Use of uninitialized value in concatenation (.) or string atã¨ã„ã†ã‚¨ãƒ©ãƒ¼ - rderaãƒã‚°1 #!/usr/bin/perl 2 3 use warnings; 4 use strict; 5 6 my $hello; 7 print "$hello\n"; ã“ã®ãƒ—ãƒã‚°ãƒ©ãƒ を実行ã™ã‚‹ã¨ã€ä»¥ä¸‹ã®ã‚ˆã†ãªã‚¨ãƒ©ãƒ¼ãƒ¡ãƒƒã‚»ãƒ¼ã‚¸ãŒå‡ºåŠ›ã•ã‚Œã¾ã™ã€‚ Use of uninitialized value in concatenation (.) or string at ./hello.pl line 7. å•é¡Œã¯å¤‰æ•°$helloã‚’åˆæœŸåŒ–ã™ã‚‹ã“ã¨ã‚‚ãªãã€ä½•ã®å€¤ã‚‚æ ¼ç´ã™ã‚‹ã“ã¨ã‚‚ãªãã€ä½¿ã£ã¦ã„ã‚‹ã‹ã‚‰ã§ã™ã€‚ よã£ã¦ã€ä»¥ä¸‹ã®ã‚ˆã†ã«ã™ã‚‹ã¨ã‚¨ãƒ©ãƒ¼ãƒ¡ãƒƒã‚»ãƒ¼ã‚¸ã¯å‡ºåŠ›ã•ã‚Œã¾ã›ã‚“。 1 #!/usr/bin/perl 2 3 use warnings; 4 use strict; 5 6 my $hello = ''; 7 print "$hello\n"; å‚考 Use of uninitialized value
ドスパラå³ç´ãƒ‘ソコン ãã®ï¼’ - ã¿ã‹ãƒã‚°
{{#tags}}- {{label}}
{{/tags}}