directory="./BashScripting" # bash check if directory exists if [ -d $directory ]; then echo "Directory exists" else echo "Directory does not exists" fi 1. 2. 3. 4. 5. 6. 7. 8. 9. 9.2. Nested if/else #!/bin/bash # Declare variable choice and assign value 4 choice=4 # Pr...
#文件测试操作-d FILE_NAM # TrueifFILE_NAM is a directory-e FILE_NAM # TrueifFILE_NAM exists-f FILE_NAM # TrueifFILE_NAM existsandis a regular file-r FILE_NAM # TrueifFILE_NAM is readable-s FILE_NAM # TrueifFILE_NAM existsandisnotempty...
Write a Bash script that defines functions for basic file operations like creating a file, deleting a file, and checking if a file exists. Pass file names as arguments to these functions. Code: #!/bin/bash # Function to create a directory create_directory() { local dirname="$1" mkdir -...
printf "unable to create directory %s\n" "$dir" >&2 exit 1 } ls *.pc 2>/dev/null || exit 1 ## check .pc file exists or exit file7="${1##*/}" ## trim path from file.7 name pc_script -f "$file7" -flags1 -other_flags ## first run ## check result.h5 exists and ...
How can I check if a directory exists in a bash script? Use the if [ -d "dir" ]; then command to check if a directory named "dir" exists. How do I write scripts to run in the current directory? Use ./script.sh to run a script named "script.sh" in the current directory. The...
执行命令区域，否则 不进入循环，介绍while 命令 行3，执行命令区域，这些命令中，Bash，Unix shell的...
if [ ! -z err−o!−eapk ]; then 会报出-e无法找到的错误; 而if [ ! -z err]||[!−eapk ]; then 没问题; 整数比较 : -eq 等于,如:if [ "a"−eq"b" ] -ne 不等于,如:if [ "a"−ne"b" ] -gt 大于,如:if [ "a"−gt"b" ] ...
Copy and paste the following script:#!/bin/bash MyFile=cars.txt if [ -f "$MyFile" ]; then echo "$MyFile exists." else echo "$MyFile does not exist." fiRunning the script results in the following output:22. Check Inodes and Disk UsageInodes represent data units on a physical or...
Write a Bash script that checks if a directory named "workarea" exists and creates it if it doesn't. Code: #!/bin/bash# Check if the directory "workarea" existsif[!-d"workarea"];then# If the directory doesn't exist, create itmkdirworkareaecho"Directory 'workarea' created successfully."...
Check if the directory still exists The -d operator allows you to test if a file is a directory. For example, to check if the /etc/filetocheck directory exists, you can use: NOTE: You can also use double brackets [[ instead of [ single brackets. ...