Using the operator in an if statement

Question

I have three variables   VAR1  file1  VAR2  file2  VAR3  file3    How to use and   amp  amp   operator in if statement like this   if   -f  VAR1  amp  amp  -f  VAR2  amp  amp  -f  VAR3      then     fi   When I write this code it gives error  What is the right way

User · Accepted Answer

So to make your expression work  changing  amp  amp  for -a will do the trick   It is correct like this    if   -f  VAR1    amp  amp    -f  VAR2    amp  amp    -f  VAR3    then         or like   if    -f  VAR1  amp  amp  -f  VAR2  amp  amp  -f  VAR3     then         or even   if   -f  VAR1 -a -f  VAR2 -a -f  VAR3    then         You can find further details in this question bash   Multiple Unary operators in if statement and some references given there like What is the difference between test    and

[bash] Using the && operator in an if statement

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