Linux Move files from base path to multiple paths in a loop
This looks like it could be achievable without scripting. Have a look at rsync. rsync -r /Path/AdminUser/* /NewPath/
linux
create a file with prefix =file1 followed by the random number
You want to test the existence with -f and then create a file. But what happens, if between test and creation another task creates the file? mktemp can resolve this problem: filename=$( mktemp ./file1-XXXXXXXXXX ) || exit 1 In this case, an empty file is created (like using touch). The XXXXXXXXXX part is replaced by … Read more
Connection refused – tcp socket in linux [closed]
listenfd = lacz_tcp(wiadomosc->port); From what I can tell, the port has not been initialized before you call bind. Log the port to be sure that the server is listening on the correct port.
some problems about c++ try catch [closed]
Exceptions are brutal break of the normal flow of execution. The error correcting flow is to find a catch that correspond to the object thrown; this may lead to several function calls reverse traversal. This is why it needs care to use them, you have two flow of execution : the normal one, and the … Read more
C – list all files in current directory then move in directory above, list files, and so on until root directory is reached [closed]
Your cwd[1] != 0 or cwd[1] != ‘\0′ is an okay way to do it. There’s no need to cast that to an int. You could also use strcmp(cwd, “https://stackoverflow.com/”), which makes it slightly more clear what you are doing. This will be zero at the root directory on a UNIX or Linux system. For … Read more
sh: 1: Syntax error: "(" unexpected error
<(command) is a bashism called Process substitution You have to run your script with bash, eg do bash script.bash Or if you want to use sh, you could write the results to a file, like this : grep eth0 /proc/net/dev > file1 sleep 1 ; grep eth0 /proc/net/dev > file2 diff file1 file2
What is the command used to the below question? [closed]
Like this? awk -F, ‘$2<2000{print $1″, “$3}’ sasi Ravi, little stone Sushanth, Menlo park Rocky, columbus Define comma , as the field separator, check that field 2 is numerically smaller than 2000, print the 1st and 3rd field if it is.
What’s the difference between 'gcc -g' and 'gcc -g3'?
According with the documentation: -glevel Request debugging information and also use level to specify how much information. The default level is 2. Where level 3 means: Level 3 includes extra information, such as all the macro definitions present in the program. Some debuggers support macro expansion when you use -g3.
file validation in linux scripting
If you want to do it in pure bash, use the following script: #!/bin/bash while read line; do line=( ${line//[:]/ } ) for i in “${!line[@]}”; do [ ! -z “${line[$i]##*[!0-9]*}” ] && printf “integer” || printf “string” [ “$i” -ne $(( ${#line[@]} – 1)) ] && printf “:” || echo done done < $1 … Read more
what the output of this code and why?
it is very unlikely that the child pid would be such a low number as 190, although it is possible. It is virtually impossible that the parent pid would be 9 and the child pid would be 10 because the boot of the system would be generating larger pid values than that.