FreeBSD 2.0 äëÿ "÷àéíèêîâ" - ñòð 54
Èíòåpïpåòàòîp êîìàíä "shell" èìååò âñòðîåííóþ óòèëèòó "echo", êîòîðàÿ èìå-
åò ñèíòàêñè÷åñêèå ðàçëè÷èÿ ñ äàííîé êîìàíäîé "echo". Ñëåäóåò çíàòü, ÷òî ïîëü-
çîâàòåëÿì, ðàáîòàþùèì ñ "shell", áóäåò äîñòóïíà âñòðîåííàÿ êîìàíäà "echo", åñ-
ëè îíè íå óêàæóò "/bin/echo".
ÏÐÈÌÅÐÛ:
=======
(Íèæå è äàëåå ñèìâîë "$" áóäåò îáîçíà÷àòü ñòàíäàpòíîå ïpèãëàøåíèå ñèñòåìû
äëÿ ââîäà êîìàíä).
1. Âûâîä ñîîáùåíèÿ "Error reading sector" íà ýêpàí:
--------------------------------¬
¦ $ echo "Error reading sector" ¦
+-------------------------------+
¦ Error reading sector ¦
¦ $ ¦
L--------------------------------
2. Âûâîä ñîîáùåíèÿ áåç çàâåpøàþùåãî ñèìâîëà íîâîé ñòpîêè:
-----------------------------------¬
¦ $ echo -n "Error reading sector" ¦
+----------------------------------+
¦ Error reading sector$ ¦
L-----------------------------------
3. Âûâîä ñîîáùåíèÿ â ôàéë "file1":
----------------------------------------¬
¦ $ echo "Error reading sector" > file1 ¦
L----------------------------------------
4. Äîáàâëåíèå ñîîáùåíèÿ ê ñîäåpæèìîìó ôàéëà "file1":
-----------------------------------------¬
¦ $ echo "Error reading sector" >> file1 ¦
L-----------------------------------------
5. Âûâîä èìåí ôàéëîâ òåêóùåãî êàòàëîãà â àëôàâèòíîì ïîpÿäêå:
-----------¬
¦ $ echo * ¦