$ chmod +x parse-command-line-args.sh $ ./parse-command-line-args.sh -a Processing option 'a' $ ./parse-command-line-args.sh -c test-value Processing option 'c' with 'test-value' argument $ ./parse-command-line-args.sh -ab Processing option 'a' Processing option 'b'Copy 2.3. ...
g_default="default_g_value" h_default="default_h_value" i_default="default_i_value" j_default="default_j_value" k_default="default_k_value" l_default="default_l_value" Parse command-line arguments while getopts ":ud🅰️b:c:d:e:f:g:h:i:j:k:l:" opt; do case $opt in u...
Bash scripts take in command-line arguments as inputs bothsequentiallyand also, parsed asoptions. The command-line utilities use these arguments to conditionally trigger functions in a Bash script or selectively choose between environments to execute the script. In Bash, these are configured in diffe...
Parse Command Line Arguments in Bash, One of the common tasks while developing a script is to parse command-line options. These options can be short or long. In this tutorial, we’ll use bash ‘s getopts function and the getopt utility for parsing the command-line options. 2. Parsing Sho...
echo "The non option arguments are:" $@ fi EOF chmod +x /tmp/demo-equals-separated.sh /tmp/demo-equals-separated.sh -e=log -s=/var/log pos3 pos4 其中${i#*=}用于删除参数$i从左边开始匹配的第一个=及其左边的所有字符。 复制粘贴上述代码块的输出: ...
unless the entire command is enclosed in single quotes. For instance, when I run a command, the output shows that there is no shell to parse the command line arguments to the remote command's parent process. Despite this, double quoting or escaping is necessary, which may not seem apparent...
参考资料: https://stackoverflow.com/questions/192249/how-do-i-parse-command-line-arguments-in-bash https://stackoverflow.com/questions/16483119/an-example-of-how-to-use-getopts-in-bash https://www.computerhope.com/unix/bash/shift.htm
# Example input andoutput(from the bash prompt):#./parse.bash-a par1'another arg'--c-long'wow!*\?'-cmore-b" very long "# Option a # Option c,no argument # Option c,argument`more' # Option b, argument`very long ' # Remaining arguments:#-->`par1' ...
echo -e \\n"Number of arguments: $NUMARGS" if [ $NUMARGS -eq 0 ]; then HELP fi ### Start getopts code ### #Parse command line flags #如果选项需要后跟参数,在选项后面加":" #注意"-h"选项后面没有":",因为他不需要参数。选项字符串最开始的":"是用来去掉来自getopts本身的报错的,同时获...
echo -e \\n"Number of arguments: $NUMARGS" if [ $NUMARGS -eq 0 ]; then HELP fi ### Start getopts code ### #Parse command line flags #如果选项需要后跟参数,在选项后面加":" #注意"-h"选项后面没有":",因为他不需要参数。选项字符串最开始的":"是用来去掉来自getopts本身的报错的,同时获...