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Is there a Unix utility to prepend timestamps to stdin?
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How about this?
cat somefile.txt | perl -pne 'print scalar(localtime()), " ";'
Judging from your desire to get live timestamps, maybe you want to do live updating on a log file or something? Maybe
tail -f /path/to/log | perl -pne 'print scalar(localt...
Correct Bash and shell script variable capitalization
..., and so I feel like everybody is always saying LOCATION=cat /tmp/location.txt
– JasonSmith
Mar 23 '09 at 16:38
@jhs -...
How to open a local disk file with JavaScript?
...t can be a security vulnerability. (To see this for yourself, create a bad.txt containing something like <img src="/nonexistent" onerror="alert(1);"> and see that the alert gets executed—it could be more malicious code.)
– ShreevatsaR
Jun 23 '17 at 18:2...
Linux command (like cat) to read a specified quantity of characters
...ber of characters from the specific line and location, e.g.:
head -5 tst.txt | tail -1 |cut -c 5-8
gives the chars in line 5 and chars 5 to 8 of line 5,
Note: tail -1 is used to select the last line displayed by the head.
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PHP code to convert a MySQL query to CSV [closed]
... SELECT ... INTO OUTFILE syntax.
SELECT a,b,a+b INTO OUTFILE '/tmp/result.txt'
FIELDS TERMINATED BY ',' OPTIONALLY ENCLOSED BY '"'
LINES TERMINATED BY '\n'
FROM test_table;
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Paste in insert mode?
...al copy/paste. standards.freedesktop.org/clipboards-spec/clipboards-latest.txt
– amc
Feb 21 '13 at 6:42
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How to add lines to end of file on Linux
...an you "sed" command as follow: ---------- sed -i "$ a some text" somefile.txt --------- -i: edit files in place, $ find end of file, a: append
– Lunf
Jun 21 '17 at 7:14
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Check if a string has white space
...c.
function checkNumeric() {
var numericVal = document.getElementById("txt_numeric").value;
if(isNaN(numericVal) || numericVal == "" || numericVal == null || numericVal.indexOf(' ') >= 0) {
alert("Please, enter a numeric value!");
isValid = false;
} else {
isV...
How can I detect if the user is on localhost in PHP?
...list = false;
$isipallowed = false;
$filename = "resolved-ip-list.txt";
$filename = substr(md5($filename), 0, 8)."_".$filename; // Just a spoon of security or just remove this line
if (file_exists($filename))
{
// If cache file has less than 1 day old use it
if ...
How do you mock out the file system in C# for unit testing?
... bool Exists(String filePath)
{ return (filePath == @"C:\myfilerocks.txt"); }
}
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