[英]GNU readline History feature
我在shell中使用此代碼作為歷史記錄功能: http : //cc.byexamples.com/20080613/gnu-readline-how-to-keep-a-history-list-of-entered-command-lines/但是當我用gcc編譯它時,我收到了這個錯誤
$ gcc filename.c
/tmp/ccay2CgM.o: In function `main':
rl.c:(.text+0x9): undefined reference to `rl_abort'
rl.c:(.text+0x13): undefined reference to `rl_bind_key'
rl.c:(.text+0x1d): undefined reference to `readline'
rl.c:(.text+0x61): undefined reference to `add_history'
collect2: ld returned 1 exit status
$
示例編譯行是
g++ -o simple_rl{,.cpp} -lreadline
你忘記添加-lreadline了嗎?
編譯:
gcc -lreadline -lncurses -o simple_rl{,.cpp}
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