename is writableSYNOPSIS
bool is_writable (string $filename)
DESCRIPTION
Returns TRUE if the $filename exists and is writable. The filename argument may be a directory name allowing you to check if a directory
is writable.
Keep in mind that PHP may be accessing the file as the user id that the web server runs as (often 'nobody'). Safe mode limitations are not
taken into account.
PARAMETERS
o $filename
- The filename being checked.
RETURN VALUES
Returns TRUE if the $filename exists and is writable.
EXAMPLES
Example #1
is_writable(3) example
<?php
$filename = 'test.txt';
if (is_writable($filename)) {
echo 'The file is writable';
} else {
echo 'The file is not writable';
}
?>
ERRORS /EXCEPTIONS
Upon failure, an E_WARNING is emitted.
NOTES
Note
The results of this function are cached. See clearstatcache(3) for more details.
Tip
As of PHP 5.0.0, this function can also be used with some URL wrappers. Refer to "Supported Protocols and Wrappers" to determine
which wrappers support stat(3) family of functionality.
SEE ALSO is_readable(3), file_exists(3), fwrite(3).
PHP Documentation Group IS_WRITABLE(3)