How do I tell if a regular file does not exist in Bash?

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深忆病人
深忆病人 2020-11-22 10:57

I\'ve used the following script to see if a file exists:

#!/bin/bash

FILE=$1     
if [ -f $FILE ]; then
   echo \"File $FILE exists.\"
else
   echo \"File $         


        
20条回答
  •  慢半拍i
    慢半拍i (楼主)
    2020-11-22 11:26

    The test command ([ here) has a "not" logical operator which is the exclamation point (similar to many other languages). Try this:

    if [ ! -f /tmp/foo.txt ]; then
        echo "File not found!"
    fi
    

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