72 lines
1.5 KiB
C
72 lines
1.5 KiB
C
/* shar - make a shell archive Author: Michiel Husijes */
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#include <stdlib.h> /* for the nonstd :-( _PROTOTYPE */
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#include <stdio.h>
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static _PROTOTYPE( void error, (char *progname, char *operation,
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char *filename) );
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_PROTOTYPE( int main, (int argc, char **argv) );
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int main(argc, argv)
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int argc;
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char *argv[];
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{
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int argn;
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register int ch;
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register FILE *fp;
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int exitstatus;
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char *filename;
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exitstatus = 0;
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for (argn = 1; argn < argc; argn++) {
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filename = argv[argn];
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if ((fp = fopen(filename, "r")) == NULL) {
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error(argv[0], "opening ", filename);
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exitstatus = 1;
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} else {
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fputs("echo x - ", stdout);
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fputs(filename, stdout);
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fputs("\nsed '/^X/s///' > ", stdout);
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fputs(filename, stdout);
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fputs(" << '/'\n", stdout);
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while ((ch = getc(fp)) != EOF) {
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putchar('X');
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putchar(ch);
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while (ch != '\n') {
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ch = getc(fp);
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if (ch == EOF) break;
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putchar(ch);
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}
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if (ch == EOF) break;
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}
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fputs("/\n", stdout);
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if (ferror(fp)) {
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error(argv[0], "reading ", filename);
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exitstatus = 1;
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}
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if (fclose(fp) != 0) {
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error(argv[0], "closing ", filename);
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exitstatus = 1;
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}
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if (ferror(stdout)) break; /* lost already */
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}
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}
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fflush(stdout);
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if (ferror(stdout)) {
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error(argv[0], "writing ", "stdout");
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exitstatus = 1;
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}
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return(exitstatus);
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}
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static void error(progname, operation, filename)
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char *progname;
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char *operation;
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char *filename;
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{
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fputs(progname, stderr);
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fputs(": error ", stderr);
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fputs(operation, stderr);
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perror(filename);
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}
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