/bin/bash## Name: test-bucket-1## Purpose:# Performs the test-bucket number 1 for Product X.# (Actually, this is a sample shell script,# which invokes some system commands# to illustrate how to construct a Bash script)## Notes:# 1) The environment variable TEST_VAR must be set# (...
[root@localhost ~]#mypath="/etc/sysconfig/network-scripts/"#定义一个变量,等会切这个变量 [root@localhost ~]# echo ${mypath:5}#偏移5个字符显示 sysconfig/network-scripts/ [root@localhost ~]# echo ${mypath:10}#偏移10个字符显示 nfig/network-scripts/ [root@localhost ~]# echo ${mypath:5...
pdf文件使用zenity输入,并存储在ghostscript的数组中。pdf至。jpeg转换。 Problem 需要存储在带有转义空格的数组中的文件路径才能进入gs命令$i 在for循环内部的gs命令中,需要输出文件名的basefile名称 gs命令需要带转义空格的文件名。 无法运行gs命令。错误命令未在第20行找到。 Code: #get list of selected files ...
#!/usr/bin/env bash script_dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )" script_filename="$(basename "${BASH_SOURCE[0]}")" echo "this bash script's dir is ...: $script_dir" echo "this bash script's file name is..: $script_filename" Home Snippets...
在REDIRECTEE中,如果重定向类型是ri_duplicating_input或者ri_duplicating_output则使用整型成员dest(如果其值为负则表示错误的重定向),否则使用结构指针成员filename。 REDIRECT结构中的字符指针成员here_doc_eof,指定了重定向类型为Here Document(见这里)。
### Example script ### Filename: example-debug #!/usr/bin/env bash debug() { echo "Func BASH_SOURCE: ${!BASH_SOURCE[@]} ${BASH_SOURCE[@]}" echo "Func BASH_LINENO: ${!BASH_LINENO[@]} ${BASH_LINENO[@]}" echo "Func FUNCNAME: ${!FUNCNAME[@]} ${FUNCNAME[@]}" echo "Fu...
_CFLHDRS_ var/binds/fbindexample.prs "# Before regenerating the start script with \`setupTermuxArch re[fresh]\`, first copy this file to another name such as \`fbinds.prs\`. Then add as many proot statements as you want; The init script will parse file \`fbinds.prs\` at refresh...
# PID of last background task $$ # PID of shell $0 # Filename of the shell script $_ # Last argument of the previous command 检查命令返回值 if ping -c 1 google.com; then echo "It appears you have a working internet connection" fi 检查grep 的返回值 if grep -q 'foo' ~/.bash_...
Used to tell the operating system the path it should use to interpret the file. bash file.sh Used to execute the script in the terminal. ./file.sh Used to execute the script if it is executable. # Used to make comments in the script. && logical AND operator. | | logical OR operator...
filenames turns easy tasks into easily-done-wrong tasks. Afew small changes would make it much easier to write secure code for handling filenamesfor all languages including shell, but I think it's unlikely that the standards will change to forbid dangerous constructs. So if your script may...