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abdennour/read-pipe-stdin

Created October 4, 2019 07:58
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Bash script reads from pipe, stdin < or first argument
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read-pipe-stdin
#!/bin/bash
# Available SYNTAX:
# --- $0 /path/file
# --- $0 < /path/file
# --- echo "my content" | $0
# either comes from first argument or from /dev/stdin.
content_to_replace="${1:-/dev/stdin}"
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