Created
February 15, 2019 16:24
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checks how input is redirected into shell script
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| #!/bin/sh | |
| if file "$(readlink /proc/$$/fd/0)" | grep -q "character special"; then | |
| echo "Standard input:" | |
| elif readlink /proc/$$/fd/0 | grep -q "^pipe:"; then | |
| echo "Pipe input:" | |
| else | |
| echo "File input:" | |
| fi |
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