markdown bash基本脚本

Posted 2021-05-05

#!/bin/bash

echo "Going to blabla"
# Arg from cmd
echo Variable one $1

# -z check if $1 exist
if [ -z $1 ]
then
  echo Do zzz
else
  read something
  echo Do $something
fi

# Compare strings
str1="Hello Bash"
str2="Hello Bash"
 
if [ "$str1" == "$str2" ]; then
    echo "Strings are equal"
else
    echo "Strings are not equal"
fi

```sh
# Test file exist (use -d to test directory)
if [ ! -f /tmp/foo.txt ]; then
    echo "File not found!"
fi

# God damn one liner
if [ -f foo.txt ]; then echo hello; fi
```