#!/bin/bash -e info "Installing Dependencies" declare -a PIDS=() # "Deploying into the VMs" for i in $(seq 1 $NODES_NUM); do THIS_VM_NAME="${VM_NAME}${i}" # "Check if the VM exists" if `az vm list -o table 浏览1提问于2018-12-19得票数 0 回答已采纳 2回答 ...
-f file True if file exists and is a regular file. So: if [ -f someFileName ]; then echo 'Found some!'; fi Edit: I see you already got the answer, but for completeness, you can use the info in Checking from shell script if a directory contains files - and lose the dotglob...
command if it exists. You do not get an error message if any of these files cannot be found. You can use these profile files to customize your session with sh. For example, your profile files can set options, create aliases, or define functions and variables. If there is at least one...
Use filewordas standard output. If the file exists, output is appended to it by first seeking to the EOF. Otherwise, the file is created. <>word Open filewordfor reading and writing as standard input. <<[-]word After parameter and command substitution is done onword, the shell input is...
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command -v "$@" >/dev/null 2>&1 } user_can_sudo() { # Check if sudo is installed command_exists sudo || return 1 # The following command has 3 parts: # # 1. Run `sudo` with `-v`. Does the following: # • with privilege: asks for a password immediately. #...
An application can useQzshCheckShellCommand()to verify thatcommandexists and the user has authority tocommandbefore running it. Parameters *command(Input) Pointer to null-terminated string that contains the shell command to find. Note that the command cannot contain the parameters of it. For examp...
Processing pipelines for the HCP. Contribute to Washington-University/HCPpipelines development by creating an account on GitHub.
if exists_but_not_writable "${HOMEBREW_CACHE}"; then execute_sudo "/bin/chmod" "g+rwx" "${HOMEBREW_CACHE}" fi if file_not_owned "${HOMEBREW_CACHE}"; then execute_sudo "$CHOWN" "$USER" "${HOMEBREW_CACHE}" fi if file_not_grpowned "${HOMEBREW_CACHE}"; then ...
Check if node_modules directory exists. After a fresh clone, there will very likely be no node_modules (since these are .gitignore'd). Solution run npm install (or yarn) to ensure all deps are downloaded. Alternative Solution If node_modules exists, remove it with rm -rf node_modul...