#Check the number of arguments. If none are passed, print help and exit. NUMARGS=$# echo -e \\n"Number of arguments: $NUMARGS" if [ $NUMARGS -eq 0 ]; then HELP fi ### Start getopts code ### #Parse command line flags #如果选项需要后跟参数,在选项后面加":" #注意"-h"选项后面...
shift;;esac done set--"${POSITIONAL_ARGS[@]}"# 将数组里的参数设置为当前 shell 的位置参数 echo"FILE EXTENSION = ${EXTENSION}"echo"SEARCH PATH = ${SEARCHPATH}"echo"DEFAULT = ${DEFAULT}"echo"Number files in SEARCH PATH with EXTENSION:"$(ls-1"${SEARCHPATH}"/*."${EXTENSION}" | wc ...
echo ${args[0]} ${args[1]} ${args[2]} ' -> args=("$@"); echo ${args[0]} ${args[1]} ${args[2]}' #use $@ to print out all arguments at once echo $@ ' -> echo $@' # use $# variable to print out # number of arguments passed to the bash script echo Number of...
read monthname case $monthname in ## convert $monthname to number [Jj][Aa][Nn]*) month=1 ;; [Ff][Ee][Bb]*) month=2 ;; ## ...put the rest of the year here [Dd][Ee][Cc]*) month=12 ;; [1-9]|1[0-2]) month=$monthname ;; ## accept number if entered *) echo "Inva...
我的任务是确保视频游戏客户端和一个游戏服务器通信。很幸运有这样的机会写一些Java Socket代码，我对...
elif [[ "$ARGS" = *.tar.gz* ]] then printf "\\nSetting mode to copy system image.\\n" LCC="1" LCP="0" _ARG2DIR_ "$@" _INTRO_ "$@" ## [axd|axs] Get device system information with `axel`. elif [[ "${1//-}" = [Aa][Xx][Dd]* ]] || [[ "${1//...
摘要:function containsElement() { local n=$# # number of arguments local value=${!n} # last of arguments echo "${@:2}" echo "${@:0}" echo number of argumen 阅读全文 posted @ 2022-08-15 16:12 ascertain 阅读(32) 评论(0) 推荐(0) BASH: RHEL系pathmunge函数 摘要:pathmunge函数...
echo “Number of args. ( # ) are ” $# On execution it gives the following results ./test.sh aa bb cc dd Number of args. ( # ) are 4 $? bash Parameter Returns the exit status of last executed process. $? parameter returns 0 for success and non zero for error conditions. ...
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# line number.echo"Example of error with line number and message" error_exit"$LINENO: An error has occurred."在bash脚本中有更好的错误处理例程吗?相关讨论 请参阅这个详细的答案:在bash脚本中引发错误。 请参阅以下日志记录和错误处理实现:github.com/codeforester/base/blob/master/lib/stdlib.sh使用...