Copied from man ps: -u userlist Select by effective user ID (EUID) or name. This selects the processes whose effective user name or ID is in userlist. The effective user ID describes the user whose file access permissions are used by the process (see geteuid(2)). Identical to U and –user. Meaning: it prints all the … Read more
Your script has a number of problems. Here is the minimal list of fixes to get it working: While is not a bash control statement, it’s while. Case is important. Whitespace is important: if [“$CHECKMOUNT”= “true”] doesn’t work and should cause error messages. You need spaces around the brackets and around the =, like so: … Read more
To get the date-string in bash: echo “Current: ” $(date +”%Y”-“%m”-“%d”T”%H”-“%M”-“%S”) echo “+2 min : ” $(date –date=”@$(($(date +%s)+120))” +”%Y”-“%m”-“%d”T”%H”-“%M”-“%S”) prints Current: 2014-09-10T15-58-15 +2 min : 2014-09-10T16-00-15 Read the time from string and print +2min string str=”2014-09-10T15-58-15″ new=$(date –date=”@$(($( IFS=”-T” read y m d H M S <<< “$str”;date –date=”$y-$m-${d}T$H:$M:$S” +%s )+120))” +”%Y”-“%m”-“%d”T”%H”-“%M”-“%S”) echo “From … Read more
You can try this: Get-WmiObject -Class win32_Logicaldisk -ComputerName localhost | where {($_.DriveType -eq 3 -or $_.DriveType -eq 2) -and $_.FileSystem -ne $null } | Select -Property @{Name=”Volume”;Expression = {$_.DeviceID -replace “:”,””}}, @{Name=”Free”;Expression = { “{0:N0}%” -f (($_.FreeSpace/$_.Size) * 100) } } solved power shell script to get drive space ( percentage used and free ) … Read more
env sets one or more environment variables and then runs the remaining arguments as a command. It’s not significantly different from the following syntax: x='() { :;}; echo vulnerable’ bash -c “echo this is a test” One thing env can do (although the feature is not used in the above example) is create a clean … Read more
You could simply do this through awk, $ awk -F[,-] ‘{var=$1″-“$2; for (i=3;i<=NF;i++){print var”-“$i}}’ file 86-22-63385835 86-22-63385836 86-22-63385933 86-0577-88609993 86-0577-88835386 86-21-58947602 86-21-58947603 0086-755-33186858 0086-755-33186862 0086-755-33186859 2 solved How to process this text [closed]
this can be accomplished in a single awk call. associate numbers with champions in an array and use it for replacing numbers in second file. awk ‘BEGIN{FS=OFS=”,”} NR==FNR{a[$1]=$2;next} {$1=a[$1];$2=a[$2]} 1’ champions.csv top.csv Olaf,Annie,3 Galio,Annie,5 Twisted Fate,Annie,6 Xin Zhao,Annie,1 Urgot,Annie,10 LeBlanc,Annie,9 Vladimir,Annie,11 Kayle,Twisted Fate,12 LeBlanc,Xin Zhao,2 Galio,Galio,6 in case there should be some numbers in top.csv … Read more
But never populate input values directly into a shell command. Use the function escapeshellarg(): $key = escapeshellarg($_POST[‘key’]); 5 solved How to use exec shell with PHP and MySQL?
grep -oP ‘^server\s\K[^ ]+|^[^#]\s+\d+:\K[^:]+’ inputfile pool0 server1 server2 pool1 server3 server4 4 solved Extract specific string between two strings and list the required content
I’m not giving you a working solution but just a hint: The JPEG format consists of different parts, some are required and some are optional. Among those optional parts, some allow to store arbitrary data. If you manage to alter such a part of an existing JPEG image or to add one and put your … Read more
Write a script which for any name given as an argument prints the list of paths to home directories of people with the name solved Write a script which for any name given as an argument prints the list of paths to home directories of people with the name
Try this awk: awk -F'”‘ ‘NR%2{p1=$4;next} {print p1 “https://stackoverflow.com/” $4}’ Test: $ awk -F'”‘ ‘NR%2{p1=$4;next} {print p1 “https://stackoverflow.com/” $4}’ file abc/123abc bac/bac123 cde/cd123 b4u/b4u234 2 solved grep values and re-arranging the file
Mysql won’t understand if ..else shell syntax and so you will need to execute mysql within each if, else block with -e for execution e.g: … elseif [ “$(date +%m)” -eq 2 ] then mysql –login-path=local -e “use testdb;select COUNT(id) from xxx where app_id =’ABC’ and date(creation_date) between ‘$(date +%F -d “tomorrow -28 days”)’ and … Read more
sure – try grep grep -F -f phrases.txt doc.txt phrases.txt in excess of in order to in order for doc.txt use grep -f in order to match this line this line won’t be matched you can use grep -o to only print the matched phrase – not the entire line: $ grep -o -F -f … Read more
Here is an easy-to-read solution with Bash and grep: #!/bin/bash while read line ; do if FILE=$(grep -P -o ‘[a-z]*\.txt(?= – Starting)’ <<< “$line”); then F=”$FILE” fi if ! grep ‘\*\*\*\*’ <<< “$line” ; then echo “$line” >> “$F” fi done It gives the following result $ cat file.txt ****************** abc.txt – Starting point ******************** … Read more