WebNov 15, 2016 · until [ -f /tmp/examplefile.txt ] do sleep 5 done echo "File found" exit Info: Use -d instead of -f to check for directories, or -e to check for files or directories.. Every 5 seconds it will wake up and look for the file. When the file appears, it will drop out of the loop, tell you it found the file and exit (not required, but tidy.) WebAug 22, 2024 · Csh check if directory exists? A NFS file system is mounted on a local directory. Just because the directory exists does not mean that the file system is …
shell script - Checking for the existence of multiple …
WebAug 21, 2014 · Stack Exchange Network. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for … WebDec 4, 2007 · Csh to check for existence of file Hi, I would like to check the existence of files (doesn;t matter the number of files) in a directory. My file is named in the following manner (always ending with " myfile "). Can anybody give me some guidance? EG: abc1_ myfile sdfr_ myfile sffgd_ myfile and so on ...... My intention is to perform the following: special rate wda
How do I check if a variable exists in an
WebAug 12, 2024 · find . -name "runme" > find_runme.txt # Just below line used to remove the file name i.e runme here from "find path", and returns only directory path. set a = `cat find_runme.txt sed 's/\ (.*\/\).*/\1/g'` if (-z find_runme.txt) then cd . else cd $a endif if (-f runme ) then # cd `dirname $ (find . -iname 'runme')` chmod +x runme setenv PATH … WebJun 26, 2015 · For ksh, zsh and bash, a potentially better approach could be: if ( ($ {#var [@]})); then echo '$var (or the variable it references for namerefs) or any of its elements for array/hashes has been set' fi For ksh93, zsh and bash 4.4 or above, there's also: if typeset -p var 2> /dev/null grep -q '^'; then echo '$var exists' fi WebJan 18, 2024 · Find out if directory /var/logs exist or not Type the following commands: $ [ -d /var/logs ] && echo "Directory exist" echo "Directory does not exist" $ [ -d /dumper/fack ] && echo "Directory exist" echo "Directory does not exist" [ [ example $ [ [ -d /var/logs ]] && echo "Directory exist" echo "Directory does not exist" special rate table 0763