<\/div>\n
Ba\u015fka bir deyi\u015fle, -n se\u00e7ene\u011fi, noexec\u00a0i\u00e7in shot (y\u00fcr\u00fctme yok gibi) diyebiliriz, Shell’e\u00a0komutlar\u0131 \u00e7al\u0131\u015ft\u0131rmamas\u0131n\u0131 s\u00f6yler.\u00a0Bunun yerine, kabuk yaln\u0131zca s\u00f6zdizimi hatalar\u0131n\u0131 kontrol eder.<\/p>\n
A\u015fa\u011f\u0131daki i\u00e7eri\u011fe sahip bir komut dosyas\u0131 olu\u015ftural\u0131m,<\/p>\n
$ vi debug_quotes.sh\r\n#!\/bin\/bash\r\necho \"USER=$USER\"\r\necho \"Today's Date: $(date)\r\necho \"SHELL=$SHELL\"\r\n\r\n<\/pre>\ndosyay\u0131 kaydedip kapat\u0131n.<\/p>\n
\u015eimdi beti\u011fi -n se\u00e7ene\u011fiyle \u00e7al\u0131\u015ft\u0131rmay\u0131 deneyin,<\/p>\n
$ bash -n debug_quotes.sh\r\ndebug_quotes.sh: line 4: unexpected EOF while looking for matching `\"'\r\ndebug_quotes.sh: line 5: syntax error: unexpected end of file\r\n\r\n\r\n<\/pre>\nYukar\u0131daki \u00e7\u0131kt\u0131, s\u00f6zdizimi hatas\u0131 oldu\u011funu, \u00e7ift t\u0131rnak ‘\u201d’ eksik oldu\u011funu g\u00f6steriyor.\u00a0Bunu d\u00fczeltmek i\u00e7in, bug\u00fcn\u00fcn tarihini g\u00f6steren sat\u0131r\u0131n sonuna \u00e7ift t\u0131rnak i\u015fareti koyun.<\/p>\n
<\/span>![\"\"](\"https:\/\/sunucucozumleri.com\/wp-content\/uploads\/2022\/10\/Linuxta-Bash-Shell-Komut-Dosyasinda-Hata-Ayiklama.webp\" "\\"\\"")
\r\n\r\n<\/pre>\n<\/span>Kabuk Komut Dosyas\u0131n\u0131 Ayr\u0131nt\u0131l\u0131 Modda \u00c7al\u0131\u015ft\u0131rma<\/span><\/h2>\nBash komutundaki -v se\u00e7ene\u011fi\u00a0, kabuk beti\u011fine\u00a0ayr\u0131nt\u0131l\u0131 modda\u00a0\u00e7al\u0131\u015fmas\u0131n\u0131 s\u00f6yler .\u00a0Pratikte bu, kabu\u011fun komutu \u00e7al\u0131\u015ft\u0131rmadan \u00f6nce her komutu tekrarlayaca\u011f\u0131 anlam\u0131na gelir.\u00a0Bu, \u00e7o\u011fu zaman hatalar\u0131 bulmaya yard\u0131mc\u0131 olabilece\u011fi i\u00e7in \u00e7ok kullan\u0131\u015fl\u0131d\u0131r.<\/p>\n
A\u015fa\u011f\u0131daki i\u00e7eri\u011fe sahip\u00a0\u201clistusers.sh\u201d\u00a0ad\u0131nda bir kabuk beti\u011fi yapal\u0131m ,<\/p>\n
$ vi listusers.sh#!\/bin\/bash\r\ncut -d : -f1,5,7 \/etc\/passwd | grep -v sbin | grep sh | sort > \/tmp\/users.txt\r\nawk -F':' ' { printf ( \"%-12s %-40s\\n\", $1, $2 ) } ' \/tmp\/users.txt\r\n\r\n#Clean up the temporary file.\r\n\/bin\/rm -f \/tmp\/users.txt\r\n\r\n<\/pre>\nKomut dosyas\u0131n\u0131 -v se\u00e7ene\u011fiyle y\u00fcr\u00fct\u00fcn,<\/p>\n
bash -v listusers.sh<\/pre>\n\u00e7\u0131kt\u0131,<\/p>\n
![\"\"](\"https:\/\/sunucucozumleri.com\/wp-content\/uploads\/2022\/10\/Linuxta-Bash-Shell-Komut-Dosyasinda-Hata-Ayiklama2.webp\" "\\"\\"")
\r\n\r\n<\/pre>\nYukar\u0131daki \u00e7\u0131kt\u0131da, komut dosyas\u0131 \u00e7\u0131kt\u0131s\u0131, komut dosyalar\u0131n\u0131n komutlar\u0131yla kar\u0131\u015ft\u0131r\u0131l\u0131r.\u00a0Ancak\u00a0-v se\u00e7ene\u011fiyle\u00a0, en az\u0131ndan beti\u011finizi \u00e7al\u0131\u015ft\u0131r\u0131rken kabu\u011fun ne yapt\u0131\u011f\u0131na dair daha iyi bir g\u00f6r\u00fc\u015f elde edersiniz.<\/p>\n
<\/span>Komut Dosyas\u0131n\u0131 -n ve -v se\u00e7ene\u011fiyle \u00e7al\u0131\u015ft\u0131rma<\/span><\/h3>\nKomut sat\u0131r\u0131 se\u00e7eneklerini ( -n & -v ) birle\u015ftirebiliriz.\u00a0Bu, komut dosyas\u0131 \u00e7\u0131kt\u0131s\u0131n\u0131 g\u00f6r\u00fcnt\u00fclerken bir komut dosyas\u0131n\u0131n s\u00f6zdizimini kontrol edebildi\u011fimiz i\u00e7in iyi bir kombinasyon olu\u015fturur.<\/p>\n
Daha \u00f6nce kullan\u0131lan\u00a0\u201cdebug_quotes.sh\u201d beti\u011fini ele alal\u0131m.<\/p>\n
$ bash -nv debug_quotes.sh\r\n#!\/bin\/bash\r\necho \"USER=$USER\"\r\necho \"Today's Date: $(date)\r\necho \"SHELL=$SHELL\"\r\ndebug_quotes.sh: line 4: unexpected EOF while looking for matching `\"'\r\ndebug_quotes.sh: line 5: syntax error: unexpected end of file\r\n\r\n\r\n<\/pre>\n<\/span>Kabuk Komut Dosyas\u0131nda Sat\u0131r Sat\u0131r Hata Ay\u0131klama<\/span><\/h2>\nxtrace\u00a0veya\u00a0y\u00fcr\u00fctme izlemesinin\u00a0k\u0131saltmas\u0131 olan\u00a0-x se\u00e7ene\u011fi\u00a0,\u00a0kabuk de\u011fi\u015ftirme ad\u0131mlar\u0131n\u0131 ger\u00e7ekle\u015ftirdikten sonra her komutu yank\u0131lamas\u0131n\u0131 s\u00f6yler.\u00a0B\u00f6ylece de\u011fi\u015fkenlerin ve komutlar\u0131n de\u011ferlerini g\u00f6rebiliriz.\u00a0\u00c7o\u011fu zaman, bu se\u00e7enek tek ba\u015f\u0131na bir sorunu te\u015fhis etmeye yard\u0131mc\u0131 olur.<\/p>\n
\u00c7o\u011fu durumda, -x se\u00e7ene\u011fi bir komut dosyas\u0131 hakk\u0131nda en yararl\u0131 bilgileri sa\u011flar, ancak \u00e7ok fazla \u00e7\u0131kt\u0131ya yol a\u00e7abilir.\u00a0A\u015fa\u011f\u0131daki \u00f6rnek, bu se\u00e7ene\u011fi \u00e7al\u0131\u015f\u0131rken g\u00f6stermektedir.<\/p>\n
<\/p>\n
$ bash -x listusers.sh\r\n+ sort\r\n+ grep sh\r\n+ grep -v sbin\r\n+ cut -d : -f1,5,7 \/etc\/passwd\r\n+ awk -F: ' { printf ( \"%-12s %-40s\\n\", $1, $2 ) } ' \/tmp\/users.txt\r\nlinuxtechi linuxtechi,,,\r\nroot root\r\n+ \/bin\/rm -f \/tmp\/users.txt\r\n<\/pre>\nG\u00f6rd\u00fc\u011f\u00fcm\u00fcz gibi, kabuk her komutun \u00f6n\u00fcne bir + i\u015fareti eklemi\u015ftir.<\/p>\n
Hepsi bu g\u00f6nderiden.\u00a0Bilgilendirici ve faydal\u0131 buldum.\u00a0L\u00fctfen sorular\u0131n\u0131z\u0131 ve g\u00f6r\u00fc\u015flerinizi a\u015fa\u011f\u0131daki yorumlar b\u00f6l\u00fcm\u00fcne g\u00f6ndermekten \u00e7ekinmeyin.<\/p>\n","protected":false},"excerpt":{"rendered":"
Programlama dillerinin \u00e7o\u011funda, hata ay\u0131klama i\u00e7in hata\u00a0ay\u0131klay\u0131c\u0131 arac\u0131\u00a0mevcuttur.\u00a0Hata ay\u0131klay\u0131c\u0131, bir program\u0131 veya komut dosyas\u0131n\u0131 \u00e7al\u0131\u015ft\u0131rabilen ve komut dosyas\u0131n\u0131n veya program\u0131n i\u00e7indekileri \u00e7al\u0131\u015f\u0131rken incelemenizi sa\u011flayan bir ara\u00e7t\u0131r. Bu yaz\u0131da, linux’ta bir bash kabuk beti\u011finde sat\u0131r sat\u0131r hata ay\u0131klamay\u0131 \u00f6\u011frenece\u011fiz.\u00a0Kabuk beti\u011finde herhangi bir hata ay\u0131klay\u0131c\u0131 arac\u0131m\u0131z yoktur, ancak\u00a0-n, -v\u00a0ve\u00a0-x\u00a0 gibi bash komut sat\u0131r\u0131 se\u00e7eneklerinin yard\u0131m\u0131yla\u00a0hata ay\u0131klamay\u0131 yapabiliriz. …<\/p>\n","protected":false},"author":1,"featured_media":1972,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[5],"tags":[],"class_list":["post-1970","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-linux"],"acf":[],"_links":{"self":[{"href":"https:\/\/sunucucozumleri.com\/blog\/wp-json\/wp\/v2\/posts\/1970","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sunucucozumleri.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sunucucozumleri.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sunucucozumleri.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sunucucozumleri.com\/blog\/wp-json\/wp\/v2\/comments?post=1970"}],"version-history":[{"count":0,"href":"https:\/\/sunucucozumleri.com\/blog\/wp-json\/wp\/v2\/posts\/1970\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sunucucozumleri.com\/blog\/wp-json\/wp\/v2\/media\/1972"}],"wp:attachment":[{"href":"https:\/\/sunucucozumleri.com\/blog\/wp-json\/wp\/v2\/media?parent=1970"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sunucucozumleri.com\/blog\/wp-json\/wp\/v2\/categories?post=1970"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sunucucozumleri.com\/blog\/wp-json\/wp\/v2\/tags?post=1970"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}