prompt(1)
This commit is contained in:
parent
06dfa3de17
commit
70b0b72b16
@ -1,10 +1,13 @@
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TARGETS = echo
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TARGETS = echo prompt
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all: $(TARGETS)
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all: $(TARGETS)
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%: %.c
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echo: echo.c
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$(CC) -o $@ $@.c
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$(CC) -o $@ $@.c
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prompt: echo.c
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$(CC) -DPROMPT -o $@ echo.c
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clean:
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clean:
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rm -f $(TARGETS)
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rm -f $(TARGETS)
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15
echo/echo.c
15
echo/echo.c
@ -8,13 +8,18 @@ int main(int argc, char **argv){
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if(*argv == NULL)
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if(*argv == NULL)
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goto blank;
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goto blank;
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while(*++argv != NULL){
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++argv;
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for(i = 0; argv[0][i] != '\0'; ++i);
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write(1, *argv, i);
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if(*(argv+1) != NULL)
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while(--argc){
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for(i = 0; argv[0][i] != '\0'; ++i);
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write(1, *(argv++), i);
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if(argc > 1)
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write(1, " ", 1);
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write(1, " ", 1);
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}
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}
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blank: write(1, "\n", 1);
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blank:
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#ifndef PROMPT
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write(1, "\n", 1);
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#endif
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return EX_OK;
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return EX_OK;
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}
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}
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