Add all files

4 files changed, 78 insertions, 19 deletions

diff --git a/extract-data-from-abs-guide/files/compound.txt b/extract-data-from-abs-guide/files/compound.txt
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/extract-data-from-abs-guide/files/compound.txt
diff --git a/extract-data-from-abs-guide/files/eq.txt b/extract-data-from-abs-guide/files/eq.txt
index 9db0882..139b267 100644
--- a/extract-data-from-abs-guide/files/eq.txt
+++ b/extract-data-from-abs-guide/files/eq.txt
@@ -47,22 +47,3 @@
           is greater than or equal to (within double parentheses)
 
           (("$a" >= "$b"))
-
-   string comparison
-
-   =
-          is equal to
-
-          if [ "$a" = "$b" ]
-
-          Caution
-
-   Note the whitespace framing the =.
-   if [ "$a"="$b" ] is not equivalent to the above.
-
-   ==
-          is equal to
-
-          if [ "$a" == "$b" ]
-
-          This is a synonym for =.
diff --git a/extract-data-from-abs-guide/files/file.txt b/extract-data-from-abs-guide/files/file.txt
new file mode 100644
index 0000000..591ae4f
--- /dev/null
+++ b/extract-data-from-abs-guide/files/file.txt
@@ -0,0 +1,51 @@
+# TEMPLATE: if [ {} "$f" ]
+   -h
+          file is a symbolic link
+
+   -L
+          file is a symbolic link
+
+   -S
+          file is a socket
+
+   -t
+          file (descriptor) is associated with a terminal device
+
+   -r
+          file has read permission (for the user running the test)
+
+   -w
+          file has write permission (for the user running the test)
+
+   -x
+          file has execute permission (for the user running the test)
+
+   -g
+          set-group-id (sgid) flag set on file or directory
+
+   -u
+          set-user-id (suid) flag set on file
+
+   -k
+          sticky bit set
+
+   -O
+          you are owner of file
+
+   -G
+          group-id of file same as yours
+
+   -N
+          file modified since it was last read
+
+   f1 -nt f2
+          file f1 is newer than f2
+
+   f1 -ot f2
+          file f1 is older than f2
+
+   f1 -ef f2
+          files f1 and f2 are hard links to the same file
+
+   !
+          "not" -- reverses the sense of the tests above (returns true if condition absent).
diff --git a/extract-data-from-abs-guide/files/string.txt b/extract-data-from-abs-guide/files/string.txt
new file mode 100644
index 0000000..9ba104f
--- /dev/null
+++ b/extract-data-from-abs-guide/files/string.txt
@@ -0,0 +1,27 @@
+   =
+          is equal to
+
+          if [ "$a" = "$b" ]
+
+   ==
+          is equal to
+
+          if [ "$a" == "$b" ]
+
+  !=
+          is not equal to
+
+          if [ "$a" != "$b" ]
+
+   <
+          is less than, in ASCII alphabetical order
+
+          if [[ "$a" < "$b" ]]; if [ "$a" \< "$b" ]
+
+   >
+          is greater than, in ASCII alphabetical order
+
+          if [[ "$a" > "$b" ]]; if [ "$a" \> "$b" ]
+
+   -z
+          string is null, that is, has zero length