{"id":377,"date":"2026-06-30T15:42:21","date_gmt":"2026-06-30T12:42:21","guid":{"rendered":"https:\/\/blog.twis7.com\/?page_id=377"},"modified":"2026-10-31T16:23:36","modified_gmt":"2026-10-31T14:23:36","slug":"bash","status":"publish","type":"page","link":"https:\/\/blog.twis7.com\/index.php\/cheat-sheets\/bash\/","title":{"rendered":"Bash"},"content":{"rendered":"\n
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  1. How Bash resolves commands<\/a><\/li>\n\n\n\n
  2. Text Processing \/ Text Transformation<\/a>
    2.1     grep command<\/em> | Searching in files<\/a>
    2.2     tr command<\/em> | Replace characters <\/a>
    2.3     awk command<\/em> | columns, fields, logs, CSV-like data<\/a>
    2.4     sed<\/a> | Search and replace inside files
    2.5     find<\/a> | Search for files and directories<\/li>\n\n\n\n
  3. Simple Bash script<\/a><\/li>\n\n\n\n
  4. Basic variables<\/a><\/li>\n\n\n\n
  5. Exit codes<\/a><\/li>\n\n\n\n
  6. Arguments<\/a><\/li>\n\n\n\n
  7. User input<\/a><\/li>\n\n\n\n
  8. Functions<\/a><\/li>\n\n\n\n
  9. If\/else conditions<\/a><\/li>\n\n\n\n
  10. Case statements<\/a><\/li>\n\n\n\n
  11. Loops<\/a>
    11.1     For Loop<\/a>
    11.2     While loop<\/a><\/li>\n\n\n\n
  12. Arrays<\/a>
    12.1     Indexed Arrays<\/a>
    12.2     Associative Arrays<\/a><\/li>\n\n\n\n
  13. IFS – Internal Field Separator<\/a><\/li>\n\n\n\n
  14. Command Substitution<\/a> result=$(command)<\/li>\n\n\n\n
  15. Sourcing Code<\/a> \/.script.sh<\/em> vs source scripts.sh<\/em><\/li>\n\n\n\n
  16. Arithmetic expressions<\/a><\/li>\n\n\n\n
  17. Logical operators<\/a><\/li>\n\n\n\n
  18. Process Substitution | Work in progress, should practice it more!<\/em><\/li>\n<\/ol>\n\n\n\n

    Tools<\/h3>\n\n\n\n