Cheatography
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Test options-b file | True if file is a Block special device | -c file | True if file is a Character special device | -d file | True if file is a Directory | -e file | True if file Exists | -g file | True if file has its set-group-id bit set | -G file | True if file is owned by the current effective group id | -k file | True if file has its "sticky" bit set | -L file | True if file is a symbolic Link | -O file | True if file is owned by the current effective user id | -p file | True if file is a named Pipe | -r file | True if file is readable | -S file | True if file is a Socket | -s file | True if file has a Size greater than zero | -t [FD] | True if FD is opened on a terminal. If FD is omitted, it defaults to 1 (standard output) | -u file | True if file has its set-user-id bit set | -w file | True if file is writable | -x file | True if file is executable | file1 -ef file2 | True if file1 and file2 have the same device and inode numbers, i.e., if they are hard links to each other |
| | File agefile1 -nt file2 | True if file1 is newer than file2 | file1 -ot file2 | True if file1 is older than file2 |
String tests-z String | True if the length of String is zero | -n String | True if the length of String is nonzero | String1 = String2 | True if the strings are equal | String1 != String2 | True if the strings are not equal |
Numeric testsARG1 -eq ARG2 | True if ARG1 is equal ARG2 | ARG1 -ne ARG2 | True if ARG1 is not-equal ARG2 | ARG1 -lt ARG2 | True if ARG1 is less-than ARG2 | ARG1 -le ARG2 | True if ARG1 is less-than-or-equal ARG2 | ARG1 -gt ARG2 | True if ARG1 is greater-than ARG2 | ARG1 -ge ARG2 | True if ARG1 is greater-than-or-equal ARG2 |
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