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42 lines
605 B
C
42 lines
605 B
C
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#include <u.h>
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#include <libc.h>
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void
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main(int argc, char *argv[])
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{
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char *pr;
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int n, dflag;
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dflag = 0;
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if(argc>1 && strcmp(argv[1], "-d") == 0){
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--argc;
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++argv;
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dflag = 1;
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}
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if(argc < 2 || argc > 3){
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fprint(2, "usage: basename [-d] string [suffix]\n");
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exits("usage");
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}
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pr = utfrrune(argv[1], '/');
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if(dflag){
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if(pr){
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*pr = 0;
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print("%s\n", argv[1]);
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exits(0);
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}
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print(".\n");
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exits(0);
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}
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if(pr)
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pr++;
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else
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pr = argv[1];
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if(argc==3){
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n = strlen(pr)-strlen(argv[2]);
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if(n >= 0 && !strcmp(pr+n, argv[2]))
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pr[n] = 0;
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}
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print("%s\n", pr);
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exits(0);
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}
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