$ sh stdin.sh
端末
$ sh stdin.sh < /dev/null
リダイレクト
stdin:
$ cat /dev/null | sh stdin.sh
名前付きパイプ
stdin:$ echo 'hoge' | sh stdin.sh
名前付きパイプ
stdin: hoge
$ cat hoge.txt
hoge
$ sh stdin.sh < hoge.txt
リダイレクト
stdin: hoge
Last active
August 29, 2015 14:06
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ShellScript で標準入力を処理したいとき (間違っている可能性大)
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| #! /bin/sh | |
| if [ -t 0 ]; then | |
| echo '端末' | |
| else | |
| if [ -p /dev/stdin ]; then | |
| echo '名前付きパイプ' | |
| else | |
| echo 'リダイレクト' | |
| fi | |
| STDIN=$(cat -) | |
| echo "stdin: $STDIN" | |
| fi |
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