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  1. #!/bin/bash
  2. now=$(date +%Y-%m-%d)
  3. file2=hello
  4. file3=${file2}_$now
  5. echo "$file3"
Success #stdin #stdout 0s 5032KB
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Standard input is empty
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hello_2015-02-04
https://ideone.com/qlMfRQ
language:
Bash (bash 5.0.3)
created:
11 years ago
visibility:
public

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