<div id="msgcns!C221DC4886BEFA68!729" class="bvMsg"><ul> <li>指令1 ; 指令2 照順序執行 <li><a href="https://e3oggg.bay.livefilestore.com/y1m87UdlPuCPegPjHCk0AsBvzgsLp3r_gdPWHFJBaciZJuFA9cUefeh27CFfUNEczmqkBEG74RJ3k85hTB3kNRKj8EHs7mP7-h0qlBVpj8-SPzF6T27MJvAOehceuxHrs7smWW2fx7Gw70/image4.png" rel="WLPP"><img title="image" style="border-top-width:0px;display:inline;border-left-width:0px;border-bottom-width:0px;border-right-width:0px" height="128" alt="image" src="https://pimg.1px.tw/pentiumto/7cd3f4207606e4a393f74b922a86d21a.png" width="405" border="0" /></a> <li><strong><font color="#ff0000">( 指令1 ; 指令2) > /tmp/1.txt</font></strong> 執行比較若沒有群組，則前一指令不會輸入到文字檔，可以將二個指令以( )改為輸出群組則二個指令的結果都會同時輸出 <li><a href="https://e3oggg.bay.livefilestore.com/y1mLpcK6bQKbkN9IoWWXyEqJhJ-v7Ng36Mrmg_zP3LqY1uDMP2GAApR-1XrUKiKTaMSiSc1EiOAJt5VsUZVrdZcx0eZwYKl7e7-FQ3BsnC55xb0WBF6CeqA9KQ0jw_Nwn1ySEf1qL5oxiE/image9.png" rel="WLPP"><img title="image" style="border-top-width:0px;display:inline;border-left-width:0px;border-bottom-width:0px;border-right-width:0px" height="158" alt="image" src="https://pimg.1px.tw/pentiumto/004a0e2f5ad63bba54842fbe2449f58d.png" width="414" border="0" /></a> <li>. <li><strong><font color="#ff0000">指令1 && 指令2</font></strong> 指令1成功才會執行指令2 <li><strong><font color="#ff0000">指令1 || 指令2</font></strong> 指令1失敗時才執行指令2 <li>例：cd /tmp/abc || mkdir /tmp/abc && cd /tmp/abc <li><a href="https://e3oggg.bay.livefilestore.com/y1m6O_JA3JeuZSdXQbCSD9PAmnncZGdjwScKbeXSOAzL7GiRutWZcGtECmQyU4cECMyayx0p89-18LKbk8dku9qdv7bvREVe0nL7USoMec9UjhjIEni32o43a0khGhdDkE2eb0N0febtmg/image15.png" rel="WLPP"><img title="image" style="border-top-width:0px;display:inline;border-left-width:0px;border-bottom-width:0px;border-right-width:0px" height="104" alt="image" src="https://pimg.1px.tw/pentiumto/6b757c94611dadc279d395cdf1ae5de6.png" width="443" border="0" /></a> </li></li></li></li></li></ul></div>
程式開發 (4)
