bashif-f

2015年10月20日 — 文件表达式 -e filename 如果filename存在，则为真 -d filename 如果filename为目录，则为真 -f filename 如果filename为常规文件，则为真

2023年7月19日 — This uses the built-in test command to check if the file specified by TARGET_FILE exists. The -f flag checks if $TARGET_FILE is a regular file ...

2023年12月11日 — When checking if a file exists, the most commonly used FILE operators are -e and -f . The first one will check whether a file exists regardless ...

2023年4月15日 — The Solution. We can check whether a file exists using the test command-line utility: Click to Copy. if test -f /path/to/file; then echo File ...

2015年6月14日 — -f checks if the file exists and is a regular file. Share.

2012年4月18日 — Difference between 'if -e' and 'if -f' ... There are two switches for the if condition which check for a file: -e and -f . What is the difference ...

2014年7月25日 — I have an if statement in a bash file: if [ -f bin/post_compile ]; then echo -----> Running post-compile hook chmod +x bin/post_compile ...

#!/bin/bash echo This scripts checks the existence of the messages file. echo Checking... if [ -f /var/log/messages ] then echo /var/log/messages exists.

2018年7月4日 — In short, the piece of code will source /etc/bashrc file if it exists, and the existence is verified by [ command to which -f is an ...

The basic rules of bash conditions · You can invert a condition by putting an ! in front of it. Example: if [ ! -f regularfile ]; then · You can combine ...